./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/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 ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 04:06:35,301 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:06:35,302 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:06:35,308 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:06:35,308 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:06:35,308 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:06:35,309 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:06:35,310 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:06:35,311 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:06:35,312 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:06:35,313 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:06:35,313 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:06:35,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:06:35,314 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:06:35,315 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:06:35,315 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:06:35,315 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:06:35,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:06:35,317 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:06:35,318 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:06:35,319 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:06:35,320 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:06:35,321 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:06:35,322 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:06:35,322 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:06:35,322 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:06:35,323 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:06:35,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:06:35,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:06:35,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:06:35,324 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:06:35,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:06:35,325 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:06:35,325 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:06:35,326 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:06:35,326 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:06:35,327 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:06:35,337 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:06:35,337 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:06:35,337 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:06:35,338 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:06:35,338 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:06:35,338 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:06:35,338 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:06:35,339 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:06:35,339 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:06:35,339 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:06:35,339 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:06:35,339 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:06:35,339 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:06:35,339 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:06:35,339 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:06:35,340 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:06:35,340 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:06:35,340 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:06:35,340 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:06:35,340 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:06:35,340 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:06:35,340 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:06:35,341 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:06:35,341 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:06:35,341 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:06:35,341 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:06:35,341 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:06:35,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:06:35,341 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_75c46726-d821-4ff2-acf3-cf5b2f2fc734/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 -> ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 [2018-11-10 04:06:35,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:06:35,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:06:35,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:06:35,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:06:35,377 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:06:35,378 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-10 04:06:35,416 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/data/f1158e3ca/8fb6db2b97c84aababf5df336940fc41/FLAG22bb53ab9 [2018-11-10 04:06:35,873 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:06:35,873 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-10 04:06:35,886 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/data/f1158e3ca/8fb6db2b97c84aababf5df336940fc41/FLAG22bb53ab9 [2018-11-10 04:06:35,898 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/data/f1158e3ca/8fb6db2b97c84aababf5df336940fc41 [2018-11-10 04:06:35,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:06:35,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:06:35,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:06:35,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:06:35,906 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:06:35,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:06:35" (1/1) ... [2018-11-10 04:06:35,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:35, skipping insertion in model container [2018-11-10 04:06:35,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:06:35" (1/1) ... [2018-11-10 04:06:35,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:06:35,952 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:06:36,174 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:06:36,178 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:06:36,241 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:06:36,252 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:06:36,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:36 WrapperNode [2018-11-10 04:06:36,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:06:36,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:06:36,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:06:36,253 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:06:36,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:36" (1/1) ... [2018-11-10 04:06:36,269 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:36" (1/1) ... [2018-11-10 04:06:36,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:06:36,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:06:36,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:06:36,360 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:06:36,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:36" (1/1) ... [2018-11-10 04:06:36,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:36" (1/1) ... [2018-11-10 04:06:36,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:36" (1/1) ... [2018-11-10 04:06:36,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:36" (1/1) ... [2018-11-10 04:06:36,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:36" (1/1) ... [2018-11-10 04:06:36,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:36" (1/1) ... [2018-11-10 04:06:36,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:36" (1/1) ... [2018-11-10 04:06:36,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:06:36,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:06:36,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:06:36,400 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:06:36,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:06:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:06:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 04:06:36,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:06:36,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:06:38,353 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:06:38,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:06:38 BoogieIcfgContainer [2018-11-10 04:06:38,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:06:38,354 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:06:38,354 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:06:38,361 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:06:38,362 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:06:38" (1/1) ... [2018-11-10 04:06:38,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:06:38,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:38,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-10 04:06:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-10 04:06:38,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 04:06:38,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:39,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-10 04:06:39,142 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-10 04:06:39,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 04:06:39,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:39,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:06:39,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-11-10 04:06:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-11-10 04:06:39,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 04:06:39,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:39,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-11-10 04:06:39,617 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-11-10 04:06:39,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 04:06:39,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:40,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-11-10 04:06:40,019 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-11-10 04:06:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 04:06:40,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:40,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:40,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-11-10 04:06:40,562 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-11-10 04:06:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-10 04:06:40,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-11-10 04:06:40,811 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-11-10 04:06:40,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-10 04:06:40,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:40,857 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:40,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:40,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-11-10 04:06:40,884 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-11-10 04:06:40,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 04:06:40,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:06:41,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:41,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-11-10 04:06:41,017 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-11-10 04:06:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 04:06:41,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 04:06:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-11-10 04:06:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-11-10 04:06:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 04:06:41,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 04:06:41,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-11-10 04:06:41,591 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-11-10 04:06:41,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-10 04:06:41,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 04:06:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 338 states and 447 transitions. [2018-11-10 04:06:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 447 transitions. [2018-11-10 04:06:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-10 04:06:42,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:42,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 369 states and 486 transitions. [2018-11-10 04:06:42,674 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 486 transitions. [2018-11-10 04:06:42,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 04:06:42,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:42,706 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 04:06:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:42,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 388 states and 508 transitions. [2018-11-10 04:06:42,935 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 508 transitions. [2018-11-10 04:06:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 04:06:42,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:43,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 419 states and 544 transitions. [2018-11-10 04:06:43,885 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 544 transitions. [2018-11-10 04:06:43,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-10 04:06:43,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:43,940 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:44,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:44,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 423 states and 548 transitions. [2018-11-10 04:06:44,038 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 548 transitions. [2018-11-10 04:06:44,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-10 04:06:44,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:44,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 436 states and 562 transitions. [2018-11-10 04:06:44,162 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 562 transitions. [2018-11-10 04:06:44,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 04:06:44,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:44,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 455 states and 584 transitions. [2018-11-10 04:06:44,383 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 584 transitions. [2018-11-10 04:06:44,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-10 04:06:44,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 04:06:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:44,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 459 states and 587 transitions. [2018-11-10 04:06:44,503 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 587 transitions. [2018-11-10 04:06:44,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 04:06:44,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 04:06:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 464 states and 591 transitions. [2018-11-10 04:06:44,551 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 591 transitions. [2018-11-10 04:06:44,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-10 04:06:44,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:06:44,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:44,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 466 states and 594 transitions. [2018-11-10 04:06:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 594 transitions. [2018-11-10 04:06:44,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-10 04:06:44,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:06:45,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:45,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 480 states and 609 transitions. [2018-11-10 04:06:45,535 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 609 transitions. [2018-11-10 04:06:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-10 04:06:45,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 485 states and 615 transitions. [2018-11-10 04:06:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 615 transitions. [2018-11-10 04:06:45,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-10 04:06:45,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:45,911 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:46,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:46,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 504 states and 634 transitions. [2018-11-10 04:06:46,011 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 634 transitions. [2018-11-10 04:06:46,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-10 04:06:46,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:46,327 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:06:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:47,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 546 states and 687 transitions. [2018-11-10 04:06:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 687 transitions. [2018-11-10 04:06:47,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-10 04:06:47,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:47,449 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:47,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:47,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 548 states and 689 transitions. [2018-11-10 04:06:47,480 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 689 transitions. [2018-11-10 04:06:47,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-10 04:06:47,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:47,523 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:06:47,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:47,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 553 states and 694 transitions. [2018-11-10 04:06:47,647 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 694 transitions. [2018-11-10 04:06:47,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-10 04:06:47,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:06:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:47,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 554 states and 695 transitions. [2018-11-10 04:06:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 695 transitions. [2018-11-10 04:06:47,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-10 04:06:47,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:06:48,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:48,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 573 states and 717 transitions. [2018-11-10 04:06:48,166 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 717 transitions. [2018-11-10 04:06:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-10 04:06:48,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:06:48,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 574 states and 718 transitions. [2018-11-10 04:06:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 718 transitions. [2018-11-10 04:06:48,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-10 04:06:48,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:48,275 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:06:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:48,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 591 states and 735 transitions. [2018-11-10 04:06:48,355 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 735 transitions. [2018-11-10 04:06:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-10 04:06:48,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:06:48,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:48,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 601 states and 745 transitions. [2018-11-10 04:06:48,566 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 745 transitions. [2018-11-10 04:06:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-10 04:06:48,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:48,620 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:49,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:49,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 617 states and 761 transitions. [2018-11-10 04:06:49,043 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 761 transitions. [2018-11-10 04:06:49,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-10 04:06:49,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:49,098 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-10 04:06:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:49,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 619 states and 762 transitions. [2018-11-10 04:06:49,196 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 762 transitions. [2018-11-10 04:06:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-10 04:06:49,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:49,282 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:06:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 621 states and 764 transitions. [2018-11-10 04:06:49,420 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 764 transitions. [2018-11-10 04:06:49,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-10 04:06:49,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-10 04:06:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 622 states and 766 transitions. [2018-11-10 04:06:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 766 transitions. [2018-11-10 04:06:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-10 04:06:49,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:49,685 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:06:49,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:49,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 626 states and 770 transitions. [2018-11-10 04:06:49,712 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 770 transitions. [2018-11-10 04:06:49,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-10 04:06:49,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:06:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:49,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 653 states and 798 transitions. [2018-11-10 04:06:49,921 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 798 transitions. [2018-11-10 04:06:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 04:06:49,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-10 04:06:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:50,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 655 states and 800 transitions. [2018-11-10 04:06:50,083 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 800 transitions. [2018-11-10 04:06:50,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-10 04:06:50,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:06:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 667 states and 815 transitions. [2018-11-10 04:06:50,390 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 815 transitions. [2018-11-10 04:06:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-10 04:06:50,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:06:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 671 states and 820 transitions. [2018-11-10 04:06:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 820 transitions. [2018-11-10 04:06:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-10 04:06:50,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:50,808 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:06:51,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 695 states and 850 transitions. [2018-11-10 04:06:51,979 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 850 transitions. [2018-11-10 04:06:51,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-10 04:06:51,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:06:52,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 725 states and 879 transitions. [2018-11-10 04:06:52,408 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 879 transitions. [2018-11-10 04:06:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-10 04:06:52,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:06:52,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:52,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 749 states and 904 transitions. [2018-11-10 04:06:52,737 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 904 transitions. [2018-11-10 04:06:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-10 04:06:52,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:06:52,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:52,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 750 states and 904 transitions. [2018-11-10 04:06:52,893 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 904 transitions. [2018-11-10 04:06:52,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-10 04:06:52,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:52,940 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-10 04:06:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 756 states and 909 transitions. [2018-11-10 04:06:52,996 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 909 transitions. [2018-11-10 04:06:52,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-10 04:06:52,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:06:53,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 788 states and 941 transitions. [2018-11-10 04:06:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 941 transitions. [2018-11-10 04:06:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 04:06:53,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:53,240 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 04:06:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 794 states and 948 transitions. [2018-11-10 04:06:53,362 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 948 transitions. [2018-11-10 04:06:53,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 04:06:53,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:53,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-10 04:06:53,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 795 states and 948 transitions. [2018-11-10 04:06:53,625 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 948 transitions. [2018-11-10 04:06:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 04:06:53,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:53,779 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 830 states and 987 transitions. [2018-11-10 04:06:54,379 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 987 transitions. [2018-11-10 04:06:54,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-10 04:06:54,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:54,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:54,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 832 states and 988 transitions. [2018-11-10 04:06:54,542 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 988 transitions. [2018-11-10 04:06:54,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-10 04:06:54,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:54,596 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 04:06:54,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:54,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 856 states and 1013 transitions. [2018-11-10 04:06:54,908 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1013 transitions. [2018-11-10 04:06:54,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-10 04:06:54,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:54,989 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 04:06:55,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:55,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 890 states and 1050 transitions. [2018-11-10 04:06:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1050 transitions. [2018-11-10 04:06:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-10 04:06:55,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:55,597 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 04:06:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 894 states and 1054 transitions. [2018-11-10 04:06:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1054 transitions. [2018-11-10 04:06:55,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-10 04:06:55,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:06:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 898 states and 1060 transitions. [2018-11-10 04:06:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1060 transitions. [2018-11-10 04:06:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-10 04:06:55,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 04:06:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:56,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 915 states and 1076 transitions. [2018-11-10 04:06:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1076 transitions. [2018-11-10 04:06:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-10 04:06:56,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:56,092 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-10 04:06:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 953 states and 1116 transitions. [2018-11-10 04:06:56,237 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1116 transitions. [2018-11-10 04:06:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-10 04:06:56,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:56,271 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-10 04:06:56,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:56,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 956 states and 1118 transitions. [2018-11-10 04:06:56,290 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1118 transitions. [2018-11-10 04:06:56,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 04:06:56,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:56,871 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:59,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:59,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1079 states and 1260 transitions. [2018-11-10 04:06:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1260 transitions. [2018-11-10 04:06:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 04:06:59,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:06:59,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:06:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1083 states and 1264 transitions. [2018-11-10 04:06:59,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1264 transitions. [2018-11-10 04:06:59,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-10 04:06:59,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:06:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:06:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:07:00,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:07:00,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1088 states and 1268 transitions. [2018-11-10 04:07:00,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1268 transitions. [2018-11-10 04:07:00,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-10 04:07:00,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:07:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:00,309 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 04:07:00,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:07:00,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1168 states and 1351 transitions. [2018-11-10 04:07:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1351 transitions. [2018-11-10 04:07:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-10 04:07:00,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:07:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 04:07:01,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:07:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1180 states and 1366 transitions. [2018-11-10 04:07:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1366 transitions. [2018-11-10 04:07:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-10 04:07:01,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:07:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-10 04:07:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:07:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1207 states and 1393 transitions. [2018-11-10 04:07:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1393 transitions. [2018-11-10 04:07:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-10 04:07:01,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:07:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-10 04:07:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:07:01,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1209 states and 1394 transitions. [2018-11-10 04:07:01,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1394 transitions. [2018-11-10 04:07:01,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-10 04:07:01,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:07:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:02,089 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-10 04:07:02,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:07:02,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1264 states and 1452 transitions. [2018-11-10 04:07:02,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1452 transitions. [2018-11-10 04:07:02,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-10 04:07:02,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:07:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:07:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-10 04:07:02,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:07:02,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1100 states and 1268 transitions. [2018-11-10 04:07:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1268 transitions. [2018-11-10 04:07:02,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 04:07:02,766 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2018-11-10 04:07:02,772 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 04:07:05,012 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 04:07:05,014 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-11-10 04:07:05,018 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-11-10 04:07:05,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:07:05 ImpRootNode [2018-11-10 04:07:05,019 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:07:05,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:07:05,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:07:05,020 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:07:05,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:06:38" (3/4) ... [2018-11-10 04:07:05,023 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 04:07:05,037 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-10 04:07:05,038 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 04:07:05,039 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-10 04:07:05,040 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 04:07:05,122 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_75c46726-d821-4ff2-acf3-cf5b2f2fc734/bin-2019/ukojak/witness.graphml [2018-11-10 04:07:05,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:07:05,123 INFO L168 Benchmark]: Toolchain (without parser) took 29221.34 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 990.9 MB). Free memory was 956.6 MB in the beginning and 1.6 GB in the end (delta: -604.3 MB). Peak memory consumption was 386.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:05,124 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:07:05,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.57 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:05,124 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -227.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:05,125 INFO L168 Benchmark]: Boogie Preprocessor took 40.18 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:05,125 INFO L168 Benchmark]: RCFGBuilder took 1953.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.2 MB in the end (delta: 244.9 MB). Peak memory consumption was 244.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:05,125 INFO L168 Benchmark]: CodeCheck took 26664.94 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 831.0 MB). Free memory was 899.2 MB in the beginning and 1.6 GB in the end (delta: -684.5 MB). Peak memory consumption was 921.6 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:05,125 INFO L168 Benchmark]: Witness Printer took 102.99 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:07:05,127 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 24.3s OverallTime, 67 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 271288528 SDtfs, -1733088268 SDslu, -1990211968 SDs, 0 SdLazy, 1082450776 SolverSat, -295731148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 119.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72580 GetRequests, 71490 SyntacticMatches, 670 SemanticMatches, 420 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127364 ImplicationChecksByTransitivity, 16.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 11061 NumberOfCodeBlocks, 11061 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 10995 ConstructedInterpolants, 0 QuantifiedInterpolants, 4878657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 53 PerfectInterpolantSequences, 8656/8913 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: 574]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a11 == 1 && !(a17 == 9)) || a17 == 8) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.57 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -227.3 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.18 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1953.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.2 MB in the end (delta: 244.9 MB). Peak memory consumption was 244.9 MB. Max. memory is 11.5 GB. * CodeCheck took 26664.94 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 831.0 MB). Free memory was 899.2 MB in the beginning and 1.6 GB in the end (delta: -684.5 MB). Peak memory consumption was 921.6 MB. Max. memory is 11.5 GB. * Witness Printer took 102.99 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...