./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7d00aad8dfdafc20547a229a92ab2c2bdb101f8c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 13:47:32,268 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 13:47:32,269 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 13:47:32,276 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 13:47:32,277 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 13:47:32,277 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 13:47:32,278 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 13:47:32,279 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 13:47:32,280 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 13:47:32,281 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 13:47:32,281 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 13:47:32,281 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 13:47:32,282 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 13:47:32,283 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 13:47:32,284 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 13:47:32,284 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 13:47:32,285 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 13:47:32,286 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 13:47:32,287 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 13:47:32,288 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 13:47:32,289 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 13:47:32,290 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 13:47:32,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 13:47:32,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 13:47:32,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 13:47:32,293 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 13:47:32,293 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 13:47:32,294 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 13:47:32,294 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 13:47:32,295 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 13:47:32,295 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 13:47:32,296 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 13:47:32,296 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 13:47:32,296 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 13:47:32,296 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 13:47:32,297 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 13:47:32,297 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-01 13:47:32,306 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 13:47:32,307 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 13:47:32,307 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 13:47:32,307 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 13:47:32,308 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 13:47:32,308 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 13:47:32,308 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 13:47:32,308 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 13:47:32,308 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 13:47:32,308 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 13:47:32,308 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-01 13:47:32,309 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-01 13:47:32,309 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-01 13:47:32,309 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 13:47:32,309 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 13:47:32,309 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 13:47:32,309 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 13:47:32,310 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 13:47:32,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 13:47:32,310 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 13:47:32,310 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 13:47:32,310 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 13:47:32,310 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 13:47:32,310 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 13:47:32,311 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 13:47:32,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_7a692af5-1854-43df-806c-00ae71b7387b/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 7d00aad8dfdafc20547a229a92ab2c2bdb101f8c [2018-12-01 13:47:32,332 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 13:47:32,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 13:47:32,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 13:47:32,346 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 13:47:32,346 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 13:47:32,346 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-12-01 13:47:32,384 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak/data/63266a448/dc164d3370d34e1ba0cbd6d9f53071d7/FLAG8e5526202 [2018-12-01 13:47:32,781 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 13:47:32,782 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/sv-benchmarks/c/array-memsafety/openbsd_cstrlcpy-alloca_true-valid-memsafety_true-termination.i [2018-12-01 13:47:32,788 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak/data/63266a448/dc164d3370d34e1ba0cbd6d9f53071d7/FLAG8e5526202 [2018-12-01 13:47:32,796 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak/data/63266a448/dc164d3370d34e1ba0cbd6d9f53071d7 [2018-12-01 13:47:32,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 13:47:32,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 13:47:32,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 13:47:32,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 13:47:32,801 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 13:47:32,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:47:32" (1/1) ... [2018-12-01 13:47:32,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c26117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:32, skipping insertion in model container [2018-12-01 13:47:32,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:47:32" (1/1) ... [2018-12-01 13:47:32,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 13:47:32,825 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 13:47:32,965 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:47:33,003 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 13:47:33,025 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:47:33,044 INFO L195 MainTranslator]: Completed translation [2018-12-01 13:47:33,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:33 WrapperNode [2018-12-01 13:47:33,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 13:47:33,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 13:47:33,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 13:47:33,045 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 13:47:33,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:33" (1/1) ... [2018-12-01 13:47:33,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:33" (1/1) ... [2018-12-01 13:47:33,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 13:47:33,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 13:47:33,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 13:47:33,071 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 13:47:33,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:33" (1/1) ... [2018-12-01 13:47:33,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:33" (1/1) ... [2018-12-01 13:47:33,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:33" (1/1) ... [2018-12-01 13:47:33,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:33" (1/1) ... [2018-12-01 13:47:33,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:33" (1/1) ... [2018-12-01 13:47:33,086 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:33" (1/1) ... [2018-12-01 13:47:33,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:33" (1/1) ... [2018-12-01 13:47:33,088 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 13:47:33,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 13:47:33,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 13:47:33,088 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 13:47:33,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:47:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/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 [2018-12-01 13:47:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 13:47:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 13:47:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 13:47:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 13:47:33,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 13:47:33,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 13:47:33,342 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 13:47:33,343 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-01 13:47:33,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:47:33 BoogieIcfgContainer [2018-12-01 13:47:33,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 13:47:33,343 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 13:47:33,343 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 13:47:33,350 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 13:47:33,350 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:47:33" (1/1) ... [2018-12-01 13:47:33,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:47:33,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2018-12-01 13:47:33,383 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2018-12-01 13:47:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-01 13:47:33,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:33,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2018-12-01 13:47:33,505 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2018-12-01 13:47:33,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-01 13:47:33,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:33,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:33,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2018-12-01 13:47:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2018-12-01 13:47:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 13:47:33,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:33,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:33,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2018-12-01 13:47:33,704 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2018-12-01 13:47:33,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 13:47:33,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:33,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2018-12-01 13:47:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2018-12-01 13:47:33,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 13:47:33,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:33,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2018-12-01 13:47:33,936 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2018-12-01 13:47:33,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 13:47:33,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:33,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:34,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2018-12-01 13:47:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2018-12-01 13:47:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 13:47:34,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:34,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:34,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:34,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2018-12-01 13:47:34,612 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2018-12-01 13:47:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 13:47:34,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:34,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:34,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:34,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2018-12-01 13:47:34,826 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2018-12-01 13:47:34,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 13:47:34,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2018-12-01 13:47:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2018-12-01 13:47:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 13:47:35,466 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:35,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:35,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2018-12-01 13:47:35,707 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2018-12-01 13:47:35,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 13:47:35,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:36,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2018-12-01 13:47:36,397 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2018-12-01 13:47:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 13:47:36,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:36,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:36,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 52 states and 91 transitions. [2018-12-01 13:47:36,816 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2018-12-01 13:47:36,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 13:47:36,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:37,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 56 states and 98 transitions. [2018-12-01 13:47:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2018-12-01 13:47:37,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 13:47:37,575 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:37,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:37,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 57 states and 98 transitions. [2018-12-01 13:47:37,599 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2018-12-01 13:47:37,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 13:47:37,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:37,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2018-12-01 13:47:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2018-12-01 13:47:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 13:47:37,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:39,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 63 states and 111 transitions. [2018-12-01 13:47:39,293 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 111 transitions. [2018-12-01 13:47:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 13:47:39,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:39,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:40,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:40,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 68 states and 125 transitions. [2018-12-01 13:47:40,039 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2018-12-01 13:47:40,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 13:47:40,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:40,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 13:47:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 69 states and 127 transitions. [2018-12-01 13:47:40,496 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2018-12-01 13:47:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 13:47:40,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:40,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:47:42,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:42,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 69 states and 126 transitions. [2018-12-01 13:47:42,104 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2018-12-01 13:47:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 13:47:42,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:42,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:42,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 71 states and 133 transitions. [2018-12-01 13:47:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 133 transitions. [2018-12-01 13:47:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 13:47:42,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:47,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 79 states and 159 transitions. [2018-12-01 13:47:47,800 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 159 transitions. [2018-12-01 13:47:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 13:47:47,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:47,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:48,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:48,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 82 states and 168 transitions. [2018-12-01 13:47:48,766 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 168 transitions. [2018-12-01 13:47:48,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 13:47:48,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:49,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:56,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:56,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 90 states and 195 transitions. [2018-12-01 13:47:56,067 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 195 transitions. [2018-12-01 13:47:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-01 13:47:56,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:47:58,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:47:58,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 92 states and 201 transitions. [2018-12-01 13:47:58,374 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 201 transitions. [2018-12-01 13:47:58,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 13:47:58,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:47:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:47:58,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:48:01,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:48:01,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 96 states and 212 transitions. [2018-12-01 13:48:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 212 transitions. [2018-12-01 13:48:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 13:48:01,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:48:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:01,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:48:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:48:02,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 98 states and 216 transitions. [2018-12-01 13:48:02,736 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 216 transitions. [2018-12-01 13:48:02,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 13:48:02,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:48:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:02,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:48:06,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:48:06,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 101 states and 224 transitions. [2018-12-01 13:48:06,118 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 224 transitions. [2018-12-01 13:48:06,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 13:48:06,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:48:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:48:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:48:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 106 states and 235 transitions. [2018-12-01 13:48:09,757 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 235 transitions. [2018-12-01 13:48:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 13:48:09,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:48:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:48:11,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:48:11,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 109 states and 239 transitions. [2018-12-01 13:48:11,576 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 239 transitions. [2018-12-01 13:48:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 13:48:11,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:48:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:48:20,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:48:20,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 114 states and 252 transitions. [2018-12-01 13:48:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 252 transitions. [2018-12-01 13:48:20,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 13:48:20,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:48:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:21,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:48:29,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:48:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 122 states and 277 transitions. [2018-12-01 13:48:29,996 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 277 transitions. [2018-12-01 13:48:29,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 13:48:29,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:48:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:48:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:48:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 124 states and 280 transitions. [2018-12-01 13:48:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 280 transitions. [2018-12-01 13:48:30,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 13:48:30,638 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:48:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:48:40,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:48:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 133 states and 306 transitions. [2018-12-01 13:48:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 306 transitions. [2018-12-01 13:48:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 13:48:40,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:48:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:48:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:48:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 136 states and 312 transitions. [2018-12-01 13:48:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 312 transitions. [2018-12-01 13:48:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 13:48:44,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:48:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:44,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:48:45,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:48:45,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 137 states and 312 transitions. [2018-12-01 13:48:45,092 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 312 transitions. [2018-12-01 13:48:45,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:48:45,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:48:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:48:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:49:00,161 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2018-12-01 13:49:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:49:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 147 states and 350 transitions. [2018-12-01 13:49:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 350 transitions. [2018-12-01 13:49:06,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:49:06,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:49:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:49:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 13:49:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:49:08,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 149 states and 357 transitions. [2018-12-01 13:49:08,583 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 357 transitions. [2018-12-01 13:49:08,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:49:08,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:49:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:49:08,591 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 13:49:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:49:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 149 states and 356 transitions. [2018-12-01 13:49:09,614 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 356 transitions. [2018-12-01 13:49:09,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:49:09,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:49:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:49:09,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 13:49:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:49:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 156 states and 380 transitions. [2018-12-01 13:49:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 380 transitions. [2018-12-01 13:49:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:49:15,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:49:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:49:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:49:17,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:49:17,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 157 states and 384 transitions. [2018-12-01 13:49:17,521 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 384 transitions. [2018-12-01 13:49:17,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:49:17,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:49:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:49:20,137 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:49:23,385 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 65 [2018-12-01 13:49:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:49:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 167 states and 424 transitions. [2018-12-01 13:49:40,813 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 424 transitions. [2018-12-01 13:49:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:49:40,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:49:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:49:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 13:49:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:49:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 168 states and 432 transitions. [2018-12-01 13:49:41,796 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 432 transitions. [2018-12-01 13:49:41,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:49:41,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:49:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:49:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:49:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:49:44,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 169 states and 434 transitions. [2018-12-01 13:49:44,152 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 434 transitions. [2018-12-01 13:49:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:49:44,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:49:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:49:44,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 13:49:45,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:49:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 170 states and 447 transitions. [2018-12-01 13:49:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 447 transitions. [2018-12-01 13:49:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:49:45,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:49:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:49:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:49:50,386 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 72 [2018-12-01 13:50:04,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:50:04,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 179 states and 490 transitions. [2018-12-01 13:50:04,533 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 490 transitions. [2018-12-01 13:50:04,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:50:04,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:50:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:50:04,551 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:50:06,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:50:06,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 180 states and 494 transitions. [2018-12-01 13:50:06,552 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 494 transitions. [2018-12-01 13:50:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:50:06,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:50:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:50:06,558 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:50:08,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:50:08,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 181 states and 496 transitions. [2018-12-01 13:50:08,198 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 496 transitions. [2018-12-01 13:50:08,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 13:50:08,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:50:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:50:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 13:50:14,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:50:14,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 183 states and 502 transitions. [2018-12-01 13:50:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 502 transitions. [2018-12-01 13:50:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 13:50:14,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:50:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:50:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:50:15,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:50:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 184 states and 506 transitions. [2018-12-01 13:50:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 506 transitions. [2018-12-01 13:50:15,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 13:50:15,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:50:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:50:15,551 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 13:50:16,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:50:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 185 states and 510 transitions. [2018-12-01 13:50:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 510 transitions. [2018-12-01 13:50:16,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-01 13:50:16,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:50:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:50:20,437 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:50:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:50:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 189 states and 518 transitions. [2018-12-01 13:50:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 518 transitions. [2018-12-01 13:50:33,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 13:50:33,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:50:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:50:33,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:50:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:50:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 194 states and 527 transitions. [2018-12-01 13:50:38,939 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 527 transitions. [2018-12-01 13:50:38,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 13:50:38,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:50:38,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:50:42,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:50:43,892 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2018-12-01 13:50:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:50:53,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 198 states and 535 transitions. [2018-12-01 13:50:53,068 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 535 transitions. [2018-12-01 13:50:53,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 13:50:53,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:50:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:50:57,043 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 13:51:00,608 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 62 [2018-12-01 13:51:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 211 states and 585 transitions. [2018-12-01 13:51:24,931 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 585 transitions. [2018-12-01 13:51:24,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 13:51:24,931 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:24,942 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 13:51:26,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:51:26,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 211 states and 584 transitions. [2018-12-01 13:51:26,631 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 584 transitions. [2018-12-01 13:51:26,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 13:51:26,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:51:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:51:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:51:35,866 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-12-01 13:51:51,306 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2018-12-01 13:52:00,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:52:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 220 states and 619 transitions. [2018-12-01 13:52:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 619 transitions. [2018-12-01 13:52:00,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 13:52:00,923 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:52:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:52:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 13:52:02,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:52:02,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 219 states and 616 transitions. [2018-12-01 13:52:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 616 transitions. [2018-12-01 13:52:02,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 13:52:02,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:52:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:52:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:52:15,123 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 76 [2018-12-01 13:52:26,600 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 73 [2018-12-01 13:52:27,846 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2018-12-01 13:52:51,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:52:51,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 230 states and 653 transitions. [2018-12-01 13:52:51,709 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 653 transitions. [2018-12-01 13:52:51,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 13:52:51,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:52:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:52:57,737 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:53:05,856 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-12-01 13:53:08,352 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2018-12-01 13:53:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:53:25,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 239 states and 687 transitions. [2018-12-01 13:53:25,889 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 687 transitions. [2018-12-01 13:53:25,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 13:53:25,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:53:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:53:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:53:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:53:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 239 states and 686 transitions. [2018-12-01 13:53:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 686 transitions. [2018-12-01 13:53:28,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 13:53:28,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:53:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:53:33,008 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:54:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:54:06,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 251 states and 741 transitions. [2018-12-01 13:54:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 741 transitions. [2018-12-01 13:54:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 13:54:06,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:54:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:54:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 13:54:15,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:54:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 255 states and 763 transitions. [2018-12-01 13:54:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 763 transitions. [2018-12-01 13:54:15,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 13:54:15,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:54:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:54:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:54:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:54:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 263 states and 815 transitions. [2018-12-01 13:54:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 815 transitions. [2018-12-01 13:54:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 13:54:36,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:54:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:54:36,488 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 13:54:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:54:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 264 states and 820 transitions. [2018-12-01 13:54:38,331 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 820 transitions. [2018-12-01 13:54:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 13:54:38,331 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:54:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:54:51,553 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:55:31,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:55:31,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 273 states and 856 transitions. [2018-12-01 13:55:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 856 transitions. [2018-12-01 13:55:31,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 13:55:31,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:55:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:55:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:55:32,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:55:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 274 states and 856 transitions. [2018-12-01 13:55:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 856 transitions. [2018-12-01 13:55:32,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 13:55:32,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:55:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:55:44,619 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:56:01,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:56:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 276 states and 866 transitions. [2018-12-01 13:56:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 866 transitions. [2018-12-01 13:56:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 13:56:01,504 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:56:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:56:17,256 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:56:36,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:56:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 279 states and 877 transitions. [2018-12-01 13:56:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 877 transitions. [2018-12-01 13:56:36,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 13:56:36,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:56:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:56:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 13:56:40,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:56:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 280 states and 886 transitions. [2018-12-01 13:56:40,469 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 886 transitions. [2018-12-01 13:56:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-01 13:56:40,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:56:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:56:40,549 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 13:56:52,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:56:52,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 284 states and 907 transitions. [2018-12-01 13:56:52,764 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 907 transitions. [2018-12-01 13:56:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 13:56:52,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:56:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:56:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 13:56:55,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:56:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 284 states and 906 transitions. [2018-12-01 13:56:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 906 transitions. [2018-12-01 13:56:55,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 13:56:55,036 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:56:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:57:12,781 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:57:37,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:57:37,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 285 states and 910 transitions. [2018-12-01 13:57:37,309 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 910 transitions. [2018-12-01 13:57:37,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 13:57:37,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:57:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:57:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:57:53,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:57:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 289 states and 937 transitions. [2018-12-01 13:57:53,309 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 937 transitions. [2018-12-01 13:57:53,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 13:57:53,309 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:57:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:57:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 13:57:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:57:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 290 states and 940 transitions. [2018-12-01 13:57:55,356 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 940 transitions. [2018-12-01 13:57:55,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 13:57:55,357 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:57:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:57:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 13:58:00,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:58:00,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 291 states and 947 transitions. [2018-12-01 13:58:00,171 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 947 transitions. [2018-12-01 13:58:00,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 13:58:00,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:58:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:58:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 13:58:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:58:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 292 states and 948 transitions. [2018-12-01 13:58:01,992 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 948 transitions. [2018-12-01 13:58:01,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 13:58:01,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:58:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:58:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:58:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:58:37,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 297 states and 974 transitions. [2018-12-01 13:58:37,563 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 974 transitions. [2018-12-01 13:58:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 13:58:37,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:58:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:58:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:59:03,379 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 74 [2018-12-01 13:59:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:59:09,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 301 states and 994 transitions. [2018-12-01 13:59:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 994 transitions. [2018-12-01 13:59:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-01 13:59:09,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:59:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:59:18,553 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 13:59:22,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:59:22,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 302 states and 1001 transitions. [2018-12-01 13:59:22,354 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 1001 transitions. [2018-12-01 13:59:22,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 13:59:22,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:59:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:59:30,668 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 13:59:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:59:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 303 states and 1008 transitions. [2018-12-01 13:59:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1008 transitions. [2018-12-01 13:59:43,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 13:59:43,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:59:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:59:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 13:59:49,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:59:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 304 states and 1012 transitions. [2018-12-01 13:59:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1012 transitions. [2018-12-01 13:59:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 13:59:49,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:59:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:59:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 13:59:51,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:59:51,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 305 states and 1013 transitions. [2018-12-01 13:59:51,887 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1013 transitions. [2018-12-01 13:59:51,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-01 13:59:51,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:59:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:59:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 44 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 14:00:03,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 14:00:03,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 51 transitions. [2018-12-01 14:00:03,669 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2018-12-01 14:00:03,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 14:00:03,669 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 84 iterations. [2018-12-01 14:00:03,676 INFO L779 CodeCheckObserver]: All specifications hold 13 specifications checked. All of them hold [2018-12-01 14:00:03,851 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-12-01 14:00:04,045 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-12-01 14:00:04,380 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-12-01 14:00:04,667 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2018-12-01 14:00:04,756 INFO L583 CodeCheckObserver]: Invariant with dag size 72 [2018-12-01 14:00:04,762 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,763 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,763 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,763 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,763 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,764 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,764 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,764 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,764 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,764 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,764 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,764 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,764 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,765 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,765 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,765 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,765 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,765 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,765 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,771 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,771 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,772 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,772 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,772 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,772 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,772 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,773 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,773 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,773 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,773 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,773 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,775 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,775 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,776 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 14:00:04,777 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,777 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,777 INFO L583 CodeCheckObserver]: Invariant with dag size 8 [2018-12-01 14:00:04,777 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,778 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:00:04 ImpRootNode [2018-12-01 14:00:04,778 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 14:00:04,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 14:00:04,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 14:00:04,779 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 14:00:04,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:47:33" (3/4) ... [2018-12-01 14:00:04,782 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 14:00:04,788 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-12-01 14:00:04,788 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 14:00:04,789 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 14:00:04,805 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((0 == d && 1 <= unknown-#length-unknown[s]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && n <= 2147483647) && n == unknown-#length-unknown[d]) && 1 == \valid[s]) && 0 == s) && \valid[d] == 1) && n == siz) && !(d == s)) && 0 == unknown-#memory_int-unknown[d := unknown-#memory_int-unknown[d][d := 0]][s][unknown-#length-unknown[s] + -1]) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && 1 <= n) || ((((((((((((((unknown-#length-unknown[d] <= d + n && s + 1 <= unknown-#length-unknown[s]) && n <= 2147483645) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && 0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1]) && 1 <= siz) && 1 <= d) && !(s == d)) && d + 1 <= unknown-#length-unknown[d]) && 1 == \valid[s]) && \valid[d] == 1) && siz / 4294967296 <= 0) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && d + n <= unknown-#length-unknown[d]) && 1 < s)) || ((((((((((((((siz <= 2147483647 && unknown-#length-unknown[d] <= d + n) && s + 1 <= unknown-#length-unknown[s]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && n + 1 <= siz) && 0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1]) && s <= 1) && 1 <= d) && 1 == \valid[s]) && \valid[d] == 1) && !(d == s)) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && d + n <= unknown-#length-unknown[d]) && 1 <= n) && 1 <= s) [2018-12-01 14:00:04,805 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0] [2018-12-01 14:00:04,805 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-01 14:00:04,817 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7a692af5-1854-43df-806c-00ae71b7387b/bin-2019/ukojak/witness.graphml [2018-12-01 14:00:04,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 14:00:04,817 INFO L168 Benchmark]: Toolchain (without parser) took 752019.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 949.6 MB in the beginning and 797.2 MB in the end (delta: 152.3 MB). Peak memory consumption was 290.2 MB. Max. memory is 11.5 GB. [2018-12-01 14:00:04,818 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:00:04,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:00:04,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:00:04,818 INFO L168 Benchmark]: Boogie Preprocessor took 16.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 14:00:04,819 INFO L168 Benchmark]: RCFGBuilder took 254.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-01 14:00:04,819 INFO L168 Benchmark]: CodeCheck took 751435.05 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 28.3 MB). Free memory was 1.1 GB in the beginning and 803.7 MB in the end (delta: 259.6 MB). Peak memory consumption was 602.7 MB. Max. memory is 11.5 GB. [2018-12-01 14:00:04,819 INFO L168 Benchmark]: Witness Printer took 38.48 ms. Allocated memory is still 1.2 GB. Free memory was 803.7 MB in the beginning and 797.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-01 14:00:04,820 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, 38 locations, 13 error locations. SAFE Result, 750.3s OverallTime, 84 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 2084646880 SDslu, 1588068352 SDs, 0 SdLazy, -838565930 SolverSat, -502152366 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 137.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19293 GetRequests, 17172 SyntacticMatches, 585 SemanticMatches, 1536 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1307998 ImplicationChecksByTransitivity, 742.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 158.3s InterpolantComputationTime, 1424 NumberOfCodeBlocks, 1424 NumberOfCodeBlocksAsserted, 83 NumberOfCheckSat, 1341 ConstructedInterpolants, 0 QuantifiedInterpolants, 364652 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 83 InterpolantComputations, 37 PerfectInterpolantSequences, 440/938 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: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 572]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 571]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: 547]: Loop Invariant [2018-12-01 14:00:04,822 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,822 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,822 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,822 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,822 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,822 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,822 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,822 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,823 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,823 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,823 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,823 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,823 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,823 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,823 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,823 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,823 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,823 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,824 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,825 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,825 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,825 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,825 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,825 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,825 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,825 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,825 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,826 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,826 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,826 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,826 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,826 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,826 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,826 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,826 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,826 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-01 14:00:04,826 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 14:00:04,827 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((((((((0 == d && 1 <= unknown-#length-unknown[s]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && n <= 2147483647) && n == unknown-#length-unknown[d]) && 1 == \valid[s]) && 0 == s) && \valid[d] == 1) && n == siz) && !(d == s)) && 0 == unknown-#memory_int-unknown[d := unknown-#memory_int-unknown[d][d := 0]][s][unknown-#length-unknown[s] + -1]) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && 1 <= n) || ((((((((((((((unknown-#length-unknown[d] <= d + n && s + 1 <= unknown-#length-unknown[s]) && n <= 2147483645) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && 0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1]) && 1 <= siz) && 1 <= d) && !(s == d)) && d + 1 <= unknown-#length-unknown[d]) && 1 == \valid[s]) && \valid[d] == 1) && siz / 4294967296 <= 0) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && d + n <= unknown-#length-unknown[d]) && 1 < s)) || ((((((((((((((siz <= 2147483647 && unknown-#length-unknown[d] <= d + n) && s + 1 <= unknown-#length-unknown[s]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && n + 1 <= siz) && 0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1]) && s <= 1) && 1 <= d) && 1 == \valid[s]) && \valid[d] == 1) && !(d == s)) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && d + n <= unknown-#length-unknown[d]) && 1 <= n) && 1 <= s) - InvariantResult [Line: 560]: Loop Invariant [2018-12-01 14:00:04,827 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,827 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 552]: Loop Invariant [2018-12-01 14:00:04,827 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 14:00:04,827 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 246.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 254.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * CodeCheck took 751435.05 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 28.3 MB). Free memory was 1.1 GB in the beginning and 803.7 MB in the end (delta: 259.6 MB). Peak memory consumption was 602.7 MB. Max. memory is 11.5 GB. * Witness Printer took 38.48 ms. Allocated memory is still 1.2 GB. Free memory was 803.7 MB in the beginning and 797.2 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...