./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/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 cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 15:17:47,205 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:17:47,207 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:17:47,214 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:17:47,214 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:17:47,215 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:17:47,216 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:17:47,217 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:17:47,218 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:17:47,218 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:17:47,219 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:17:47,219 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:17:47,220 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:17:47,220 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:17:47,221 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:17:47,221 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:17:47,222 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:17:47,223 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:17:47,224 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:17:47,225 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:17:47,225 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:17:47,226 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:17:47,227 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:17:47,227 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:17:47,227 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:17:47,228 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:17:47,229 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:17:47,229 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:17:47,230 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:17:47,231 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:17:47,231 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:17:47,231 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:17:47,232 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:17:47,232 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:17:47,232 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:17:47,233 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:17:47,233 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 15:17:47,241 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:17:47,241 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:17:47,241 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 15:17:47,242 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 15:17:47,242 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:17:47,242 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:17:47,242 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:17:47,242 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:17:47,243 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:17:47,243 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:17:47,243 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:17:47,243 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 15:17:47,243 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 15:17:47,243 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 15:17:47,243 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:17:47,244 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:17:47,244 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:17:47,244 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 15:17:47,244 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 15:17:47,244 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 15:17:47,244 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:17:47,244 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 15:17:47,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:17:47,245 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:17:47,245 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 15:17:47,245 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 15:17:47,245 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 15:17:47,245 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 15:17:47,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 15:17:47,245 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_1604df14-6fde-4ad9-84df-2c5d4c51f48f/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 -> cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 [2018-11-23 15:17:47,269 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:17:47,278 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:17:47,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:17:47,282 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:17:47,282 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:17:47,282 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-23 15:17:47,322 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/data/ef22005ca/4069097907b14a618c897a327185bb82/FLAG1e5c8aa8b [2018-11-23 15:17:47,763 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:17:47,764 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/sv-benchmarks/c/eca-rers2012/Problem01_label06_true-unreach-call_false-termination.c [2018-11-23 15:17:47,772 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/data/ef22005ca/4069097907b14a618c897a327185bb82/FLAG1e5c8aa8b [2018-11-23 15:17:47,784 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/data/ef22005ca/4069097907b14a618c897a327185bb82 [2018-11-23 15:17:47,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:17:47,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:17:47,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:17:47,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:17:47,792 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:17:47,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:47" (1/1) ... [2018-11-23 15:17:47,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4007e260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:47, skipping insertion in model container [2018-11-23 15:17:47,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:17:47" (1/1) ... [2018-11-23 15:17:47,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:17:47,837 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:17:48,090 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:17:48,093 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:17:48,156 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:17:48,171 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:17:48,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:48 WrapperNode [2018-11-23 15:17:48,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:17:48,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:17:48,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:17:48,172 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:17:48,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:48" (1/1) ... [2018-11-23 15:17:48,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:48" (1/1) ... [2018-11-23 15:17:48,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:17:48,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:17:48,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:17:48,276 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:17:48,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:48" (1/1) ... [2018-11-23 15:17:48,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:48" (1/1) ... [2018-11-23 15:17:48,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:48" (1/1) ... [2018-11-23 15:17:48,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:48" (1/1) ... [2018-11-23 15:17:48,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:48" (1/1) ... [2018-11-23 15:17:48,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:48" (1/1) ... [2018-11-23 15:17:48,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:48" (1/1) ... [2018-11-23 15:17:48,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:17:48,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:17:48,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:17:48,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:17:48,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:17:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 15:17:48,372 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 15:17:48,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:17:48,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:17:49,648 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:17:49,648 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 15:17:49,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:49 BoogieIcfgContainer [2018-11-23 15:17:49,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:17:49,649 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 15:17:49,649 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 15:17:49,657 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 15:17:49,658 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:49" (1/1) ... [2018-11-23 15:17:49,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:17:49,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-11-23 15:17:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-11-23 15:17:49,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 15:17:49,697 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:17:50,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:50,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-11-23 15:17:50,329 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-11-23 15:17:50,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-23 15:17:50,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:50,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:17:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-11-23 15:17:50,514 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-11-23 15:17:50,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 15:17:50,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:17:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-11-23 15:17:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-11-23 15:17:50,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 15:17:50,636 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:50,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:17:51,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 227 states and 319 transitions. [2018-11-23 15:17:51,175 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 319 transitions. [2018-11-23 15:17:51,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 15:17:51,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:17:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:51,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 260 states and 358 transitions. [2018-11-23 15:17:51,617 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 358 transitions. [2018-11-23 15:17:51,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-23 15:17:51,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:51,750 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 15:17:52,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:52,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 270 states and 375 transitions. [2018-11-23 15:17:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 375 transitions. [2018-11-23 15:17:52,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 15:17:52,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:17:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:52,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 281 states and 393 transitions. [2018-11-23 15:17:52,632 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 393 transitions. [2018-11-23 15:17:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 15:17:52,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:17:52,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:52,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 284 states and 398 transitions. [2018-11-23 15:17:52,741 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 398 transitions. [2018-11-23 15:17:52,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 15:17:52,741 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:52,768 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:17:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:52,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 286 states and 400 transitions. [2018-11-23 15:17:52,866 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 400 transitions. [2018-11-23 15:17:52,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 15:17:52,867 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:17:53,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:53,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 289 states and 403 transitions. [2018-11-23 15:17:53,137 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 403 transitions. [2018-11-23 15:17:53,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 15:17:53,137 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:17:53,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 292 states and 406 transitions. [2018-11-23 15:17:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 406 transitions. [2018-11-23 15:17:53,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-23 15:17:53,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:53,346 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:17:53,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:53,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 331 states and 449 transitions. [2018-11-23 15:17:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 449 transitions. [2018-11-23 15:17:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 15:17:53,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:53,744 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:17:53,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:53,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 345 states and 465 transitions. [2018-11-23 15:17:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 465 transitions. [2018-11-23 15:17:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 15:17:53,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:53,935 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 15:17:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 351 states and 473 transitions. [2018-11-23 15:17:54,204 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 473 transitions. [2018-11-23 15:17:54,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-23 15:17:54,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 15:17:54,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:54,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 354 states and 476 transitions. [2018-11-23 15:17:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 476 transitions. [2018-11-23 15:17:54,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-23 15:17:54,434 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:17:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:54,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 361 states and 485 transitions. [2018-11-23 15:17:54,566 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 485 transitions. [2018-11-23 15:17:54,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-23 15:17:54,567 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 15:17:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 366 states and 492 transitions. [2018-11-23 15:17:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 492 transitions. [2018-11-23 15:17:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 15:17:54,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:55,013 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:17:55,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:55,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 409 states and 542 transitions. [2018-11-23 15:17:55,363 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 542 transitions. [2018-11-23 15:17:55,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-23 15:17:55,365 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:55,398 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:17:55,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 416 states and 551 transitions. [2018-11-23 15:17:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 551 transitions. [2018-11-23 15:17:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 15:17:55,438 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:17:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 425 states and 564 transitions. [2018-11-23 15:17:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 564 transitions. [2018-11-23 15:17:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 15:17:55,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:55,880 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:17:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:56,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 428 states and 568 transitions. [2018-11-23 15:17:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 568 transitions. [2018-11-23 15:17:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-23 15:17:56,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:56,083 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 15:17:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:56,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 430 states and 569 transitions. [2018-11-23 15:17:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 569 transitions. [2018-11-23 15:17:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-23 15:17:56,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:56,244 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 15:17:56,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:56,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 434 states and 573 transitions. [2018-11-23 15:17:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 573 transitions. [2018-11-23 15:17:56,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-23 15:17:56,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:56,487 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 15:17:56,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 452 states and 595 transitions. [2018-11-23 15:17:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 595 transitions. [2018-11-23 15:17:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-23 15:17:56,850 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:57,100 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:17:58,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:58,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 517 states and 662 transitions. [2018-11-23 15:17:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 662 transitions. [2018-11-23 15:17:58,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 15:17:58,234 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:58,545 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 15:17:59,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 539 states and 694 transitions. [2018-11-23 15:17:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 694 transitions. [2018-11-23 15:17:59,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 15:17:59,552 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 15:17:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:17:59,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 540 states and 694 transitions. [2018-11-23 15:17:59,822 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 694 transitions. [2018-11-23 15:17:59,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 15:17:59,823 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:17:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:17:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 15:18:00,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:00,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 544 states and 698 transitions. [2018-11-23 15:18:00,141 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 698 transitions. [2018-11-23 15:18:00,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 15:18:00,142 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 15:18:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 548 states and 701 transitions. [2018-11-23 15:18:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 701 transitions. [2018-11-23 15:18:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 15:18:00,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:00,335 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-23 15:18:01,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:01,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 556 states and 713 transitions. [2018-11-23 15:18:01,017 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 713 transitions. [2018-11-23 15:18:01,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 15:18:01,018 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:18:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:02,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 611 states and 781 transitions. [2018-11-23 15:18:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 781 transitions. [2018-11-23 15:18:02,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 15:18:02,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:02,934 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:18:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 629 states and 798 transitions. [2018-11-23 15:18:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 798 transitions. [2018-11-23 15:18:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 15:18:03,459 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:03,496 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 15:18:03,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 647 states and 816 transitions. [2018-11-23 15:18:03,555 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 816 transitions. [2018-11-23 15:18:03,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 15:18:03,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 15:18:03,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:03,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 654 states and 826 transitions. [2018-11-23 15:18:03,969 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 826 transitions. [2018-11-23 15:18:03,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 15:18:03,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 15:18:04,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:04,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 655 states and 827 transitions. [2018-11-23 15:18:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 827 transitions. [2018-11-23 15:18:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 15:18:04,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:04,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 15:18:04,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:04,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 656 states and 827 transitions. [2018-11-23 15:18:04,150 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 827 transitions. [2018-11-23 15:18:04,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 15:18:04,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 15:18:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:05,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 667 states and 842 transitions. [2018-11-23 15:18:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 842 transitions. [2018-11-23 15:18:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 15:18:05,180 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:05,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:05,208 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:18:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:05,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 710 states and 887 transitions. [2018-11-23 15:18:05,647 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 887 transitions. [2018-11-23 15:18:05,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-23 15:18:05,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:05,693 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:18:05,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:05,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 714 states and 891 transitions. [2018-11-23 15:18:05,843 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 891 transitions. [2018-11-23 15:18:05,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 15:18:05,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-23 15:18:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:06,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 788 states and 971 transitions. [2018-11-23 15:18:06,605 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 971 transitions. [2018-11-23 15:18:06,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-23 15:18:06,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-11-23 15:18:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:06,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 815 states and 1004 transitions. [2018-11-23 15:18:06,879 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1004 transitions. [2018-11-23 15:18:06,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 15:18:06,879 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 15:18:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:07,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 817 states and 1006 transitions. [2018-11-23 15:18:07,043 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1006 transitions. [2018-11-23 15:18:07,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 15:18:07,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:07,079 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 15:18:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:07,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 818 states and 1006 transitions. [2018-11-23 15:18:07,218 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1006 transitions. [2018-11-23 15:18:07,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 15:18:07,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 141 proven. 70 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 15:18:09,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 889 states and 1098 transitions. [2018-11-23 15:18:09,614 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1098 transitions. [2018-11-23 15:18:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 15:18:09,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:09,880 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 141 proven. 70 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-23 15:18:11,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 916 states and 1125 transitions. [2018-11-23 15:18:11,145 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1125 transitions. [2018-11-23 15:18:11,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 15:18:11,146 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 133 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 15:18:11,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:11,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 945 states and 1155 transitions. [2018-11-23 15:18:11,381 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1155 transitions. [2018-11-23 15:18:11,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-23 15:18:11,382 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:11,450 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 133 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 15:18:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 948 states and 1157 transitions. [2018-11-23 15:18:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1157 transitions. [2018-11-23 15:18:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 15:18:11,634 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:18:13,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:13,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 993 states and 1218 transitions. [2018-11-23 15:18:13,020 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1218 transitions. [2018-11-23 15:18:13,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 15:18:13,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:18:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1007 states and 1238 transitions. [2018-11-23 15:18:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1238 transitions. [2018-11-23 15:18:13,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 15:18:13,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:13,468 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:18:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:13,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1008 states and 1238 transitions. [2018-11-23 15:18:13,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1238 transitions. [2018-11-23 15:18:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 15:18:13,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-23 15:18:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1009 states and 1238 transitions. [2018-11-23 15:18:13,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1238 transitions. [2018-11-23 15:18:13,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-11-23 15:18:13,799 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 135 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 15:18:15,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:15,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1028 states and 1267 transitions. [2018-11-23 15:18:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1267 transitions. [2018-11-23 15:18:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 15:18:15,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-23 15:18:15,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1048 states and 1290 transitions. [2018-11-23 15:18:15,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1290 transitions. [2018-11-23 15:18:15,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-11-23 15:18:15,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-23 15:18:15,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:15,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1052 states and 1293 transitions. [2018-11-23 15:18:15,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1293 transitions. [2018-11-23 15:18:15,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-23 15:18:15,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-11-23 15:18:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1054 states and 1295 transitions. [2018-11-23 15:18:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1295 transitions. [2018-11-23 15:18:16,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-11-23 15:18:16,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 150 proven. 3 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-23 15:18:17,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1124 states and 1370 transitions. [2018-11-23 15:18:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1370 transitions. [2018-11-23 15:18:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-23 15:18:17,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:17,668 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-23 15:18:19,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1131 states and 1382 transitions. [2018-11-23 15:18:19,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1382 transitions. [2018-11-23 15:18:19,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-23 15:18:19,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 15:18:19,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:19,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1134 states and 1385 transitions. [2018-11-23 15:18:19,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1385 transitions. [2018-11-23 15:18:19,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 15:18:19,483 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:20,372 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 235 proven. 41 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 15:18:22,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1185 states and 1447 transitions. [2018-11-23 15:18:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1447 transitions. [2018-11-23 15:18:22,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-11-23 15:18:22,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:23,067 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 235 proven. 41 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 15:18:24,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:24,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1194 states and 1456 transitions. [2018-11-23 15:18:24,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1456 transitions. [2018-11-23 15:18:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 15:18:24,069 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:24,145 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 15:18:24,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:24,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1237 states and 1503 transitions. [2018-11-23 15:18:24,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1503 transitions. [2018-11-23 15:18:24,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 15:18:24,809 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:24,890 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-23 15:18:25,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1240 states and 1506 transitions. [2018-11-23 15:18:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1506 transitions. [2018-11-23 15:18:25,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-11-23 15:18:25,079 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-23 15:18:29,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:29,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1292 states and 1568 transitions. [2018-11-23 15:18:29,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1568 transitions. [2018-11-23 15:18:29,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-23 15:18:29,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-23 15:18:29,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:29,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1362 states and 1641 transitions. [2018-11-23 15:18:29,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1641 transitions. [2018-11-23 15:18:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-23 15:18:29,965 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-11-23 15:18:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:30,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1366 states and 1644 transitions. [2018-11-23 15:18:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1644 transitions. [2018-11-23 15:18:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-23 15:18:30,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 15:18:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 15:18:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 15:18:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 15:18:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1351 states and 1658 transitions. [2018-11-23 15:18:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1658 transitions. [2018-11-23 15:18:39,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 15:18:39,089 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2018-11-23 15:18:39,096 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 15:18:42,528 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 15:18:42,530 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-23 15:18:42,535 INFO L579 CodeCheckObserver]: Invariant with dag size 26 [2018-11-23 15:18:42,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:18:42 ImpRootNode [2018-11-23 15:18:42,536 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 15:18:42,536 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:18:42,536 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:18:42,536 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:18:42,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:49" (3/4) ... [2018-11-23 15:18:42,539 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 15:18:42,551 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-11-23 15:18:42,552 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-23 15:18:42,552 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 15:18:42,553 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 15:18:42,642 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1604df14-6fde-4ad9-84df-2c5d4c51f48f/bin-2019/ukojak/witness.graphml [2018-11-23 15:18:42,642 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:18:42,643 INFO L168 Benchmark]: Toolchain (without parser) took 54855.63 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 955.4 MB in the beginning and 1.6 GB in the end (delta: -669.1 MB). Peak memory consumption was 812.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:18:42,644 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:18:42,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.93 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 916.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 15:18:42,644 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 916.7 MB in the beginning and 1.1 GB in the end (delta: -221.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:18:42,645 INFO L168 Benchmark]: Boogie Preprocessor took 42.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:18:42,645 INFO L168 Benchmark]: RCFGBuilder took 1331.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.3 MB in the end (delta: 225.1 MB). Peak memory consumption was 225.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:18:42,645 INFO L168 Benchmark]: CodeCheck took 52886.29 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 898.3 MB in the beginning and 1.7 GB in the end (delta: -758.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 15:18:42,646 INFO L168 Benchmark]: Witness Printer took 106.25 ms. Allocated memory is still 2.5 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 15:18:42,647 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, 198 locations, 1 error locations. SAFE Result, 49.4s OverallTime, 67 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1441786496 SDtfs, -910485070 SDslu, 2120260196 SDs, 0 SdLazy, 477153798 SolverSat, -1253632012 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 118.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70898 GetRequests, 69092 SyntacticMatches, 1008 SemanticMatches, 798 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 405219 ImplicationChecksByTransitivity, 40.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 10511 NumberOfCodeBlocks, 10511 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 10445 ConstructedInterpolants, 0 QuantifiedInterpolants, 6845738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 52 PerfectInterpolantSequences, 9678/9937 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: 548]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a8 == 15 || !(a17 == 1)) || a20 == 1) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a8 == 15 || !(a17 == 1)) || a20 == 1) || (((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.93 ms. Allocated memory is still 1.0 GB. Free memory was 954.3 MB in the beginning and 916.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 916.7 MB in the beginning and 1.1 GB in the end (delta: -221.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1331.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.3 MB in the end (delta: 225.1 MB). Peak memory consumption was 225.1 MB. Max. memory is 11.5 GB. * CodeCheck took 52886.29 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 898.3 MB in the beginning and 1.7 GB in the end (delta: -758.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 106.25 ms. Allocated memory is still 2.5 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...