./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eb8eeb6e67f290f9d56e698aa8c9c7a779115813 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:09:22,287 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:09:22,289 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:09:22,299 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:09:22,300 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:09:22,301 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:09:22,302 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:09:22,303 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:09:22,305 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:09:22,306 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:09:22,307 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:09:22,307 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:09:22,308 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:09:22,309 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:09:22,310 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:09:22,310 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:09:22,311 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:09:22,313 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:09:22,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:09:22,316 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:09:22,317 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:09:22,318 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:09:22,320 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:09:22,320 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:09:22,320 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:09:22,321 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:09:22,322 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:09:22,323 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:09:22,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:09:22,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:09:22,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:09:22,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:09:22,326 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:09:22,326 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:09:22,327 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:09:22,327 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:09:22,328 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:09:22,340 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:09:22,340 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:09:22,341 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:09:22,341 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:09:22,342 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:09:22,342 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:09:22,342 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:09:22,342 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:09:22,343 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:09:22,343 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:09:22,343 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:09:22,343 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:09:22,343 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:09:22,343 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:09:22,344 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:09:22,344 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:09:22,344 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:09:22,344 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:09:22,344 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:09:22,345 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:09:22,345 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:09:22,345 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:09:22,345 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:09:22,345 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:09:22,346 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:09:22,346 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:09:22,346 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:09:22,346 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:09:22,346 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb8eeb6e67f290f9d56e698aa8c9c7a779115813 [2018-10-26 21:09:22,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:09:22,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:09:22,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:09:22,398 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:09:22,399 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:09:22,400 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c [2018-10-26 21:09:22,454 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/data/0d3e35950/6c233509e0234a89854247ad6fad1e40/FLAGffbc4ab67 [2018-10-26 21:09:22,936 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:09:22,937 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/sv-benchmarks/c/eca-rers2012/Problem01_label18_true-unreach-call_false-termination.c [2018-10-26 21:09:22,948 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/data/0d3e35950/6c233509e0234a89854247ad6fad1e40/FLAGffbc4ab67 [2018-10-26 21:09:22,965 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/data/0d3e35950/6c233509e0234a89854247ad6fad1e40 [2018-10-26 21:09:22,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:09:22,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:09:22,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:09:22,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:09:22,981 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:09:22,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:09:22" (1/1) ... [2018-10-26 21:09:22,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccde937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:22, skipping insertion in model container [2018-10-26 21:09:22,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:09:22" (1/1) ... [2018-10-26 21:09:22,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:09:23,050 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:09:23,448 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:09:23,453 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:09:23,548 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:09:23,564 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:09:23,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:23 WrapperNode [2018-10-26 21:09:23,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:09:23,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:09:23,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:09:23,566 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:09:23,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:23" (1/1) ... [2018-10-26 21:09:23,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:23" (1/1) ... [2018-10-26 21:09:23,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:09:23,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:09:23,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:09:23,663 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:09:23,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:23" (1/1) ... [2018-10-26 21:09:23,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:23" (1/1) ... [2018-10-26 21:09:23,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:23" (1/1) ... [2018-10-26 21:09:23,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:23" (1/1) ... [2018-10-26 21:09:23,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:23" (1/1) ... [2018-10-26 21:09:23,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:23" (1/1) ... [2018-10-26 21:09:23,857 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:23" (1/1) ... [2018-10-26 21:09:23,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:09:23,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:09:23,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:09:23,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:09:23,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:09:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:09:23,946 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:09:23,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:09:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:09:29,121 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:09:29,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:09:29 BoogieIcfgContainer [2018-10-26 21:09:29,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:09:29,123 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:09:29,123 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:09:29,136 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:09:29,136 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:09:29" (1/1) ... [2018-10-26 21:09:29,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:09:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:29,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 21:09:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 21:09:29,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 21:09:29,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:29,828 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 21:09:29,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 147 states and 223 transitions. [2018-10-26 21:09:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 223 transitions. [2018-10-26 21:09:30,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 21:09:30,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:30,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:31,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:31,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 152 states and 229 transitions. [2018-10-26 21:09:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 229 transitions. [2018-10-26 21:09:31,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-26 21:09:31,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:31,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 158 states and 240 transitions. [2018-10-26 21:09:31,326 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 240 transitions. [2018-10-26 21:09:31,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 21:09:31,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:31,556 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:09:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:33,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 236 states and 331 transitions. [2018-10-26 21:09:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 331 transitions. [2018-10-26 21:09:33,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:09:33,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:09:33,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:33,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 260 states and 362 transitions. [2018-10-26 21:09:33,784 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 362 transitions. [2018-10-26 21:09:33,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 21:09:33,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:09:34,522 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-10-26 21:09:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 271 states and 379 transitions. [2018-10-26 21:09:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 379 transitions. [2018-10-26 21:09:34,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-26 21:09:34,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:09:35,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:35,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 276 states and 384 transitions. [2018-10-26 21:09:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 384 transitions. [2018-10-26 21:09:35,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:09:35,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:09:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 288 states and 407 transitions. [2018-10-26 21:09:36,080 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 407 transitions. [2018-10-26 21:09:36,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:09:36,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:36,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:36,142 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:09:36,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:36,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 290 states and 410 transitions. [2018-10-26 21:09:36,663 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 410 transitions. [2018-10-26 21:09:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:09:36,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:09:37,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 293 states and 414 transitions. [2018-10-26 21:09:37,103 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 414 transitions. [2018-10-26 21:09:37,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:09:37,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:37,148 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:09:37,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:37,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 297 states and 418 transitions. [2018-10-26 21:09:37,301 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 418 transitions. [2018-10-26 21:09:37,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:09:37,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:09:37,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:37,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 301 states and 422 transitions. [2018-10-26 21:09:37,441 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 422 transitions. [2018-10-26 21:09:37,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:09:37,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:37,475 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:09:38,279 WARN L179 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2018-10-26 21:09:38,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 305 states and 426 transitions. [2018-10-26 21:09:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 426 transitions. [2018-10-26 21:09:38,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 21:09:38,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:09:38,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 311 states and 432 transitions. [2018-10-26 21:09:38,833 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 432 transitions. [2018-10-26 21:09:38,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-10-26 21:09:38,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:38,862 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:09:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 313 states and 434 transitions. [2018-10-26 21:09:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 434 transitions. [2018-10-26 21:09:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 21:09:39,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:09:39,746 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-26 21:09:40,867 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-26 21:09:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 319 states and 443 transitions. [2018-10-26 21:09:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 443 transitions. [2018-10-26 21:09:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 21:09:41,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:09:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:41,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 322 states and 446 transitions. [2018-10-26 21:09:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 446 transitions. [2018-10-26 21:09:41,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-10-26 21:09:41,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:09:42,322 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 21:09:42,790 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:09:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 326 states and 452 transitions. [2018-10-26 21:09:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 452 transitions. [2018-10-26 21:09:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 21:09:43,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:43,472 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:09:43,634 WARN L179 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 21:09:43,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 331 states and 457 transitions. [2018-10-26 21:09:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 457 transitions. [2018-10-26 21:09:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 21:09:43,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:44,098 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:09:45,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:45,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 337 states and 467 transitions. [2018-10-26 21:09:45,829 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 467 transitions. [2018-10-26 21:09:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 21:09:45,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:09:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 338 states and 467 transitions. [2018-10-26 21:09:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 467 transitions. [2018-10-26 21:09:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 21:09:46,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:09:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 352 states and 481 transitions. [2018-10-26 21:09:46,397 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 481 transitions. [2018-10-26 21:09:46,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 21:09:46,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:46,685 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:09:49,270 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-10-26 21:09:50,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 398 states and 531 transitions. [2018-10-26 21:09:50,311 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 531 transitions. [2018-10-26 21:09:50,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 21:09:50,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:09:51,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:51,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 407 states and 541 transitions. [2018-10-26 21:09:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 541 transitions. [2018-10-26 21:09:51,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-26 21:09:51,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:51,317 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:09:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:51,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 414 states and 549 transitions. [2018-10-26 21:09:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 549 transitions. [2018-10-26 21:09:51,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 21:09:51,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:09:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:53,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 428 states and 565 transitions. [2018-10-26 21:09:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 565 transitions. [2018-10-26 21:09:53,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 21:09:53,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:53,227 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:09:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:53,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 431 states and 568 transitions. [2018-10-26 21:09:53,838 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 568 transitions. [2018-10-26 21:09:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 21:09:53,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:09:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 445 states and 584 transitions. [2018-10-26 21:09:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 584 transitions. [2018-10-26 21:09:55,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 21:09:55,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:56,016 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:09:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 469 states and 614 transitions. [2018-10-26 21:09:57,059 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 614 transitions. [2018-10-26 21:09:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 21:09:57,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:57,110 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:09:58,015 WARN L179 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-10-26 21:09:58,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 473 states and 619 transitions. [2018-10-26 21:09:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 619 transitions. [2018-10-26 21:09:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 21:09:58,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:58,253 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:09:58,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:58,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 477 states and 624 transitions. [2018-10-26 21:09:58,509 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 624 transitions. [2018-10-26 21:09:58,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 21:09:58,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:58,568 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-10-26 21:09:59,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:09:59,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 479 states and 625 transitions. [2018-10-26 21:09:59,091 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 625 transitions. [2018-10-26 21:09:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-26 21:09:59,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:09:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:09:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:01,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:01,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 544 states and 692 transitions. [2018-10-26 21:10:01,233 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 692 transitions. [2018-10-26 21:10:01,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 21:10:01,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:01,323 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 21:10:01,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:01,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 545 states and 692 transitions. [2018-10-26 21:10:01,452 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 692 transitions. [2018-10-26 21:10:01,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:10:01,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:04,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 607 states and 766 transitions. [2018-10-26 21:10:04,391 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 766 transitions. [2018-10-26 21:10:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:10:04,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:04,528 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:05,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 615 states and 775 transitions. [2018-10-26 21:10:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 775 transitions. [2018-10-26 21:10:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:10:05,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:05,183 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:06,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 619 states and 780 transitions. [2018-10-26 21:10:06,154 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 780 transitions. [2018-10-26 21:10:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 21:10:06,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:06,627 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 689 states and 855 transitions. [2018-10-26 21:10:07,608 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 855 transitions. [2018-10-26 21:10:07,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-10-26 21:10:07,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-10-26 21:10:07,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 690 states and 855 transitions. [2018-10-26 21:10:07,739 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 855 transitions. [2018-10-26 21:10:07,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 21:10:07,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:08,011 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 104 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 21:10:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:08,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 699 states and 869 transitions. [2018-10-26 21:10:08,924 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 869 transitions. [2018-10-26 21:10:08,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-10-26 21:10:08,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:09,499 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 104 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 21:10:10,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 706 states and 876 transitions. [2018-10-26 21:10:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 876 transitions. [2018-10-26 21:10:10,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 21:10:10,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 21:10:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:10,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 708 states and 878 transitions. [2018-10-26 21:10:10,266 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 878 transitions. [2018-10-26 21:10:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 21:10:10,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:11,009 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 27 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 21:10:13,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 734 states and 911 transitions. [2018-10-26 21:10:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 911 transitions. [2018-10-26 21:10:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 21:10:13,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 27 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 21:10:14,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:14,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 747 states and 924 transitions. [2018-10-26 21:10:14,295 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 924 transitions. [2018-10-26 21:10:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 21:10:14,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 147 proven. 27 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-10-26 21:10:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 750 states and 928 transitions. [2018-10-26 21:10:15,044 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 928 transitions. [2018-10-26 21:10:15,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-26 21:10:15,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:15,091 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-10-26 21:10:16,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 761 states and 943 transitions. [2018-10-26 21:10:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 943 transitions. [2018-10-26 21:10:16,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-10-26 21:10:16,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 110 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-10-26 21:10:18,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:18,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 780 states and 970 transitions. [2018-10-26 21:10:18,408 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 970 transitions. [2018-10-26 21:10:18,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 21:10:18,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:18,506 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-26 21:10:19,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:19,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 782 states and 972 transitions. [2018-10-26 21:10:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 972 transitions. [2018-10-26 21:10:19,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 21:10:19,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:25,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 852 states and 1061 transitions. [2018-10-26 21:10:25,886 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1061 transitions. [2018-10-26 21:10:25,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 21:10:25,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 876 states and 1089 transitions. [2018-10-26 21:10:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1089 transitions. [2018-10-26 21:10:28,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 21:10:28,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 885 states and 1099 transitions. [2018-10-26 21:10:30,633 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1099 transitions. [2018-10-26 21:10:30,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 21:10:30,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:30,790 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 888 states and 1102 transitions. [2018-10-26 21:10:31,861 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1102 transitions. [2018-10-26 21:10:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 21:10:31,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:32,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:32,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 893 states and 1107 transitions. [2018-10-26 21:10:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1107 transitions. [2018-10-26 21:10:32,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 21:10:32,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:32,803 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 127 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-26 21:10:34,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:34,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 966 states and 1189 transitions. [2018-10-26 21:10:34,751 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1189 transitions. [2018-10-26 21:10:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 21:10:34,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:35,253 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-26 21:10:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 976 states and 1209 transitions. [2018-10-26 21:10:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1209 transitions. [2018-10-26 21:10:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 21:10:37,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:38,172 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-26 21:10:40,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:40,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 983 states and 1219 transitions. [2018-10-26 21:10:40,089 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1219 transitions. [2018-10-26 21:10:40,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 21:10:40,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:40,556 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:10:41,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:41,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1029 states and 1271 transitions. [2018-10-26 21:10:41,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1271 transitions. [2018-10-26 21:10:41,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 21:10:41,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-10-26 21:10:43,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:43,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1032 states and 1275 transitions. [2018-10-26 21:10:43,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1275 transitions. [2018-10-26 21:10:43,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-26 21:10:43,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:43,679 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:10:44,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:44,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1035 states and 1279 transitions. [2018-10-26 21:10:44,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1279 transitions. [2018-10-26 21:10:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 21:10:44,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:46,046 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:48,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:48,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1051 states and 1301 transitions. [2018-10-26 21:10:48,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 1301 transitions. [2018-10-26 21:10:48,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 21:10:48,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:48,771 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:10:49,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1062 states and 1313 transitions. [2018-10-26 21:10:49,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1313 transitions. [2018-10-26 21:10:49,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 21:10:49,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:50,652 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:10:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1103 states and 1361 transitions. [2018-10-26 21:10:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1361 transitions. [2018-10-26 21:10:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 21:10:54,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:10:56,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:56,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1122 states and 1383 transitions. [2018-10-26 21:10:56,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1383 transitions. [2018-10-26 21:10:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 21:10:56,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:10:56,831 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:10:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:10:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1139 states and 1403 transitions. [2018-10-26 21:10:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1403 transitions. [2018-10-26 21:10:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-10-26 21:10:59,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:10:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:11:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1144 states and 1408 transitions. [2018-10-26 21:11:00,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1408 transitions. [2018-10-26 21:11:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-26 21:11:00,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-26 21:11:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:01,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1175 states and 1441 transitions. [2018-10-26 21:11:01,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1441 transitions. [2018-10-26 21:11:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-26 21:11:01,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 21:11:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1246 states and 1515 transitions. [2018-10-26 21:11:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1515 transitions. [2018-10-26 21:11:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 21:11:03,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-26 21:11:05,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1271 states and 1543 transitions. [2018-10-26 21:11:05,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1543 transitions. [2018-10-26 21:11:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 21:11:05,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 21:11:10,428 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-10-26 21:11:12,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:12,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1300 states and 1577 transitions. [2018-10-26 21:11:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1577 transitions. [2018-10-26 21:11:12,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 21:11:12,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 21:11:13,221 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2018-10-26 21:11:13,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1302 states and 1579 transitions. [2018-10-26 21:11:13,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1579 transitions. [2018-10-26 21:11:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 21:11:13,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 21:11:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1319 states and 1597 transitions. [2018-10-26 21:11:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1597 transitions. [2018-10-26 21:11:15,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-10-26 21:11:15,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-26 21:11:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:16,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1324 states and 1601 transitions. [2018-10-26 21:11:16,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1601 transitions. [2018-10-26 21:11:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-10-26 21:11:16,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:17,288 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 206 proven. 5 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-10-26 21:11:18,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1400 states and 1687 transitions. [2018-10-26 21:11:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1687 transitions. [2018-10-26 21:11:18,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-26 21:11:18,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:11:23,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:23,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1419 states and 1711 transitions. [2018-10-26 21:11:23,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1711 transitions. [2018-10-26 21:11:23,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-26 21:11:23,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:11:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:24,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1423 states and 1716 transitions. [2018-10-26 21:11:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1716 transitions. [2018-10-26 21:11:24,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 21:11:24,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:25,928 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:11:29,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:29,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1438 states and 1739 transitions. [2018-10-26 21:11:29,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1739 transitions. [2018-10-26 21:11:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-26 21:11:29,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:29,810 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:11:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:32,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1454 states and 1754 transitions. [2018-10-26 21:11:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1754 transitions. [2018-10-26 21:11:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 21:11:32,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:34,510 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:11:39,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:39,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1472 states and 1780 transitions. [2018-10-26 21:11:39,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1780 transitions. [2018-10-26 21:11:39,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 21:11:39,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:11:41,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:41,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1486 states and 1796 transitions. [2018-10-26 21:11:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1796 transitions. [2018-10-26 21:11:41,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-26 21:11:41,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:42,280 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:11:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1495 states and 1804 transitions. [2018-10-26 21:11:43,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1804 transitions. [2018-10-26 21:11:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-10-26 21:11:43,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:46,101 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:11:55,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:55,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1548 states and 1863 transitions. [2018-10-26 21:11:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1863 transitions. [2018-10-26 21:11:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-10-26 21:11:55,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:11:57,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:57,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 1552 states and 1868 transitions. [2018-10-26 21:11:57,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1868 transitions. [2018-10-26 21:11:57,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-26 21:11:57,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:58,102 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-10-26 21:11:58,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:11:58,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 1553 states and 1869 transitions. [2018-10-26 21:11:58,658 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1869 transitions. [2018-10-26 21:11:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-26 21:11:58,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:11:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:11:59,153 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-10-26 21:12:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 1557 states and 1873 transitions. [2018-10-26 21:12:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1873 transitions. [2018-10-26 21:12:00,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-26 21:12:00,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:02,220 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:12:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1588 states and 1910 transitions. [2018-10-26 21:12:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1910 transitions. [2018-10-26 21:12:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-26 21:12:09,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:12:12,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:12,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1597 states and 1921 transitions. [2018-10-26 21:12:12,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1921 transitions. [2018-10-26 21:12:12,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-26 21:12:12,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:12,712 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-26 21:12:15,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:15,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1614 states and 1937 transitions. [2018-10-26 21:12:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 1937 transitions. [2018-10-26 21:12:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-26 21:12:15,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:12:22,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1623 states and 1953 transitions. [2018-10-26 21:12:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 1953 transitions. [2018-10-26 21:12:22,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-26 21:12:22,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:12:27,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1634 states and 1970 transitions. [2018-10-26 21:12:27,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 1970 transitions. [2018-10-26 21:12:27,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-26 21:12:27,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:27,546 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-26 21:12:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:29,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1638 states and 1973 transitions. [2018-10-26 21:12:29,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1973 transitions. [2018-10-26 21:12:29,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-26 21:12:29,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 251 proven. 10 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-10-26 21:12:33,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:33,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1640 states and 1978 transitions. [2018-10-26 21:12:33,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 1978 transitions. [2018-10-26 21:12:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-26 21:12:33,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-26 21:12:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1642 states and 1980 transitions. [2018-10-26 21:12:34,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 1980 transitions. [2018-10-26 21:12:34,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-26 21:12:34,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:34,294 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 292 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-10-26 21:12:34,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:34,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1648 states and 1987 transitions. [2018-10-26 21:12:34,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1987 transitions. [2018-10-26 21:12:34,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-10-26 21:12:34,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:34,752 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-10-26 21:12:35,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 1676 states and 2021 transitions. [2018-10-26 21:12:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2021 transitions. [2018-10-26 21:12:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-26 21:12:35,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 507 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-26 21:12:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:56,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1835 states and 2219 transitions. [2018-10-26 21:12:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2219 transitions. [2018-10-26 21:12:56,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-10-26 21:12:56,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:12:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:12:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 438 proven. 10 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2018-10-26 21:12:59,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:12:59,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 1695 states and 2074 transitions. [2018-10-26 21:12:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2074 transitions. [2018-10-26 21:12:59,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:12:59,295 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 97 iterations. [2018-10-26 21:12:59,305 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:12:59,468 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 29 [2018-10-26 21:12:59,694 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-10-26 21:12:59,935 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 33 [2018-10-26 21:13:00,104 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2018-10-26 21:13:00,329 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 25 [2018-10-26 21:13:00,509 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 35 [2018-10-26 21:13:00,695 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-10-26 21:13:00,865 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 25 [2018-10-26 21:13:00,985 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2018-10-26 21:13:01,172 WARN L179 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 35 [2018-10-26 21:13:01,382 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 35 [2018-10-26 21:13:01,529 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 35 [2018-10-26 21:13:01,744 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 30 [2018-10-26 21:13:01,969 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2018-10-26 21:13:02,181 WARN L179 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 29 [2018-10-26 21:13:02,336 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2018-10-26 21:13:02,464 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2018-10-26 21:13:03,193 WARN L179 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 25 [2018-10-26 21:13:03,480 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2018-10-26 21:13:03,867 WARN L179 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 35 [2018-10-26 21:13:04,078 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2018-10-26 21:13:04,240 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2018-10-26 21:13:04,357 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 32 [2018-10-26 21:13:04,662 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 25 [2018-10-26 21:13:04,775 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 29 [2018-10-26 21:13:05,302 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 35 [2018-10-26 21:13:05,690 WARN L179 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 50 [2018-10-26 21:13:06,020 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 33 [2018-10-26 21:13:06,406 WARN L179 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 33 [2018-10-26 21:13:06,546 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 33 [2018-10-26 21:13:06,663 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2018-10-26 21:13:06,904 WARN L179 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-10-26 21:13:06,904 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:13:06,907 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-26 21:13:06,915 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-26 21:13:06,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:13:06 ImpRootNode [2018-10-26 21:13:06,916 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:13:06,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:13:06,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:13:06,917 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:13:06,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:09:29" (3/4) ... [2018-10-26 21:13:06,923 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:13:06,944 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-26 21:13:06,945 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-26 21:13:06,946 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-26 21:13:06,948 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 21:13:07,091 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2bac6751-0c63-4e22-a57a-9fa05332b353/bin-2019/ukojak/witness.graphml [2018-10-26 21:13:07,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:13:07,092 INFO L168 Benchmark]: Toolchain (without parser) took 224123.53 ms. Allocated memory was 1.0 GB in the beginning and 3.6 GB in the end (delta: 2.5 GB). Free memory was 957.1 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 356.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:13:07,093 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:13:07,093 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.50 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 927.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:13:07,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.04 ms. Allocated memory is still 1.0 GB. Free memory was 927.6 MB in the beginning and 919.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:13:07,097 INFO L168 Benchmark]: Boogie Preprocessor took 203.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 919.5 MB in the beginning and 1.2 GB in the end (delta: -255.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:13:07,097 INFO L168 Benchmark]: RCFGBuilder took 5256.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 946.4 MB in the end (delta: 229.0 MB). Peak memory consumption was 229.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:13:07,097 INFO L168 Benchmark]: CodeCheck took 217793.46 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 946.4 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-10-26 21:13:07,098 INFO L168 Benchmark]: Witness Printer took 174.77 ms. Allocated memory is still 3.6 GB. Free memory is still 3.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:13:07,102 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 199 locations, 1 error locations. SAFE Result, 210.1s OverallTime, 97 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2047124660 SDtfs, -948631034 SDslu, 826476442 SDs, 0 SdLazy, -535683384 SolverSat, -822577564 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 578.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116495 GetRequests, 111614 SyntacticMatches, 3601 SemanticMatches, 1280 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1130891 ImplicationChecksByTransitivity, 183.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 36.0s InterpolantComputationTime, 17779 NumberOfCodeBlocks, 17779 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 17683 ConstructedInterpolants, 0 QuantifiedInterpolants, 26920831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 96 InterpolantComputations, 66 PerfectInterpolantSequences, 19887/20665 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 476]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || !(a7 == 1)) || a20 == 1) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || a20 == 1) || ((((!(a21 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0)) || !(a7 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 594.50 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 927.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.04 ms. Allocated memory is still 1.0 GB. Free memory was 927.6 MB in the beginning and 919.5 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 203.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 190.3 MB). Free memory was 919.5 MB in the beginning and 1.2 GB in the end (delta: -255.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5256.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 946.4 MB in the end (delta: 229.0 MB). Peak memory consumption was 229.0 MB. Max. memory is 11.5 GB. * CodeCheck took 217793.46 ms. Allocated memory was 1.2 GB in the beginning and 3.6 GB in the end (delta: 2.4 GB). Free memory was 946.4 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. * Witness Printer took 174.77 ms. Allocated memory is still 3.6 GB. Free memory is still 3.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...