./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label17.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/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 3bc052be4bf83a6b89bc47d6157f3742948fabcf ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:07:32,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:07:32,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:07:32,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:07:32,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:07:32,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:07:32,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:07:32,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:07:32,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:07:32,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:07:32,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:07:32,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:07:32,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:07:32,425 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:07:32,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:07:32,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:07:32,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:07:32,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:07:32,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:07:32,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:07:32,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:07:32,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:07:32,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:07:32,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:07:32,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:07:32,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:07:32,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:07:32,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:07:32,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:07:32,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:07:32,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:07:32,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:07:32,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:07:32,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:07:32,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:07:32,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:07:32,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:07:32,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:07:32,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:07:32,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:07:32,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:07:32,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 02:07:32,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:07:32,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:07:32,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:07:32,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:07:32,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:07:32,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:07:32,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:07:32,481 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:07:32,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:07:32,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:07:32,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:07:32,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:07:32,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:07:32,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:07:32,482 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:07:32,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:07:32,482 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:07:32,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:07:32,483 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:07:32,483 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:07:32,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:07:32,483 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:07:32,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:07:32,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:07:32,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:07:32,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:07:32,484 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:07:32,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:07:32,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:07:32,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/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 -> 3bc052be4bf83a6b89bc47d6157f3742948fabcf [2019-11-20 02:07:32,661 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:07:32,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:07:32,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:07:32,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:07:32,681 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:07:32,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label17.c [2019-11-20 02:07:32,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/ukojak/data/d8a6667b1/107e39210f514971a8db52658989d216/FLAG82e57cc95 [2019-11-20 02:07:33,227 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:07:33,227 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/sv-benchmarks/c/eca-rers2012/Problem02_label17.c [2019-11-20 02:07:33,260 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/ukojak/data/d8a6667b1/107e39210f514971a8db52658989d216/FLAG82e57cc95 [2019-11-20 02:07:33,556 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/ukojak/data/d8a6667b1/107e39210f514971a8db52658989d216 [2019-11-20 02:07:33,558 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:07:33,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:07:33,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:07:33,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:07:33,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:07:33,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:07:33" (1/1) ... [2019-11-20 02:07:33,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7edf95a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:33, skipping insertion in model container [2019-11-20 02:07:33,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:07:33" (1/1) ... [2019-11-20 02:07:33,573 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:07:33,634 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:07:34,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:07:34,015 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:07:34,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:07:34,180 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:07:34,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:34 WrapperNode [2019-11-20 02:07:34,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:07:34,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:07:34,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:07:34,182 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:07:34,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:34" (1/1) ... [2019-11-20 02:07:34,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:34" (1/1) ... [2019-11-20 02:07:34,276 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:07:34,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:07:34,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:07:34,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:07:34,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:34" (1/1) ... [2019-11-20 02:07:34,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:34" (1/1) ... [2019-11-20 02:07:34,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:34" (1/1) ... [2019-11-20 02:07:34,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:34" (1/1) ... [2019-11-20 02:07:34,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:34" (1/1) ... [2019-11-20 02:07:34,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:34" (1/1) ... [2019-11-20 02:07:34,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:34" (1/1) ... [2019-11-20 02:07:34,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:07:34,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:07:34,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:07:34,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:07:34,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:07:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/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 [2019-11-20 02:07:34,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:07:34,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:07:36,230 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:07:36,230 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 02:07:36,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:07:36 BoogieIcfgContainer [2019-11-20 02:07:36,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:07:36,232 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:07:36,232 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:07:36,243 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:07:36,244 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:07:36" (1/1) ... [2019-11-20 02:07:36,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:07:36,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:36,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2019-11-20 02:07:36,336 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2019-11-20 02:07:36,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 02:07:36,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:37,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:37,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2019-11-20 02:07:37,282 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2019-11-20 02:07:37,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-20 02:07:37,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:37,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 02:07:37,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 164 states and 242 transitions. [2019-11-20 02:07:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 242 transitions. [2019-11-20 02:07:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 02:07:37,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:37,700 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:37,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:37,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2019-11-20 02:07:37,932 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2019-11-20 02:07:37,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 02:07:37,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:38,032 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:38,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2019-11-20 02:07:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2019-11-20 02:07:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 02:07:38,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:39,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:39,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 220 states and 320 transitions. [2019-11-20 02:07:39,060 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2019-11-20 02:07:39,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-20 02:07:39,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:39,101 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:39,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2019-11-20 02:07:39,315 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2019-11-20 02:07:39,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 02:07:39,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 02:07:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:39,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 242 states and 345 transitions. [2019-11-20 02:07:39,963 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 345 transitions. [2019-11-20 02:07:39,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-20 02:07:39,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 246 states and 349 transitions. [2019-11-20 02:07:40,086 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2019-11-20 02:07:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 02:07:40,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:40,121 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:07:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 247 states and 351 transitions. [2019-11-20 02:07:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2019-11-20 02:07:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 02:07:40,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:40,317 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:07:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 250 states and 354 transitions. [2019-11-20 02:07:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 354 transitions. [2019-11-20 02:07:40,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 02:07:40,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:07:41,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:41,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 329 states and 450 transitions. [2019-11-20 02:07:41,197 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 450 transitions. [2019-11-20 02:07:41,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-20 02:07:41,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:41,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:41,234 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:07:41,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:41,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 347 states and 470 transitions. [2019-11-20 02:07:41,684 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 470 transitions. [2019-11-20 02:07:41,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-20 02:07:41,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:41,779 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:42,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:42,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 377 states and 508 transitions. [2019-11-20 02:07:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 508 transitions. [2019-11-20 02:07:42,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 02:07:42,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:07:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:43,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 383 states and 518 transitions. [2019-11-20 02:07:43,043 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 518 transitions. [2019-11-20 02:07:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-20 02:07:43,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:44,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 413 states and 553 transitions. [2019-11-20 02:07:44,785 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 553 transitions. [2019-11-20 02:07:44,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-20 02:07:44,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:44,847 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:45,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:45,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 416 states and 556 transitions. [2019-11-20 02:07:45,045 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 556 transitions. [2019-11-20 02:07:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-20 02:07:45,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:07:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 421 states and 561 transitions. [2019-11-20 02:07:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 561 transitions. [2019-11-20 02:07:45,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 02:07:45,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:45,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 434 states and 575 transitions. [2019-11-20 02:07:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 575 transitions. [2019-11-20 02:07:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 02:07:45,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 453 states and 597 transitions. [2019-11-20 02:07:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 597 transitions. [2019-11-20 02:07:45,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 02:07:45,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:45,926 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 02:07:46,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 457 states and 600 transitions. [2019-11-20 02:07:46,065 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 600 transitions. [2019-11-20 02:07:46,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 02:07:46,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:07:46,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:46,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 462 states and 604 transitions. [2019-11-20 02:07:46,151 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 604 transitions. [2019-11-20 02:07:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 02:07:46,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:46,318 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:07:46,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 464 states and 607 transitions. [2019-11-20 02:07:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 607 transitions. [2019-11-20 02:07:46,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 02:07:46,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:07:47,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:47,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 478 states and 622 transitions. [2019-11-20 02:07:47,541 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 622 transitions. [2019-11-20 02:07:47,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 02:07:47,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:47,607 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:47,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:47,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 482 states and 627 transitions. [2019-11-20 02:07:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 627 transitions. [2019-11-20 02:07:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-20 02:07:47,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:07:50,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:50,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 522 states and 678 transitions. [2019-11-20 02:07:50,138 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 678 transitions. [2019-11-20 02:07:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 02:07:50,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:50,245 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:07:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 549 states and 705 transitions. [2019-11-20 02:07:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 705 transitions. [2019-11-20 02:07:50,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 02:07:50,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:07:50,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:50,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 554 states and 710 transitions. [2019-11-20 02:07:50,678 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 710 transitions. [2019-11-20 02:07:50,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 02:07:50,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:50,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 575 states and 731 transitions. [2019-11-20 02:07:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 731 transitions. [2019-11-20 02:07:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 02:07:50,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:50,907 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:07:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 576 states and 732 transitions. [2019-11-20 02:07:50,929 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 732 transitions. [2019-11-20 02:07:50,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 02:07:50,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:51,583 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:07:54,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:54,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 635 states and 797 transitions. [2019-11-20 02:07:54,774 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 797 transitions. [2019-11-20 02:07:54,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 02:07:54,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:07:55,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 654 states and 819 transitions. [2019-11-20 02:07:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 819 transitions. [2019-11-20 02:07:55,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 02:07:55,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:55,897 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:07:55,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:07:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 655 states and 821 transitions. [2019-11-20 02:07:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 821 transitions. [2019-11-20 02:07:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-20 02:07:55,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:07:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:07:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:08:01,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 723 states and 903 transitions. [2019-11-20 02:08:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 903 transitions. [2019-11-20 02:08:01,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-20 02:08:01,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:08:02,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:02,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 726 states and 906 transitions. [2019-11-20 02:08:02,118 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 906 transitions. [2019-11-20 02:08:02,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 02:08:02,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:08:02,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:02,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 743 states and 923 transitions. [2019-11-20 02:08:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 923 transitions. [2019-11-20 02:08:02,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-20 02:08:02,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:02,320 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:08:02,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 745 states and 924 transitions. [2019-11-20 02:08:02,643 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 924 transitions. [2019-11-20 02:08:02,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 02:08:02,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:02,994 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:08:05,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:05,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 782 states and 965 transitions. [2019-11-20 02:08:05,705 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 965 transitions. [2019-11-20 02:08:05,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 02:08:05,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:08:06,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:06,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 796 states and 979 transitions. [2019-11-20 02:08:06,231 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 979 transitions. [2019-11-20 02:08:06,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 02:08:06,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:06,408 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:08:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:07,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 809 states and 992 transitions. [2019-11-20 02:08:07,438 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 992 transitions. [2019-11-20 02:08:07,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 02:08:07,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:08:08,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:08,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 827 states and 1010 transitions. [2019-11-20 02:08:08,248 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1010 transitions. [2019-11-20 02:08:08,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-20 02:08:08,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:08:09,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 842 states and 1025 transitions. [2019-11-20 02:08:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1025 transitions. [2019-11-20 02:08:09,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 02:08:09,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:09,151 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2019-11-20 02:08:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 844 states and 1026 transitions. [2019-11-20 02:08:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1026 transitions. [2019-11-20 02:08:09,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 02:08:09,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:08:09,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 846 states and 1028 transitions. [2019-11-20 02:08:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1028 transitions. [2019-11-20 02:08:09,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-20 02:08:09,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:08:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 850 states and 1035 transitions. [2019-11-20 02:08:10,162 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1035 transitions. [2019-11-20 02:08:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-20 02:08:10,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:10,285 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-20 02:08:10,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:10,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 852 states and 1037 transitions. [2019-11-20 02:08:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1037 transitions. [2019-11-20 02:08:10,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-20 02:08:10,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:08:11,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:11,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 879 states and 1066 transitions. [2019-11-20 02:08:11,982 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1066 transitions. [2019-11-20 02:08:11,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 02:08:11,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:08:12,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:12,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 891 states and 1083 transitions. [2019-11-20 02:08:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1083 transitions. [2019-11-20 02:08:12,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 02:08:12,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:13,309 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:08:15,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 910 states and 1107 transitions. [2019-11-20 02:08:15,622 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1107 transitions. [2019-11-20 02:08:15,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 02:08:15,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:08:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:15,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 914 states and 1112 transitions. [2019-11-20 02:08:15,844 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1112 transitions. [2019-11-20 02:08:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 02:08:15,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 02:08:16,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 916 states and 1113 transitions. [2019-11-20 02:08:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1113 transitions. [2019-11-20 02:08:16,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 02:08:16,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-20 02:08:17,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:17,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 928 states and 1124 transitions. [2019-11-20 02:08:17,255 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1124 transitions. [2019-11-20 02:08:17,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 02:08:17,256 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:08:18,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:18,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 999 states and 1201 transitions. [2019-11-20 02:08:18,492 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1201 transitions. [2019-11-20 02:08:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 02:08:18,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:18,590 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 02:08:19,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:19,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1078 states and 1286 transitions. [2019-11-20 02:08:19,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1286 transitions. [2019-11-20 02:08:19,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 02:08:19,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:19,750 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:08:20,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:20,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1108 states and 1317 transitions. [2019-11-20 02:08:20,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1317 transitions. [2019-11-20 02:08:20,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 02:08:20,643 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:20,717 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:08:22,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:22,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1133 states and 1342 transitions. [2019-11-20 02:08:22,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1342 transitions. [2019-11-20 02:08:22,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-11-20 02:08:22,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:08:22,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:22,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1158 states and 1366 transitions. [2019-11-20 02:08:22,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1366 transitions. [2019-11-20 02:08:22,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-11-20 02:08:22,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:08:24,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:24,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 1190 states and 1398 transitions. [2019-11-20 02:08:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1398 transitions. [2019-11-20 02:08:24,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-20 02:08:24,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 02:08:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1192 states and 1399 transitions. [2019-11-20 02:08:25,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1399 transitions. [2019-11-20 02:08:25,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 02:08:25,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:25,228 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 02:08:25,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:25,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1198 states and 1404 transitions. [2019-11-20 02:08:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1404 transitions. [2019-11-20 02:08:25,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 02:08:25,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:25,548 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 02:08:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:27,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1274 states and 1489 transitions. [2019-11-20 02:08:27,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1489 transitions. [2019-11-20 02:08:27,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 02:08:27,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:27,307 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:08:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1279 states and 1494 transitions. [2019-11-20 02:08:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1494 transitions. [2019-11-20 02:08:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 02:08:27,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:08:28,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:28,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1304 states and 1519 transitions. [2019-11-20 02:08:28,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1519 transitions. [2019-11-20 02:08:28,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-20 02:08:28,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:28,555 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 02:08:29,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:29,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1310 states and 1531 transitions. [2019-11-20 02:08:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 1531 transitions. [2019-11-20 02:08:29,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 02:08:29,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-11-20 02:08:29,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:29,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1315 states and 1539 transitions. [2019-11-20 02:08:29,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1539 transitions. [2019-11-20 02:08:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 02:08:29,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-11-20 02:08:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1316 states and 1539 transitions. [2019-11-20 02:08:29,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1539 transitions. [2019-11-20 02:08:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 02:08:29,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:29,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:30,144 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:08:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1578 states to 1352 states and 1578 transitions. [2019-11-20 02:08:31,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1578 transitions. [2019-11-20 02:08:31,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-20 02:08:31,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 02:08:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:32,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1372 states and 1602 transitions. [2019-11-20 02:08:32,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1602 transitions. [2019-11-20 02:08:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-20 02:08:32,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:32,477 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 02:08:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1375 states and 1605 transitions. [2019-11-20 02:08:32,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1605 transitions. [2019-11-20 02:08:32,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-11-20 02:08:32,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:32,943 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 02:08:34,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:34,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1421 states and 1657 transitions. [2019-11-20 02:08:34,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 1657 transitions. [2019-11-20 02:08:34,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-11-20 02:08:34,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:34,175 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 02:08:34,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1662 states to 1426 states and 1662 transitions. [2019-11-20 02:08:34,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1662 transitions. [2019-11-20 02:08:34,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-11-20 02:08:34,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 02:08:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1430 states and 1666 transitions. [2019-11-20 02:08:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 1666 transitions. [2019-11-20 02:08:35,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-20 02:08:35,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 02:08:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:36,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1463 states and 1705 transitions. [2019-11-20 02:08:36,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1705 transitions. [2019-11-20 02:08:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-20 02:08:36,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:36,698 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 02:08:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:37,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1473 states and 1714 transitions. [2019-11-20 02:08:37,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1714 transitions. [2019-11-20 02:08:37,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-20 02:08:37,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:37,593 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:08:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1477 states and 1720 transitions. [2019-11-20 02:08:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1720 transitions. [2019-11-20 02:08:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-11-20 02:08:37,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:37,813 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:08:37,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1489 states and 1732 transitions. [2019-11-20 02:08:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1732 transitions. [2019-11-20 02:08:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-11-20 02:08:37,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:37,943 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-20 02:08:38,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:38,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1738 states to 1496 states and 1738 transitions. [2019-11-20 02:08:38,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 1738 transitions. [2019-11-20 02:08:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-20 02:08:38,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:38,382 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:08:38,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 1502 states and 1749 transitions. [2019-11-20 02:08:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1749 transitions. [2019-11-20 02:08:38,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-20 02:08:38,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:38,643 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:08:39,522 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-11-20 02:08:39,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1534 states and 1780 transitions. [2019-11-20 02:08:39,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1780 transitions. [2019-11-20 02:08:39,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-20 02:08:39,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 02:08:42,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1568 states and 1817 transitions. [2019-11-20 02:08:42,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1817 transitions. [2019-11-20 02:08:42,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-20 02:08:42,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 02:08:42,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:42,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1571 states and 1819 transitions. [2019-11-20 02:08:42,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1819 transitions. [2019-11-20 02:08:42,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-20 02:08:42,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 02:08:42,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:42,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1573 states and 1820 transitions. [2019-11-20 02:08:42,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1820 transitions. [2019-11-20 02:08:42,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-20 02:08:42,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:08:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1650 states and 1913 transitions. [2019-11-20 02:08:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 1913 transitions. [2019-11-20 02:08:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-20 02:08:49,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:49,749 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:08:50,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1654 states and 1917 transitions. [2019-11-20 02:08:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 1917 transitions. [2019-11-20 02:08:50,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-20 02:08:50,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:08:50,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:50,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1659 states and 1921 transitions. [2019-11-20 02:08:50,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 1921 transitions. [2019-11-20 02:08:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-11-20 02:08:50,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:50,992 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-11-20 02:08:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:51,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1672 states and 1935 transitions. [2019-11-20 02:08:51,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1935 transitions. [2019-11-20 02:08:51,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-20 02:08:51,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2019-11-20 02:08:52,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1751 states and 2017 transitions. [2019-11-20 02:08:52,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2017 transitions. [2019-11-20 02:08:52,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-11-20 02:08:52,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 02:08:56,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:56,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1918 states and 2191 transitions. [2019-11-20 02:08:56,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 2191 transitions. [2019-11-20 02:08:56,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-11-20 02:08:56,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-11-20 02:08:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1922 states and 2195 transitions. [2019-11-20 02:08:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2195 transitions. [2019-11-20 02:08:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-11-20 02:08:57,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 8 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-11-20 02:08:57,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:08:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1926 states and 2199 transitions. [2019-11-20 02:08:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2199 transitions. [2019-11-20 02:08:57,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-11-20 02:08:57,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:08:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:08:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-11-20 02:09:03,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:03,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 2116 states and 2411 transitions. [2019-11-20 02:09:03,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2411 transitions. [2019-11-20 02:09:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-11-20 02:09:03,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:04,018 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-11-20 02:09:05,268 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 13 [2019-11-20 02:09:06,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:06,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 2142 states and 2449 transitions. [2019-11-20 02:09:06,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2449 transitions. [2019-11-20 02:09:06,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-11-20 02:09:06,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-11-20 02:09:06,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:06,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 2145 states and 2453 transitions. [2019-11-20 02:09:06,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2453 transitions. [2019-11-20 02:09:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-11-20 02:09:06,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-11-20 02:09:07,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:07,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2163 states and 2474 transitions. [2019-11-20 02:09:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2474 transitions. [2019-11-20 02:09:07,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2019-11-20 02:09:07,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-11-20 02:09:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2166 states and 2476 transitions. [2019-11-20 02:09:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 2476 transitions. [2019-11-20 02:09:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2019-11-20 02:09:07,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:07,846 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-11-20 02:09:08,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2171 states and 2479 transitions. [2019-11-20 02:09:08,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 2479 transitions. [2019-11-20 02:09:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-11-20 02:09:08,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:08,502 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 02:09:10,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 2214 states and 2528 transitions. [2019-11-20 02:09:10,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 2528 transitions. [2019-11-20 02:09:10,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-11-20 02:09:10,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:10,776 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 02:09:11,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2218 states and 2531 transitions. [2019-11-20 02:09:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 2531 transitions. [2019-11-20 02:09:11,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2019-11-20 02:09:11,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 474 proven. 8 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-11-20 02:09:15,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:15,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 2262 states and 2587 transitions. [2019-11-20 02:09:15,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2587 transitions. [2019-11-20 02:09:15,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-11-20 02:09:15,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:15,850 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 428 proven. 4 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-11-20 02:09:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:16,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2275 states and 2605 transitions. [2019-11-20 02:09:16,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 2605 transitions. [2019-11-20 02:09:16,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-11-20 02:09:16,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:17,255 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 428 proven. 4 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-11-20 02:09:18,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:18,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2280 states and 2609 transitions. [2019-11-20 02:09:18,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 2609 transitions. [2019-11-20 02:09:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-11-20 02:09:18,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 428 proven. 4 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-11-20 02:09:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2284 states and 2613 transitions. [2019-11-20 02:09:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2613 transitions. [2019-11-20 02:09:18,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-11-20 02:09:18,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:18,934 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 12 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2019-11-20 02:09:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2288 states and 2617 transitions. [2019-11-20 02:09:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2617 transitions. [2019-11-20 02:09:19,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-11-20 02:09:19,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2019-11-20 02:09:21,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2304 states and 2650 transitions. [2019-11-20 02:09:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2650 transitions. [2019-11-20 02:09:21,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-11-20 02:09:21,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2019-11-20 02:09:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2308 states and 2654 transitions. [2019-11-20 02:09:21,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 2654 transitions. [2019-11-20 02:09:21,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-11-20 02:09:21,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:22,165 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2019-11-20 02:09:22,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:22,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2658 states to 2312 states and 2658 transitions. [2019-11-20 02:09:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2658 transitions. [2019-11-20 02:09:22,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-11-20 02:09:22,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2019-11-20 02:09:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2662 states to 2316 states and 2662 transitions. [2019-11-20 02:09:23,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 2662 transitions. [2019-11-20 02:09:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-11-20 02:09:23,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2019-11-20 02:09:23,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:23,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2320 states and 2666 transitions. [2019-11-20 02:09:23,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2320 states and 2666 transitions. [2019-11-20 02:09:23,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2019-11-20 02:09:23,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 438 proven. 6 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2019-11-20 02:09:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:24,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2324 states and 2670 transitions. [2019-11-20 02:09:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2670 transitions. [2019-11-20 02:09:24,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-11-20 02:09:24,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:26,297 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 02:09:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 2429 states and 2801 transitions. [2019-11-20 02:09:36,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 2801 transitions. [2019-11-20 02:09:36,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-11-20 02:09:36,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:36,462 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 02:09:41,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:41,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2508 states and 2891 transitions. [2019-11-20 02:09:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 2891 transitions. [2019-11-20 02:09:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-11-20 02:09:41,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:41,922 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 02:09:43,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:43,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2513 states and 2899 transitions. [2019-11-20 02:09:43,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 2899 transitions. [2019-11-20 02:09:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-11-20 02:09:43,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 02:09:44,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2517 states and 2905 transitions. [2019-11-20 02:09:44,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 2905 transitions. [2019-11-20 02:09:44,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-11-20 02:09:44,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 02:09:46,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:46,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2522 states and 2910 transitions. [2019-11-20 02:09:46,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 2910 transitions. [2019-11-20 02:09:46,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-11-20 02:09:46,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 02:09:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2528 states and 2917 transitions. [2019-11-20 02:09:47,529 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 2917 transitions. [2019-11-20 02:09:47,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-11-20 02:09:47,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 02:09:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2533 states and 2921 transitions. [2019-11-20 02:09:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 2921 transitions. [2019-11-20 02:09:48,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2019-11-20 02:09:48,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:48,858 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 436 proven. 103 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-11-20 02:09:49,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2537 states and 2926 transitions. [2019-11-20 02:09:49,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 2926 transitions. [2019-11-20 02:09:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2019-11-20 02:09:49,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:51,467 INFO L134 CoverageAnalysis]: Checked inductivity of 643 backedges. 409 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2019-11-20 02:09:56,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:56,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2601 states and 2990 transitions. [2019-11-20 02:09:56,815 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 2990 transitions. [2019-11-20 02:09:56,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-11-20 02:09:56,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 597 proven. 16 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2019-11-20 02:09:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:09:59,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 2625 states and 3015 transitions. [2019-11-20 02:09:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3015 transitions. [2019-11-20 02:09:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-11-20 02:09:59,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:09:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:09:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 732 backedges. 597 proven. 16 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2019-11-20 02:10:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3018 states to 2629 states and 3018 transitions. [2019-11-20 02:10:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3018 transitions. [2019-11-20 02:10:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-11-20 02:10:00,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:00,513 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-11-20 02:10:06,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:06,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 2674 states and 3076 transitions. [2019-11-20 02:10:06,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 3076 transitions. [2019-11-20 02:10:06,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-11-20 02:10:06,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-11-20 02:10:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:09,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3102 states to 2696 states and 3102 transitions. [2019-11-20 02:10:09,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3102 transitions. [2019-11-20 02:10:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-11-20 02:10:09,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:09,461 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-11-20 02:10:10,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:10,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3112 states to 2706 states and 3112 transitions. [2019-11-20 02:10:10,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 3112 transitions. [2019-11-20 02:10:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-11-20 02:10:10,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:10,348 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-11-20 02:10:11,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:11,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 2710 states and 3117 transitions. [2019-11-20 02:10:11,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3117 transitions. [2019-11-20 02:10:11,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-11-20 02:10:11,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 529 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-11-20 02:10:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:13,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 2733 states and 3147 transitions. [2019-11-20 02:10:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 3147 transitions. [2019-11-20 02:10:13,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2019-11-20 02:10:13,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:14,581 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 408 proven. 23 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-11-20 02:10:27,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3404 states to 2937 states and 3404 transitions. [2019-11-20 02:10:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2937 states and 3404 transitions. [2019-11-20 02:10:27,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2019-11-20 02:10:27,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 418 proven. 43 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-11-20 02:10:37,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:37,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 3048 states and 3537 transitions. [2019-11-20 02:10:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 3537 transitions. [2019-11-20 02:10:37,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2019-11-20 02:10:37,938 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 548 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2019-11-20 02:10:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:38,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 3052 states and 3543 transitions. [2019-11-20 02:10:38,927 INFO L276 IsEmpty]: Start isEmpty. Operand 3052 states and 3543 transitions. [2019-11-20 02:10:38,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2019-11-20 02:10:38,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:39,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 560 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2019-11-20 02:10:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:45,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 3211 states and 3718 transitions. [2019-11-20 02:10:45,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3211 states and 3718 transitions. [2019-11-20 02:10:45,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2019-11-20 02:10:45,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 560 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2019-11-20 02:10:47,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:47,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3274 states and 3781 transitions. [2019-11-20 02:10:47,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 3781 transitions. [2019-11-20 02:10:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2019-11-20 02:10:47,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1089 backedges. 560 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2019-11-20 02:10:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3275 states and 3781 transitions. [2019-11-20 02:10:48,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3275 states and 3781 transitions. [2019-11-20 02:10:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-11-20 02:10:48,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2019-11-20 02:10:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:54,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3432 states and 3948 transitions. [2019-11-20 02:10:54,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3432 states and 3948 transitions. [2019-11-20 02:10:54,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-11-20 02:10:54,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:54,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 567 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2019-11-20 02:10:56,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:10:56,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 3494 states and 4009 transitions. [2019-11-20 02:10:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 3494 states and 4009 transitions. [2019-11-20 02:10:56,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2019-11-20 02:10:56,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:10:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:10:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1528 backedges. 1050 proven. 196 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2019-11-20 02:11:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:11:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4236 states to 3699 states and 4236 transitions. [2019-11-20 02:11:09,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3699 states and 4236 transitions. [2019-11-20 02:11:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2019-11-20 02:11:09,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:11:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:11:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 851 proven. 227 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-20 02:11:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:11:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 3783 states and 4341 transitions. [2019-11-20 02:11:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand 3783 states and 4341 transitions. [2019-11-20 02:11:17,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2019-11-20 02:11:17,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:11:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:11:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 851 proven. 227 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-20 02:11:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:11:21,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4395 states to 3834 states and 4395 transitions. [2019-11-20 02:11:21,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3834 states and 4395 transitions. [2019-11-20 02:11:21,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2019-11-20 02:11:21,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:11:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:11:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1516 backedges. 851 proven. 227 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-20 02:11:23,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:11:23,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4434 states to 3872 states and 4434 transitions. [2019-11-20 02:11:23,815 INFO L276 IsEmpty]: Start isEmpty. Operand 3872 states and 4434 transitions. [2019-11-20 02:11:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:11:23,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:11:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:11:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:11:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:11:43,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4580 states to 4004 states and 4580 transitions. [2019-11-20 02:11:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 4004 states and 4580 transitions. [2019-11-20 02:11:43,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:11:43,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:11:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:11:43,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:11:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:11:57,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4709 states to 4122 states and 4709 transitions. [2019-11-20 02:11:57,047 INFO L276 IsEmpty]: Start isEmpty. Operand 4122 states and 4709 transitions. [2019-11-20 02:11:57,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:11:57,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:11:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:11:57,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:05,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4784 states to 4195 states and 4784 transitions. [2019-11-20 02:12:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 4784 transitions. [2019-11-20 02:12:05,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:05,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:05,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:06,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:06,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4788 states to 4199 states and 4788 transitions. [2019-11-20 02:12:06,858 INFO L276 IsEmpty]: Start isEmpty. Operand 4199 states and 4788 transitions. [2019-11-20 02:12:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:06,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:12,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:12,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4840 states to 4241 states and 4840 transitions. [2019-11-20 02:12:12,952 INFO L276 IsEmpty]: Start isEmpty. Operand 4241 states and 4840 transitions. [2019-11-20 02:12:12,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:12,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:17,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4876 states to 4277 states and 4876 transitions. [2019-11-20 02:12:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 4277 states and 4876 transitions. [2019-11-20 02:12:17,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:17,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:18,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:19,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:19,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4880 states to 4281 states and 4880 transitions. [2019-11-20 02:12:19,431 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 4880 transitions. [2019-11-20 02:12:19,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:19,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:21,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:21,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4884 states to 4285 states and 4884 transitions. [2019-11-20 02:12:21,341 INFO L276 IsEmpty]: Start isEmpty. Operand 4285 states and 4884 transitions. [2019-11-20 02:12:21,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:21,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:23,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:23,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4888 states to 4289 states and 4888 transitions. [2019-11-20 02:12:23,029 INFO L276 IsEmpty]: Start isEmpty. Operand 4289 states and 4888 transitions. [2019-11-20 02:12:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:23,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:24,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4892 states to 4293 states and 4892 transitions. [2019-11-20 02:12:24,644 INFO L276 IsEmpty]: Start isEmpty. Operand 4293 states and 4892 transitions. [2019-11-20 02:12:24,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:24,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:25,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:26,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4896 states to 4297 states and 4896 transitions. [2019-11-20 02:12:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4297 states and 4896 transitions. [2019-11-20 02:12:26,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:26,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:27,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:28,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4900 states to 4301 states and 4900 transitions. [2019-11-20 02:12:28,260 INFO L276 IsEmpty]: Start isEmpty. Operand 4301 states and 4900 transitions. [2019-11-20 02:12:28,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:28,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:29,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4904 states to 4305 states and 4904 transitions. [2019-11-20 02:12:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 4904 transitions. [2019-11-20 02:12:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:29,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:31,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4908 states to 4309 states and 4908 transitions. [2019-11-20 02:12:31,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 4908 transitions. [2019-11-20 02:12:31,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 606 [2019-11-20 02:12:31,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:12:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:12:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2039 backedges. 1170 proven. 408 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2019-11-20 02:12:33,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:12:33,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3712 states to 3209 states and 3712 transitions. [2019-11-20 02:12:33,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3209 states and 3712 transitions. [2019-11-20 02:12:33,526 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:12:33,526 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 152 iterations. [2019-11-20 02:12:33,539 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 02:12:33,869 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2019-11-20 02:12:34,147 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 42 [2019-11-20 02:12:34,358 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2019-11-20 02:12:34,671 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 44 [2019-11-20 02:12:34,820 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2019-11-20 02:12:35,119 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2019-11-20 02:12:35,420 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2019-11-20 02:12:35,634 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2019-11-20 02:12:35,898 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2019-11-20 02:12:36,081 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2019-11-20 02:12:36,377 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 41 [2019-11-20 02:12:36,692 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2019-11-20 02:12:37,004 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 44 [2019-11-20 02:12:37,154 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2019-11-20 02:12:37,429 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 41 [2019-11-20 02:12:37,623 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 35 [2019-11-20 02:12:37,863 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 39 [2019-11-20 02:12:38,103 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 39 [2019-11-20 02:12:38,340 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2019-11-20 02:12:38,566 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 35 [2019-11-20 02:12:38,855 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 42 [2019-11-20 02:12:39,200 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 42 [2019-11-20 02:12:39,545 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 42 [2019-11-20 02:12:39,777 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2019-11-20 02:12:40,289 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 37 [2019-11-20 02:12:40,604 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2019-11-20 02:12:40,880 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2019-11-20 02:12:41,148 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 41 [2019-11-20 02:12:41,390 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 39 [2019-11-20 02:12:42,042 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 56 [2019-11-20 02:12:42,272 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2019-11-20 02:12:42,585 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 42 [2019-11-20 02:12:42,815 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2019-11-20 02:12:43,110 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2019-11-20 02:12:43,363 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 39 [2019-11-20 02:12:43,666 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2019-11-20 02:12:43,907 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2019-11-20 02:12:44,449 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 44 [2019-11-20 02:12:44,709 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 42 [2019-11-20 02:12:44,944 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2019-11-20 02:12:45,236 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2019-11-20 02:12:45,473 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2019-11-20 02:12:45,704 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2019-11-20 02:12:46,015 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 35 [2019-11-20 02:12:46,226 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2019-11-20 02:12:46,534 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 44 [2019-11-20 02:12:46,773 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 39 [2019-11-20 02:12:47,192 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 37 [2019-11-20 02:12:47,536 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 42 [2019-11-20 02:12:47,774 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2019-11-20 02:12:48,047 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 42 [2019-11-20 02:12:48,195 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2019-11-20 02:12:48,504 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 44 [2019-11-20 02:12:48,772 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 41 [2019-11-20 02:12:48,987 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2019-11-20 02:12:49,155 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2019-11-20 02:12:49,361 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 35 [2019-11-20 02:12:49,708 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2019-11-20 02:12:50,025 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 44 [2019-11-20 02:12:50,325 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 44 [2019-11-20 02:12:50,514 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 35 [2019-11-20 02:12:50,641 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2019-11-20 02:12:50,952 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 44 [2019-11-20 02:12:51,228 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2019-11-20 02:12:51,466 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2019-11-20 02:12:51,693 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 35 [2019-11-20 02:12:52,035 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 42 [2019-11-20 02:12:52,341 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2019-11-20 02:12:52,567 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2019-11-20 02:12:52,803 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2019-11-20 02:12:53,052 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 39 [2019-11-20 02:12:53,554 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 37 [2019-11-20 02:12:53,855 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2019-11-20 02:12:54,157 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 44 [2019-11-20 02:12:54,389 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2019-11-20 02:12:54,713 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 35 [2019-11-20 02:12:54,953 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 38 [2019-11-20 02:12:55,186 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 35 [2019-11-20 02:12:55,451 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2019-11-20 02:12:55,451 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:12:55,454 INFO L569 CodeCheckObserver]: Invariant with dag size 37 [2019-11-20 02:12:55,465 INFO L569 CodeCheckObserver]: Invariant with dag size 37 [2019-11-20 02:12:55,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:12:55 ImpRootNode [2019-11-20 02:12:55,468 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:12:55,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:12:55,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:12:55,469 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:12:55,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:07:36" (3/4) ... [2019-11-20 02:12:55,473 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:12:55,493 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2019-11-20 02:12:55,494 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-11-20 02:12:55,496 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-11-20 02:12:55,497 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:12:55,653 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0bc1dace-8587-40c9-a874-547d592a6646/bin/ukojak/witness.graphml [2019-11-20 02:12:55,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:12:55,655 INFO L168 Benchmark]: Toolchain (without parser) took 322096.09 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 946.1 MB in the beginning and 1.5 GB in the end (delta: -570.3 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2019-11-20 02:12:55,655 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:12:55,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-20 02:12:55,656 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:12:55,657 INFO L168 Benchmark]: Boogie Preprocessor took 64.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:12:55,657 INFO L168 Benchmark]: RCFGBuilder took 1890.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.2 MB in the end (delta: 221.5 MB). Peak memory consumption was 221.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:12:55,658 INFO L168 Benchmark]: CodeCheck took 319236.27 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 883.2 MB in the beginning and 1.5 GB in the end (delta: -656.8 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2019-11-20 02:12:55,658 INFO L168 Benchmark]: Witness Printer took 185.42 ms. Allocated memory is still 4.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-20 02:12:55,661 INFO L335 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, 85 locations, 1 error locations. Result: SAFE, OverallTime: 297.2s, OverallIterations: 152, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2027110396 SDtfs, -2093327204 SDslu, 1424195560 SDs, 0 SdLazy, -1513939672 SolverSat, -1235795840 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 987.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 262006 GetRequests, 254297 SyntacticMatches, 6031 SemanticMatches, 1678 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2232703 ImplicationChecksByTransitivity, 246.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.9s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 25.2s InterpolantComputationTime, 41045 NumberOfCodeBlocks, 41045 NumberOfCodeBlocksAsserted, 151 NumberOfCheckSat, 40894 ConstructedInterpolants, 0 QuantifiedInterpolants, 64836263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 151 InterpolantComputations, 89 PerfectInterpolantSequences, 67952/76217 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 529]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((a17 == 8 || (!(a25 == 1) && !(a17 == 9))) || ((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a11 == 1)) || ((!(a25 == 1) && a21 == 1) && !(a28 == 9))) || ((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a11 == 1)) || ((!(1 == a11) && !(a25 == 1)) && a21 == 1)) || ((((a28 == 11 && a17 == 7) && a19 == 1) && a11 <= 0) && a21 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && a21 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((!(a25 == 1) && !(a17 == 9)) || a17 == 8) || ((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a11 == 1)) || ((!(a25 == 1) && a21 == 1) && !(a28 == 9))) || ((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a11 == 1)) || ((!(1 == a11) && !(a25 == 1)) && a21 == 1)) || ((((a28 == 11 && a17 == 7) && a19 == 1) && a11 <= 0) && a21 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && a21 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 621.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -169.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1890.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.2 MB in the end (delta: 221.5 MB). Peak memory consumption was 221.5 MB. Max. memory is 11.5 GB. * CodeCheck took 319236.27 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 883.2 MB in the beginning and 1.5 GB in the end (delta: -656.8 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 185.42 ms. Allocated memory is still 4.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...