./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aa303202e206e0417727207f0e09817a035cbfbb ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:16:30,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:16:30,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:16:30,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:16:30,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:16:30,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:16:30,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:16:30,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:16:30,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:16:30,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:16:30,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:16:30,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:16:30,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:16:30,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:16:30,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:16:30,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:16:30,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:16:30,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:16:30,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:16:30,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:16:30,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:16:30,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:16:30,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:16:30,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:16:30,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:16:30,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:16:30,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:16:30,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:16:30,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:16:30,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:16:30,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:16:30,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:16:30,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:16:30,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:16:30,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:16:30,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:16:30,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:16:30,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:16:30,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:16:30,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:16:30,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:16:30,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-30 00:16:30,258 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:16:30,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:16:30,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:16:30,261 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:16:30,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:16:30,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:16:30,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:16:30,262 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:16:30,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:16:30,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:16:30,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:16:30,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:16:30,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:16:30,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:16:30,265 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:16:30,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:16:30,266 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:16:30,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:16:30,266 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:16:30,266 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:16:30,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:16:30,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:16:30,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:16:30,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:16:30,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:16:30,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:16:30,268 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:16:30,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:16:30,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:16:30,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa303202e206e0417727207f0e09817a035cbfbb [2020-11-30 00:16:30,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:16:30,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:16:30,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:16:30,598 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:16:30,599 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:16:30,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c [2020-11-30 00:16:30,704 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/data/fa6da9484/678d91ed04aa48d2be01446dc6f2808a/FLAG2e2960a8d [2020-11-30 00:16:31,318 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:16:31,319 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/sv-benchmarks/c/eca-rers2012/Problem01_label00.c [2020-11-30 00:16:31,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/data/fa6da9484/678d91ed04aa48d2be01446dc6f2808a/FLAG2e2960a8d [2020-11-30 00:16:31,542 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/data/fa6da9484/678d91ed04aa48d2be01446dc6f2808a [2020-11-30 00:16:31,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:16:31,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:16:31,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:16:31,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:16:31,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:16:31,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:16:31" (1/1) ... [2020-11-30 00:16:31,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f26348c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:31, skipping insertion in model container [2020-11-30 00:16:31,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:16:31" (1/1) ... [2020-11-30 00:16:31,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:16:31,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:16:32,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:16:32,133 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:16:32,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:16:32,261 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:16:32,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:32 WrapperNode [2020-11-30 00:16:32,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:16:32,263 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:16:32,263 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:16:32,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:16:32,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:32" (1/1) ... [2020-11-30 00:16:32,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:32" (1/1) ... [2020-11-30 00:16:32,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:16:32,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:16:32,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:16:32,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:16:32,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:32" (1/1) ... [2020-11-30 00:16:32,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:32" (1/1) ... [2020-11-30 00:16:32,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:32" (1/1) ... [2020-11-30 00:16:32,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:32" (1/1) ... [2020-11-30 00:16:32,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:32" (1/1) ... [2020-11-30 00:16:32,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:32" (1/1) ... [2020-11-30 00:16:32,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:32" (1/1) ... [2020-11-30 00:16:32,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:16:32,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:16:32,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:16:32,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:16:32,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:16:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/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 [2020-11-30 00:16:32,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:16:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:16:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:16:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:16:34,611 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:16:34,611 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-30 00:16:34,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:16:34 BoogieIcfgContainer [2020-11-30 00:16:34,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:16:34,614 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:16:34,614 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:16:34,626 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:16:34,627 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:16:34" (1/1) ... [2020-11-30 00:16:34,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:16:34,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:34,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2020-11-30 00:16:34,692 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2020-11-30 00:16:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-11-30 00:16:34,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:16:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2020-11-30 00:16:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2020-11-30 00:16:36,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-11-30 00:16:36,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:36,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:16:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 214 states and 297 transitions. [2020-11-30 00:16:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 297 transitions. [2020-11-30 00:16:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-11-30 00:16:37,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:16:38,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:38,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 283 states and 367 transitions. [2020-11-30 00:16:38,227 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 367 transitions. [2020-11-30 00:16:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-11-30 00:16:38,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:38,346 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:16:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 291 states and 378 transitions. [2020-11-30 00:16:38,737 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 378 transitions. [2020-11-30 00:16:38,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-11-30 00:16:38,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:16:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:38,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 294 states and 381 transitions. [2020-11-30 00:16:38,895 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 381 transitions. [2020-11-30 00:16:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-11-30 00:16:38,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:39,004 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:16:39,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:39,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 307 states and 397 transitions. [2020-11-30 00:16:39,704 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 397 transitions. [2020-11-30 00:16:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-11-30 00:16:39,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:16:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:40,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 316 states and 408 transitions. [2020-11-30 00:16:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 408 transitions. [2020-11-30 00:16:40,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-11-30 00:16:40,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:16:41,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 328 states and 423 transitions. [2020-11-30 00:16:41,351 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 423 transitions. [2020-11-30 00:16:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-11-30 00:16:41,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:16:41,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:41,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 331 states and 426 transitions. [2020-11-30 00:16:41,559 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 426 transitions. [2020-11-30 00:16:41,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-11-30 00:16:41,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:41,688 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-30 00:16:42,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:42,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 346 states and 444 transitions. [2020-11-30 00:16:42,838 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 444 transitions. [2020-11-30 00:16:42,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-11-30 00:16:42,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:42,931 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:16:43,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 363 states and 464 transitions. [2020-11-30 00:16:43,280 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 464 transitions. [2020-11-30 00:16:43,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-11-30 00:16:43,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:16:43,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 377 states and 479 transitions. [2020-11-30 00:16:43,745 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 479 transitions. [2020-11-30 00:16:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-11-30 00:16:43,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:16:44,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 392 states and 499 transitions. [2020-11-30 00:16:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 499 transitions. [2020-11-30 00:16:44,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-11-30 00:16:44,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:44,824 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:16:45,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:45,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 411 states and 520 transitions. [2020-11-30 00:16:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 520 transitions. [2020-11-30 00:16:45,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:16:45,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:16:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:47,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 456 states and 568 transitions. [2020-11-30 00:16:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 568 transitions. [2020-11-30 00:16:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-11-30 00:16:47,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-30 00:16:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 461 states and 576 transitions. [2020-11-30 00:16:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 576 transitions. [2020-11-30 00:16:47,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-11-30 00:16:47,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-30 00:16:49,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:49,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 503 states and 621 transitions. [2020-11-30 00:16:49,076 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 621 transitions. [2020-11-30 00:16:49,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-11-30 00:16:49,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 68 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:16:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 551 states and 686 transitions. [2020-11-30 00:16:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 686 transitions. [2020-11-30 00:16:50,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-30 00:16:50,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 00:16:51,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:51,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 554 states and 689 transitions. [2020-11-30 00:16:51,211 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 689 transitions. [2020-11-30 00:16:51,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-30 00:16:51,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 00:16:51,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:51,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 571 states and 710 transitions. [2020-11-30 00:16:51,692 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 710 transitions. [2020-11-30 00:16:51,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-11-30 00:16:51,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-11-30 00:16:52,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:52,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 573 states and 715 transitions. [2020-11-30 00:16:52,107 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 715 transitions. [2020-11-30 00:16:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-30 00:16:52,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-30 00:16:52,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 576 states and 718 transitions. [2020-11-30 00:16:52,246 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 718 transitions. [2020-11-30 00:16:52,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-30 00:16:52,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-30 00:16:53,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:53,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 646 states and 788 transitions. [2020-11-30 00:16:53,182 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 788 transitions. [2020-11-30 00:16:53,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-30 00:16:53,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:53,346 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:16:53,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 648 states and 796 transitions. [2020-11-30 00:16:53,617 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 796 transitions. [2020-11-30 00:16:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-11-30 00:16:53,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:53,709 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:16:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:54,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 673 states and 825 transitions. [2020-11-30 00:16:54,345 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 825 transitions. [2020-11-30 00:16:54,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-30 00:16:54,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:16:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:54,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 692 states and 844 transitions. [2020-11-30 00:16:54,798 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 844 transitions. [2020-11-30 00:16:54,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-11-30 00:16:54,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:54,955 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-30 00:16:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 701 states and 854 transitions. [2020-11-30 00:16:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 854 transitions. [2020-11-30 00:16:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-11-30 00:16:55,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-11-30 00:16:55,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:55,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 706 states and 860 transitions. [2020-11-30 00:16:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 860 transitions. [2020-11-30 00:16:55,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-11-30 00:16:55,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-11-30 00:16:56,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:56,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 731 states and 889 transitions. [2020-11-30 00:16:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 889 transitions. [2020-11-30 00:16:56,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-11-30 00:16:56,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:56,957 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 104 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:16:59,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:16:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 822 states and 996 transitions. [2020-11-30 00:16:59,436 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 996 transitions. [2020-11-30 00:16:59,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-11-30 00:16:59,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:16:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:16:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 104 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:17:00,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:00,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 826 states and 1000 transitions. [2020-11-30 00:17:00,121 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1000 transitions. [2020-11-30 00:17:00,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-30 00:17:00,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 00:17:01,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:01,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 873 states and 1056 transitions. [2020-11-30 00:17:01,109 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1056 transitions. [2020-11-30 00:17:01,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-30 00:17:01,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:01,175 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-11-30 00:17:01,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:01,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 875 states and 1059 transitions. [2020-11-30 00:17:01,575 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1059 transitions. [2020-11-30 00:17:01,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-30 00:17:01,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:02,196 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 63 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:17:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 965 states and 1155 transitions. [2020-11-30 00:17:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1155 transitions. [2020-11-30 00:17:04,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-11-30 00:17:04,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 119 proven. 86 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:17:08,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:08,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1014 states and 1218 transitions. [2020-11-30 00:17:08,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1218 transitions. [2020-11-30 00:17:08,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-11-30 00:17:08,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:08,507 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 119 proven. 86 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-30 00:17:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1018 states and 1221 transitions. [2020-11-30 00:17:09,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1221 transitions. [2020-11-30 00:17:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-11-30 00:17:09,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-30 00:17:10,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:10,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1074 states and 1278 transitions. [2020-11-30 00:17:10,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1278 transitions. [2020-11-30 00:17:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-11-30 00:17:10,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:11,007 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 00:17:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1125 states and 1347 transitions. [2020-11-30 00:17:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1347 transitions. [2020-11-30 00:17:14,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-11-30 00:17:14,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:14,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:14,582 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-30 00:17:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:15,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1145 states and 1365 transitions. [2020-11-30 00:17:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1365 transitions. [2020-11-30 00:17:15,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-11-30 00:17:15,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 118 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:17:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:17,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1153 states and 1380 transitions. [2020-11-30 00:17:17,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1380 transitions. [2020-11-30 00:17:17,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-11-30 00:17:17,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:18,158 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 121 proven. 64 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-11-30 00:17:21,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1286 states and 1532 transitions. [2020-11-30 00:17:21,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1532 transitions. [2020-11-30 00:17:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-11-30 00:17:21,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-30 00:17:23,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1308 states and 1556 transitions. [2020-11-30 00:17:23,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1556 transitions. [2020-11-30 00:17:23,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-11-30 00:17:23,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-11-30 00:17:24,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 1312 states and 1561 transitions. [2020-11-30 00:17:24,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1561 transitions. [2020-11-30 00:17:24,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-11-30 00:17:24,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 124 proven. 67 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:17:26,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:26,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1384 states and 1636 transitions. [2020-11-30 00:17:26,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1636 transitions. [2020-11-30 00:17:26,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-11-30 00:17:26,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:26,676 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 162 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 00:17:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:27,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1393 states and 1645 transitions. [2020-11-30 00:17:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1645 transitions. [2020-11-30 00:17:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-30 00:17:27,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2020-11-30 00:17:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1415 states and 1668 transitions. [2020-11-30 00:17:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1668 transitions. [2020-11-30 00:17:28,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-11-30 00:17:28,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 169 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 00:17:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:29,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1422 states and 1675 transitions. [2020-11-30 00:17:29,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1675 transitions. [2020-11-30 00:17:29,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-11-30 00:17:29,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2020-11-30 00:17:29,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1439 states and 1692 transitions. [2020-11-30 00:17:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1692 transitions. [2020-11-30 00:17:29,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-11-30 00:17:29,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:30,277 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 171 proven. 108 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-11-30 00:17:31,662 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-11-30 00:17:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:32,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1470 states and 1724 transitions. [2020-11-30 00:17:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1724 transitions. [2020-11-30 00:17:32,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-11-30 00:17:32,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:32,484 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 172 proven. 95 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 00:17:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:32,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1473 states and 1728 transitions. [2020-11-30 00:17:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1728 transitions. [2020-11-30 00:17:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-11-30 00:17:32,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 162 proven. 103 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2020-11-30 00:17:36,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:36,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1583 states and 1861 transitions. [2020-11-30 00:17:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 1861 transitions. [2020-11-30 00:17:36,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-30 00:17:36,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:17:42,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:42,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1914 states to 1621 states and 1914 transitions. [2020-11-30 00:17:42,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 1914 transitions. [2020-11-30 00:17:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-30 00:17:42,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:42,310 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:17:45,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:45,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1693 states and 2001 transitions. [2020-11-30 00:17:45,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2001 transitions. [2020-11-30 00:17:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-30 00:17:45,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:45,957 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:17:46,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 1695 states and 2002 transitions. [2020-11-30 00:17:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2002 transitions. [2020-11-30 00:17:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-30 00:17:46,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:46,867 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:17:47,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:47,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1697 states and 2005 transitions. [2020-11-30 00:17:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2005 transitions. [2020-11-30 00:17:47,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-30 00:17:47,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:17:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:49,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 1701 states and 2011 transitions. [2020-11-30 00:17:49,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2011 transitions. [2020-11-30 00:17:49,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-30 00:17:49,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:49,693 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 237 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:17:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1703 states and 2017 transitions. [2020-11-30 00:17:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2017 transitions. [2020-11-30 00:17:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2020-11-30 00:17:50,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:50,619 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2020-11-30 00:17:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:17:53,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 1749 states and 2064 transitions. [2020-11-30 00:17:53,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2064 transitions. [2020-11-30 00:17:53,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 00:17:53,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:17:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:17:53,720 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 136 proven. 138 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-11-30 00:17:56,496 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2020-11-30 00:18:00,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:00,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 1783 states and 2108 transitions. [2020-11-30 00:18:00,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2108 transitions. [2020-11-30 00:18:00,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 00:18:00,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 136 proven. 138 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-11-30 00:18:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 1787 states and 2111 transitions. [2020-11-30 00:18:01,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2111 transitions. [2020-11-30 00:18:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 00:18:01,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 136 proven. 138 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-11-30 00:18:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 1802 states and 2127 transitions. [2020-11-30 00:18:05,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2127 transitions. [2020-11-30 00:18:05,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-11-30 00:18:05,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:05,994 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 67 proven. 215 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-11-30 00:18:07,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1808 states and 2137 transitions. [2020-11-30 00:18:07,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2137 transitions. [2020-11-30 00:18:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-11-30 00:18:07,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:08,386 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 300 proven. 116 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-30 00:18:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:11,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1849 states and 2183 transitions. [2020-11-30 00:18:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 2183 transitions. [2020-11-30 00:18:11,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-11-30 00:18:11,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:12,186 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 69 proven. 246 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-11-30 00:18:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1880 states and 2219 transitions. [2020-11-30 00:18:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 2219 transitions. [2020-11-30 00:18:13,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-11-30 00:18:13,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:13,692 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 69 proven. 250 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-11-30 00:18:13,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:13,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1882 states and 2221 transitions. [2020-11-30 00:18:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2221 transitions. [2020-11-30 00:18:13,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-11-30 00:18:13,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-11-30 00:18:16,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1897 states and 2242 transitions. [2020-11-30 00:18:16,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2242 transitions. [2020-11-30 00:18:16,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-11-30 00:18:16,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:16,222 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-11-30 00:18:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:17,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 1905 states and 2252 transitions. [2020-11-30 00:18:17,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2252 transitions. [2020-11-30 00:18:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-11-30 00:18:17,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-11-30 00:18:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:18,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 1922 states and 2268 transitions. [2020-11-30 00:18:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 2268 transitions. [2020-11-30 00:18:18,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-11-30 00:18:18,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-11-30 00:18:19,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:19,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 1927 states and 2273 transitions. [2020-11-30 00:18:19,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 2273 transitions. [2020-11-30 00:18:19,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-11-30 00:18:19,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:19,582 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-11-30 00:18:20,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1943 states and 2288 transitions. [2020-11-30 00:18:20,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 2288 transitions. [2020-11-30 00:18:20,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-11-30 00:18:20,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 414 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:18:35,369 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2020-11-30 00:18:36,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:36,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2131 states and 2487 transitions. [2020-11-30 00:18:36,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2487 transitions. [2020-11-30 00:18:36,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-11-30 00:18:36,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 270 proven. 114 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-30 00:18:39,322 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-11-30 00:18:39,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:39,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2268 states and 2633 transitions. [2020-11-30 00:18:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 2633 transitions. [2020-11-30 00:18:39,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-30 00:18:39,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:18:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:18:39,963 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 202 proven. 114 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-11-30 00:18:40,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:18:40,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2196 states and 2553 transitions. [2020-11-30 00:18:40,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2553 transitions. [2020-11-30 00:18:40,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 00:18:40,049 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 74 iterations. [2020-11-30 00:18:40,056 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-30 00:18:40,442 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-11-30 00:18:40,699 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-11-30 00:18:41,143 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 29 [2020-11-30 00:18:41,417 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-30 00:18:41,815 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:18:42,200 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2020-11-30 00:18:42,497 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-30 00:18:42,907 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2020-11-30 00:18:43,243 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2020-11-30 00:18:43,614 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:18:44,046 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:18:44,416 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2020-11-30 00:18:44,792 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2020-11-30 00:18:45,197 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:18:45,486 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-30 00:18:45,954 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:18:46,359 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-11-30 00:18:46,649 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-30 00:18:47,091 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 29 [2020-11-30 00:18:47,428 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2020-11-30 00:18:47,837 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:18:48,237 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-11-30 00:18:48,586 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 29 [2020-11-30 00:18:49,022 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 29 [2020-11-30 00:18:49,431 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2020-11-30 00:18:49,704 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2020-11-30 00:18:50,113 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2020-11-30 00:18:50,512 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 29 [2020-11-30 00:18:50,899 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-11-30 00:18:51,265 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-30 00:18:51,687 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 29 [2020-11-30 00:18:52,057 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:18:52,428 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-30 00:18:52,803 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2020-11-30 00:18:53,197 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2020-11-30 00:18:53,638 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 29 [2020-11-30 00:18:54,071 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 29 [2020-11-30 00:18:54,355 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-30 00:18:54,786 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:18:55,067 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-11-30 00:18:55,481 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:18:55,763 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-30 00:18:56,228 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 29 [2020-11-30 00:18:56,630 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2020-11-30 00:18:57,027 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2020-11-30 00:18:57,383 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2020-11-30 00:18:57,851 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-11-30 00:18:58,307 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 29 [2020-11-30 00:18:58,707 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:18:59,141 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:18:59,621 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 29 [2020-11-30 00:19:00,033 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:19:00,444 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2020-11-30 00:19:00,811 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2020-11-30 00:19:01,145 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2020-11-30 00:19:01,557 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 29 [2020-11-30 00:19:02,035 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 29 [2020-11-30 00:19:02,519 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 29 [2020-11-30 00:19:02,863 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2020-11-30 00:19:03,288 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:19:03,691 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2020-11-30 00:19:04,142 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 29 [2020-11-30 00:19:04,570 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 29 [2020-11-30 00:19:04,851 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-30 00:19:05,282 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 29 [2020-11-30 00:19:05,559 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 29 [2020-11-30 00:19:05,959 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2020-11-30 00:19:06,291 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 29 [2020-11-30 00:19:06,668 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 29 [2020-11-30 00:19:06,668 INFO L569 CodeCheckObserver]: Invariant with dag size 28 [2020-11-30 00:19:06,681 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-30 00:19:06,681 INFO L569 CodeCheckObserver]: Invariant with dag size 28 [2020-11-30 00:19:06,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:19:06 ImpRootNode [2020-11-30 00:19:06,683 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:19:06,684 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:19:06,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:19:06,684 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:19:06,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:16:34" (3/4) ... [2020-11-30 00:19:06,688 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 00:19:06,716 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2020-11-30 00:19:06,718 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2020-11-30 00:19:06,720 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-30 00:19:06,721 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-30 00:19:06,867 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2d5c2f52-ed03-4150-80dd-edfc5a7dceb7/bin/ukojak/witness.graphml [2020-11-30 00:19:06,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:19:06,868 INFO L168 Benchmark]: Toolchain (without parser) took 155322.01 ms. Allocated memory was 96.5 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 62.5 MB in the beginning and 806.8 MB in the end (delta: -744.3 MB). Peak memory consumption was 819.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:06,869 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 53.0 MB in the beginning and 52.9 MB in the end (delta: 24.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:06,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.01 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 58.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:06,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.63 ms. Allocated memory is still 96.5 MB. Free memory was 58.2 MB in the beginning and 52.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:06,870 INFO L168 Benchmark]: Boogie Preprocessor took 73.34 ms. Allocated memory is still 96.5 MB. Free memory was 52.4 MB in the beginning and 48.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:06,871 INFO L168 Benchmark]: RCFGBuilder took 2191.88 ms. Allocated memory was 96.5 MB in the beginning and 125.8 MB in the end (delta: 29.4 MB). Free memory was 48.2 MB in the beginning and 75.1 MB in the end (delta: -26.9 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:06,871 INFO L168 Benchmark]: CodeCheck took 152068.95 ms. Allocated memory was 125.8 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 75.1 MB in the beginning and 822.7 MB in the end (delta: -747.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. [2020-11-30 00:19:06,872 INFO L168 Benchmark]: Witness Printer took 183.48 ms. Allocated memory is still 1.7 GB. Free memory was 822.7 MB in the beginning and 806.8 MB in the end (delta: 15.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:06,874 INFO L339 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, 76 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 125.3s, OverallIterations: 74, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -2105317296 SDtfs, -1565820634 SDslu, 257259976 SDs, 0 SdLazy, -980573566 SolverSat, -565316780 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 442.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92650 GetRequests, 87407 SyntacticMatches, 4587 SemanticMatches, 656 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313228 ImplicationChecksByTransitivity, 93.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 13382 NumberOfCodeBlocks, 13382 NumberOfCodeBlocksAsserted, 73 NumberOfCheckSat, 13309 ConstructedInterpolants, 0 QuantifiedInterpolants, 22084782 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 73 InterpolantComputations, 41 PerfectInterpolantSequences, 11771/15046 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: 12]: 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: 593]: Loop Invariant Derived loop invariant: ((((((a12 == 8 && a20 == 1) && a16 == 4) && a17 == 1) || !(a8 == 13)) || !(a21 == 1)) || (((!(a17 == 1) && a12 == 8) && a16 == 4) && !(a7 == 1))) || ((((a16 == 6 && a12 == 8) && a20 == 1) && !(a7 == 1)) && a17 == 1) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((a12 == 8 && a20 == 1) && a16 == 4) && a17 == 1) || !(a8 == 13)) || !(a21 == 1)) || (((!(a17 == 1) && a12 == 8) && a16 == 4) && !(a7 == 1))) || ((((a16 == 6 && a12 == 8) && a20 == 1) && !(a7 == 1)) && a17 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 53.0 MB in the beginning and 52.9 MB in the end (delta: 24.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 711.01 ms. Allocated memory is still 96.5 MB. Free memory was 62.3 MB in the beginning and 58.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 83.63 ms. Allocated memory is still 96.5 MB. Free memory was 58.2 MB in the beginning and 52.4 MB in the end (delta: 5.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.34 ms. Allocated memory is still 96.5 MB. Free memory was 52.4 MB in the beginning and 48.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2191.88 ms. Allocated memory was 96.5 MB in the beginning and 125.8 MB in the end (delta: 29.4 MB). Free memory was 48.2 MB in the beginning and 75.1 MB in the end (delta: -26.9 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. * CodeCheck took 152068.95 ms. Allocated memory was 125.8 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 75.1 MB in the beginning and 822.7 MB in the end (delta: -747.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 16.1 GB. * Witness Printer took 183.48 ms. Allocated memory is still 1.7 GB. Free memory was 822.7 MB in the beginning and 806.8 MB in the end (delta: 15.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...