./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_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_f69522df-39fe-4d6e-a65d-e9f75aa009d5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/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 cc1563f4697cf21aca476a1aac04fcd8ee81163f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:59:23,156 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:59:23,158 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:59:23,166 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:59:23,166 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:59:23,167 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:59:23,168 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:59:23,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:59:23,170 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:59:23,171 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:59:23,172 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:59:23,172 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:59:23,172 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:59:23,173 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:59:23,174 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:59:23,175 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:59:23,176 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:59:23,177 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:59:23,179 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:59:23,180 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:59:23,181 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:59:23,181 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:59:23,183 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:59:23,184 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:59:23,184 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:59:23,184 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:59:23,185 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:59:23,186 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:59:23,187 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:59:23,187 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:59:23,188 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:59:23,188 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:59:23,188 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:59:23,188 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:59:23,189 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:59:23,189 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:59:23,190 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:59:23,200 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:59:23,200 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:59:23,201 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:59:23,201 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:59:23,201 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:59:23,202 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:59:23,202 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:59:23,202 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:59:23,202 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:59:23,202 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:59:23,202 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:59:23,202 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:59:23,202 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:59:23,202 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:59:23,203 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:59:23,203 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:59:23,203 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:59:23,203 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:59:23,203 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:59:23,203 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:59:23,203 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:59:23,203 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:59:23,204 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:59:23,204 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:59:23,204 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:59:23,204 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:59:23,204 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:59:23,204 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:59:23,204 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:59:23,204 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_f69522df-39fe-4d6e-a65d-e9f75aa009d5/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 -> cc1563f4697cf21aca476a1aac04fcd8ee81163f [2018-11-18 18:59:23,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:59:23,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:59:23,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:59:23,243 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:59:23,244 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:59:23,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-18 18:59:23,290 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/bin-2019/ukojak/data/9c06c8066/dc3936ac0b2f46269b0192a1472622cb/FLAG42b8eced2 [2018-11-18 18:59:23,805 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:59:23,815 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/sv-benchmarks/c/eca-rers2012/Problem01_label30_true-unreach-call_false-termination.c [2018-11-18 18:59:23,839 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/bin-2019/ukojak/data/9c06c8066/dc3936ac0b2f46269b0192a1472622cb/FLAG42b8eced2 [2018-11-18 18:59:24,085 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/bin-2019/ukojak/data/9c06c8066/dc3936ac0b2f46269b0192a1472622cb [2018-11-18 18:59:24,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:59:24,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:59:24,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:59:24,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:59:24,098 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:59:24,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:59:24" (1/1) ... [2018-11-18 18:59:24,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161947f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24, skipping insertion in model container [2018-11-18 18:59:24,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:59:24" (1/1) ... [2018-11-18 18:59:24,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:59:24,172 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:59:24,711 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:59:24,716 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:59:24,851 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:59:24,868 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:59:24,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24 WrapperNode [2018-11-18 18:59:24,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:59:24,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:59:24,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:59:24,869 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:59:24,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24" (1/1) ... [2018-11-18 18:59:25,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24" (1/1) ... [2018-11-18 18:59:25,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:59:25,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:59:25,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:59:25,111 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:59:25,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24" (1/1) ... [2018-11-18 18:59:25,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24" (1/1) ... [2018-11-18 18:59:25,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24" (1/1) ... [2018-11-18 18:59:25,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24" (1/1) ... [2018-11-18 18:59:25,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24" (1/1) ... [2018-11-18 18:59:25,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24" (1/1) ... [2018-11-18 18:59:25,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24" (1/1) ... [2018-11-18 18:59:25,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:59:25,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:59:25,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:59:25,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:59:25,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/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 18:59:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 18:59:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:59:25,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:59:29,922 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:59:29,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:59:29 BoogieIcfgContainer [2018-11-18 18:59:29,923 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:59:29,923 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:59:29,924 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:59:29,935 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:59:29,935 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:59:29" (1/1) ... [2018-11-18 18:59:29,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:59:29,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:29,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 18:59:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 18:59:29,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 18:59:29,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:30,420 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 18:59:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:31,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 147 states and 233 transitions. [2018-11-18 18:59:31,259 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 233 transitions. [2018-11-18 18:59:31,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 18:59:31,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:31,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:32,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:32,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 218 states and 307 transitions. [2018-11-18 18:59:32,092 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 307 transitions. [2018-11-18 18:59:32,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 18:59:32,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:32,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:32,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 289 states and 382 transitions. [2018-11-18 18:59:32,936 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 382 transitions. [2018-11-18 18:59:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 18:59:32,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:33,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:33,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 305 states and 402 transitions. [2018-11-18 18:59:33,184 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 402 transitions. [2018-11-18 18:59:33,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 18:59:33,195 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:33,231 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 18:59:33,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:33,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 306 states and 404 transitions. [2018-11-18 18:59:33,603 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 404 transitions. [2018-11-18 18:59:33,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 18:59:33,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:33,735 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:34,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:34,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 327 states and 430 transitions. [2018-11-18 18:59:34,097 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 430 transitions. [2018-11-18 18:59:34,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 18:59:34,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 18:59:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:34,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 328 states and 432 transitions. [2018-11-18 18:59:34,307 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 432 transitions. [2018-11-18 18:59:34,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 18:59:34,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 18:59:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 329 states and 434 transitions. [2018-11-18 18:59:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 434 transitions. [2018-11-18 18:59:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-18 18:59:34,536 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 18:59:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 334 states and 440 transitions. [2018-11-18 18:59:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 440 transitions. [2018-11-18 18:59:34,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 18:59:34,691 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 348 states and 454 transitions. [2018-11-18 18:59:34,988 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 454 transitions. [2018-11-18 18:59:34,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 18:59:34,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:35,079 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 18:59:35,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:35,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 364 states and 476 transitions. [2018-11-18 18:59:35,971 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 476 transitions. [2018-11-18 18:59:35,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 18:59:35,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 18:59:36,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:36,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 383 states and 495 transitions. [2018-11-18 18:59:36,156 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 495 transitions. [2018-11-18 18:59:36,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 18:59:36,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:36,176 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 18:59:36,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:36,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 397 states and 511 transitions. [2018-11-18 18:59:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 511 transitions. [2018-11-18 18:59:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 18:59:36,350 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:37,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:37,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 438 states and 560 transitions. [2018-11-18 18:59:37,018 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 560 transitions. [2018-11-18 18:59:37,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 18:59:37,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:37,135 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 18:59:37,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:37,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 448 states and 575 transitions. [2018-11-18 18:59:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 575 transitions. [2018-11-18 18:59:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 18:59:37,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:37,439 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 18:59:37,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:37,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 453 states and 580 transitions. [2018-11-18 18:59:37,473 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 580 transitions. [2018-11-18 18:59:37,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 18:59:37,474 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:37,624 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 18:59:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 468 states and 600 transitions. [2018-11-18 18:59:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 600 transitions. [2018-11-18 18:59:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 18:59:38,112 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:38,166 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 18:59:38,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 472 states and 604 transitions. [2018-11-18 18:59:38,934 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 604 transitions. [2018-11-18 18:59:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 18:59:38,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 18:59:40,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:40,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 478 states and 611 transitions. [2018-11-18 18:59:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 611 transitions. [2018-11-18 18:59:40,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 18:59:40,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 18:59:40,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 493 states and 629 transitions. [2018-11-18 18:59:40,991 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 629 transitions. [2018-11-18 18:59:40,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 18:59:40,992 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 18:59:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 497 states and 635 transitions. [2018-11-18 18:59:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 635 transitions. [2018-11-18 18:59:41,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 18:59:41,548 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:41,581 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 18:59:41,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 508 states and 646 transitions. [2018-11-18 18:59:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 646 transitions. [2018-11-18 18:59:41,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 18:59:41,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:41,855 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 18:59:42,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:42,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 530 states and 668 transitions. [2018-11-18 18:59:42,100 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 668 transitions. [2018-11-18 18:59:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 18:59:42,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 18:59:44,356 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 15 [2018-11-18 18:59:45,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:45,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 544 states and 685 transitions. [2018-11-18 18:59:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 685 transitions. [2018-11-18 18:59:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 18:59:45,600 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:45,628 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 18:59:46,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 547 states and 689 transitions. [2018-11-18 18:59:46,716 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 689 transitions. [2018-11-18 18:59:46,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 18:59:46,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 18:59:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:47,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 572 states and 718 transitions. [2018-11-18 18:59:47,330 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 718 transitions. [2018-11-18 18:59:47,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 18:59:47,330 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 18:59:48,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:48,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 586 states and 733 transitions. [2018-11-18 18:59:48,050 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 733 transitions. [2018-11-18 18:59:48,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 18:59:48,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:48,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 18:59:48,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:48,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 593 states and 741 transitions. [2018-11-18 18:59:48,537 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 741 transitions. [2018-11-18 18:59:48,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 18:59:48,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 18:59:48,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:48,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 596 states and 745 transitions. [2018-11-18 18:59:48,815 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 745 transitions. [2018-11-18 18:59:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 18:59:48,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:48,866 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 18:59:49,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 608 states and 760 transitions. [2018-11-18 18:59:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 760 transitions. [2018-11-18 18:59:49,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 18:59:49,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 18:59:49,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:49,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 609 states and 760 transitions. [2018-11-18 18:59:49,197 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 760 transitions. [2018-11-18 18:59:49,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 18:59:49,198 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:51,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 674 states and 829 transitions. [2018-11-18 18:59:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 829 transitions. [2018-11-18 18:59:51,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 18:59:51,110 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:51,500 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 18:59:52,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:52,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 720 states and 893 transitions. [2018-11-18 18:59:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 893 transitions. [2018-11-18 18:59:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 18:59:52,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 18:59:53,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:53,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 741 states and 916 transitions. [2018-11-18 18:59:53,462 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 916 transitions. [2018-11-18 18:59:53,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 18:59:53,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 18:59:54,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:54,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 753 states and 929 transitions. [2018-11-18 18:59:54,028 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 929 transitions. [2018-11-18 18:59:54,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 18:59:54,029 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:54,123 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 18:59:54,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:54,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 754 states and 929 transitions. [2018-11-18 18:59:54,264 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 929 transitions. [2018-11-18 18:59:54,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 18:59:54,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:54,319 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 18:59:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 756 states and 937 transitions. [2018-11-18 18:59:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 937 transitions. [2018-11-18 18:59:54,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 18:59:54,444 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:54,464 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 18:59:54,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:54,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 763 states and 944 transitions. [2018-11-18 18:59:54,493 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 944 transitions. [2018-11-18 18:59:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 18:59:54,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 18:59:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 770 states and 953 transitions. [2018-11-18 18:59:54,612 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 953 transitions. [2018-11-18 18:59:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 18:59:54,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 18:59:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:55,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 785 states and 970 transitions. [2018-11-18 18:59:55,026 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 970 transitions. [2018-11-18 18:59:55,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 18:59:55,027 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 18:59:55,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 787 states and 971 transitions. [2018-11-18 18:59:55,173 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 971 transitions. [2018-11-18 18:59:55,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 18:59:55,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 788 states and 980 transitions. [2018-11-18 18:59:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 980 transitions. [2018-11-18 18:59:56,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 18:59:56,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:57,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:57,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 857 states and 1052 transitions. [2018-11-18 18:59:57,279 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1052 transitions. [2018-11-18 18:59:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 18:59:57,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:57,318 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 18:59:57,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 858 states and 1052 transitions. [2018-11-18 18:59:57,348 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1052 transitions. [2018-11-18 18:59:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 18:59:57,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:58,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 885 states and 1079 transitions. [2018-11-18 18:59:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1079 transitions. [2018-11-18 18:59:58,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 18:59:58,314 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:58,381 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:58,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 888 states and 1082 transitions. [2018-11-18 18:59:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1082 transitions. [2018-11-18 18:59:58,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 18:59:58,726 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:59,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:59,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 909 states and 1102 transitions. [2018-11-18 18:59:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1102 transitions. [2018-11-18 18:59:59,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 18:59:59,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:59,586 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 18:59:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:59,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 915 states and 1108 transitions. [2018-11-18 18:59:59,692 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1108 transitions. [2018-11-18 18:59:59,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 18:59:59,693 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:59,925 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 104 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 19:00:00,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:00,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 927 states and 1124 transitions. [2018-11-18 19:00:00,617 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1124 transitions. [2018-11-18 19:00:00,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 19:00:00,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 19:00:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:00,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 930 states and 1127 transitions. [2018-11-18 19:00:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1127 transitions. [2018-11-18 19:00:00,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 19:00:00,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 19:00:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 932 states and 1129 transitions. [2018-11-18 19:00:00,884 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1129 transitions. [2018-11-18 19:00:00,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 19:00:00,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:01,043 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 19:00:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:01,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 933 states and 1131 transitions. [2018-11-18 19:00:01,344 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1131 transitions. [2018-11-18 19:00:01,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 19:00:01,345 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:01,390 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 19:00:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:01,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 956 states and 1154 transitions. [2018-11-18 19:00:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1154 transitions. [2018-11-18 19:00:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-11-18 19:00:01,510 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 27 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 19:00:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:02,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 967 states and 1168 transitions. [2018-11-18 19:00:02,670 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1168 transitions. [2018-11-18 19:00:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 19:00:02,672 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 19:00:03,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 988 states and 1194 transitions. [2018-11-18 19:00:03,423 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1194 transitions. [2018-11-18 19:00:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 19:00:03,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 19:00:04,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:04,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1013 states and 1224 transitions. [2018-11-18 19:00:04,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1224 transitions. [2018-11-18 19:00:04,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-18 19:00:04,109 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 110 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 19:00:05,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 1032 states and 1246 transitions. [2018-11-18 19:00:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1246 transitions. [2018-11-18 19:00:05,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 19:00:05,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:05,075 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 19:00:05,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:05,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1035 states and 1253 transitions. [2018-11-18 19:00:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1253 transitions. [2018-11-18 19:00:05,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 19:00:05,463 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:05,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:05,503 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 19:00:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1095 states and 1327 transitions. [2018-11-18 19:00:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1327 transitions. [2018-11-18 19:00:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 19:00:07,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:07,292 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 19:00:07,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1098 states and 1330 transitions. [2018-11-18 19:00:07,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1330 transitions. [2018-11-18 19:00:07,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 19:00:07,504 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:07,568 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 19:00:08,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:08,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1119 states and 1351 transitions. [2018-11-18 19:00:08,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1351 transitions. [2018-11-18 19:00:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 19:00:08,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:08,153 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 19:00:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:08,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1120 states and 1351 transitions. [2018-11-18 19:00:08,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1351 transitions. [2018-11-18 19:00:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 19:00:08,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:08,582 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 127 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 19:00:09,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:09,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1197 states and 1440 transitions. [2018-11-18 19:00:09,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1440 transitions. [2018-11-18 19:00:09,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 19:00:09,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 19:00:10,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:10,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1202 states and 1445 transitions. [2018-11-18 19:00:10,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 1445 transitions. [2018-11-18 19:00:10,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-11-18 19:00:10,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:10,325 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 19:00:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1206 states and 1452 transitions. [2018-11-18 19:00:10,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1452 transitions. [2018-11-18 19:00:10,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 19:00:10,713 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:11,465 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 150 proven. 30 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 19:00:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1253 states and 1508 transitions. [2018-11-18 19:00:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1508 transitions. [2018-11-18 19:00:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 19:00:13,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 150 proven. 30 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 19:00:16,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:16,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1295 states and 1560 transitions. [2018-11-18 19:00:16,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1560 transitions. [2018-11-18 19:00:16,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 19:00:16,248 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 150 proven. 30 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 19:00:17,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1322 states and 1588 transitions. [2018-11-18 19:00:17,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1588 transitions. [2018-11-18 19:00:17,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 19:00:17,166 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:17,256 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 19:00:17,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:17,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1369 states and 1637 transitions. [2018-11-18 19:00:17,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 1637 transitions. [2018-11-18 19:00:17,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 19:00:17,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:17,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:17,951 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 19:00:18,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1370 states and 1637 transitions. [2018-11-18 19:00:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 1637 transitions. [2018-11-18 19:00:18,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 19:00:18,202 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 19:00:19,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1391 states and 1663 transitions. [2018-11-18 19:00:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1663 transitions. [2018-11-18 19:00:19,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-18 19:00:19,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 19:00:20,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:20,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1416 states and 1688 transitions. [2018-11-18 19:00:20,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1688 transitions. [2018-11-18 19:00:20,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 19:00:20,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:20,304 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 19:00:22,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:22,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1434 states and 1710 transitions. [2018-11-18 19:00:22,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1710 transitions. [2018-11-18 19:00:22,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-18 19:00:22,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:23,182 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-18 19:00:24,683 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2018-11-18 19:00:27,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:27,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1482 states and 1760 transitions. [2018-11-18 19:00:27,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1760 transitions. [2018-11-18 19:00:27,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 19:00:27,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:27,780 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 167 proven. 74 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 19:00:28,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:28,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1490 states and 1778 transitions. [2018-11-18 19:00:28,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1778 transitions. [2018-11-18 19:00:28,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 19:00:28,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:29,820 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 19:00:31,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1538 states and 1832 transitions. [2018-11-18 19:00:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 1832 transitions. [2018-11-18 19:00:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-11-18 19:00:31,989 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 19:00:32,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:32,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1540 states and 1833 transitions. [2018-11-18 19:00:32,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1833 transitions. [2018-11-18 19:00:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 19:00:32,388 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 19:00:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:32,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1543 states and 1836 transitions. [2018-11-18 19:00:32,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 1836 transitions. [2018-11-18 19:00:32,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 19:00:32,738 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:32,851 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-11-18 19:00:33,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:33,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1564 states and 1856 transitions. [2018-11-18 19:00:33,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1856 transitions. [2018-11-18 19:00:33,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-18 19:00:33,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 19:00:34,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1581 states and 1882 transitions. [2018-11-18 19:00:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1882 transitions. [2018-11-18 19:00:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-18 19:00:34,297 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:34,472 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 167 proven. 5 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-18 19:00:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:34,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1582 states and 1882 transitions. [2018-11-18 19:00:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 1882 transitions. [2018-11-18 19:00:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-11-18 19:00:34,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:36,043 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 19:00:39,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:39,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1642 states and 1942 transitions. [2018-11-18 19:00:39,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1942 transitions. [2018-11-18 19:00:39,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 19:00:39,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-18 19:00:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:40,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2026 states to 1718 states and 2026 transitions. [2018-11-18 19:00:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2026 transitions. [2018-11-18 19:00:40,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-18 19:00:40,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:40,559 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 179 proven. 5 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-18 19:00:41,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:41,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 1749 states and 2063 transitions. [2018-11-18 19:00:41,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2063 transitions. [2018-11-18 19:00:41,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-11-18 19:00:41,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-11-18 19:00:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1820 states and 2137 transitions. [2018-11-18 19:00:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 2137 transitions. [2018-11-18 19:00:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 19:00:42,425 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 19:00:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 19:00:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 292 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-11-18 19:00:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 19:00:42,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 1752 states and 2068 transitions. [2018-11-18 19:00:42,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2068 transitions. [2018-11-18 19:00:42,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 19:00:42,789 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 87 iterations. [2018-11-18 19:00:42,796 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 19:00:44,810 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 14 [2018-11-18 19:00:45,460 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 14 [2018-11-18 19:00:46,581 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 53 [2018-11-18 19:00:47,145 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 19:00:47,147 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-18 19:00:47,153 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-18 19:00:47,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 07:00:47 ImpRootNode [2018-11-18 19:00:47,153 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 19:00:47,154 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 19:00:47,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 19:00:47,154 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 19:00:47,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:59:29" (3/4) ... [2018-11-18 19:00:47,157 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 19:00:47,172 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 19:00:47,173 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 19:00:47,174 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 19:00:47,176 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 19:00:47,283 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f69522df-39fe-4d6e-a65d-e9f75aa009d5/bin-2019/ukojak/witness.graphml [2018-11-18 19:00:47,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 19:00:47,285 INFO L168 Benchmark]: Toolchain (without parser) took 83193.83 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 959.1 MB in the beginning and 1.7 GB in the end (delta: -770.3 MB). Peak memory consumption was 771.1 MB. Max. memory is 11.5 GB. [2018-11-18 19:00:47,285 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:00:47,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.34 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 921.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 19:00:47,286 INFO L168 Benchmark]: Boogie Procedure Inliner took 241.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -224.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 19:00:47,286 INFO L168 Benchmark]: Boogie Preprocessor took 67.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 19:00:47,286 INFO L168 Benchmark]: RCFGBuilder took 4744.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.8 MB in the end (delta: 226.8 MB). Peak memory consumption was 226.8 MB. Max. memory is 11.5 GB. [2018-11-18 19:00:47,287 INFO L168 Benchmark]: CodeCheck took 77229.78 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 911.8 MB in the beginning and 1.7 GB in the end (delta: -817.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 19:00:47,287 INFO L168 Benchmark]: Witness Printer took 129.79 ms. Allocated memory is still 2.6 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 19:00:47,289 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, 199 locations, 1 error locations. SAFE Result, 72.8s OverallTime, 87 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 592064860 SDtfs, -322894406 SDslu, -1033107112 SDs, 0 SdLazy, 496997722 SolverSat, 1809970652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 337.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89184 GetRequests, 87032 SyntacticMatches, 1338 SemanticMatches, 814 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453483 ImplicationChecksByTransitivity, 58.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 13292 NumberOfCodeBlocks, 13292 NumberOfCodeBlocksAsserted, 86 NumberOfCheckSat, 13206 ConstructedInterpolants, 0 QuantifiedInterpolants, 8827446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 86 InterpolantComputations, 73 PerfectInterpolantSequences, 11337/11569 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: 551]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a8 == 15) || a20 == 1) || !(a7 == 1)) || !(a17 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a7 == 1)) || !(a17 == 1)) || !(a8 == 15) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 776.34 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 921.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 241.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 921.5 MB in the beginning and 1.1 GB in the end (delta: -224.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4744.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.8 MB in the end (delta: 226.8 MB). Peak memory consumption was 226.8 MB. Max. memory is 11.5 GB. * CodeCheck took 77229.78 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 911.8 MB in the beginning and 1.7 GB in the end (delta: -817.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 129.79 ms. Allocated memory is still 2.6 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...