./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncpy-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_9a18f120-67ca-4d50-b67b-d4285be92ea5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/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 a42c021ebd0de645918b065980a1f8d912cba85d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:33:36,891 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:33:36,892 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:33:36,898 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:33:36,898 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:33:36,899 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:33:36,899 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:33:36,900 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:33:36,901 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:33:36,901 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:33:36,902 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:33:36,902 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:33:36,902 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:33:36,903 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:33:36,903 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:33:36,904 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:33:36,904 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:33:36,905 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:33:36,906 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:33:36,906 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:33:36,907 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:33:36,907 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:33:36,908 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:33:36,909 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:33:36,909 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:33:36,909 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:33:36,910 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:33:36,910 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:33:36,910 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:33:36,911 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:33:36,911 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:33:36,911 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:33:36,911 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:33:36,912 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:33:36,912 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:33:36,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:33:36,912 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-02 01:33:36,920 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:33:36,920 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:33:36,921 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 01:33:36,921 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 01:33:36,921 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:33:36,921 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:33:36,921 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 01:33:36,921 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:33:36,921 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:33:36,921 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:33:36,922 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 01:33:36,922 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 01:33:36,922 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 01:33:36,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:33:36,922 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:33:36,922 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 01:33:36,922 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 01:33:36,922 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 01:33:36,922 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:33:36,922 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:33:36,922 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 01:33:36,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:33:36,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:33:36,923 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 01:33:36,923 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:33:36,923 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_9a18f120-67ca-4d50-b67b-d4285be92ea5/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 -> a42c021ebd0de645918b065980a1f8d912cba85d [2018-12-02 01:33:36,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:33:36,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:33:36,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:33:36,949 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:33:36,949 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:33:36,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-12-02 01:33:36,982 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/bin-2019/ukojak/data/d74235a98/4738a13d58144f2fb43bfc88aa0abe07/FLAGbea0b4c3e [2018-12-02 01:33:37,420 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:33:37,420 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/sv-benchmarks/c/array-memsafety/cstrncpy-alloca_true-valid-memsafety_true-termination.i [2018-12-02 01:33:37,427 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/bin-2019/ukojak/data/d74235a98/4738a13d58144f2fb43bfc88aa0abe07/FLAGbea0b4c3e [2018-12-02 01:33:37,435 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/bin-2019/ukojak/data/d74235a98/4738a13d58144f2fb43bfc88aa0abe07 [2018-12-02 01:33:37,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:33:37,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:33:37,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:33:37,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:33:37,440 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:33:37,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac4e85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37, skipping insertion in model container [2018-12-02 01:33:37,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:33:37,464 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:33:37,604 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:33:37,611 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:33:37,665 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:33:37,685 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:33:37,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37 WrapperNode [2018-12-02 01:33:37,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:33:37,686 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:33:37,686 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:33:37,686 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:33:37,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:33:37,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:33:37,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:33:37,712 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:33:37,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:33:37,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:33:37,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:33:37,727 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:33:37,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/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 [2018-12-02 01:33:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:33:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 01:33:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 01:33:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 01:33:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:33:37,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:33:37,950 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:33:37,950 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 01:33:37,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:37 BoogieIcfgContainer [2018-12-02 01:33:37,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:33:37,951 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 01:33:37,951 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 01:33:37,958 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 01:33:37,958 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:37" (1/1) ... [2018-12-02 01:33:37,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:37,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-12-02 01:33:37,986 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-12-02 01:33:37,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-02 01:33:37,987 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:38,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:38,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2018-12-02 01:33:38,100 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-12-02 01:33:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-02 01:33:38,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:38,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:38,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2018-12-02 01:33:38,197 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2018-12-02 01:33:38,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 01:33:38,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:38,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-12-02 01:33:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-12-02 01:33:38,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-02 01:33:38,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:38,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2018-12-02 01:33:38,514 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2018-12-02 01:33:38,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 01:33:38,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2018-12-02 01:33:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2018-12-02 01:33:38,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 01:33:38,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:38,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2018-12-02 01:33:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2018-12-02 01:33:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 01:33:39,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:39,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:40,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:40,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2018-12-02 01:33:40,165 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2018-12-02 01:33:40,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 01:33:40,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:33:40,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:40,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2018-12-02 01:33:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2018-12-02 01:33:40,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-02 01:33:40,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:40,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:43,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2018-12-02 01:33:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2018-12-02 01:33:43,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 01:33:43,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:44,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2018-12-02 01:33:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2018-12-02 01:33:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 01:33:44,783 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:50,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:50,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2018-12-02 01:33:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2018-12-02 01:33:50,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 01:33:50,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:51,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:33:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 56 states and 100 transitions. [2018-12-02 01:33:53,978 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2018-12-02 01:33:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 01:33:53,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:55,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:55,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-12-02 01:33:55,296 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-12-02 01:33:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 01:33:55,296 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2018-12-02 01:33:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2018-12-02 01:33:56,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 01:33:56,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:56,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:57,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 62 states and 123 transitions. [2018-12-02 01:33:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 123 transitions. [2018-12-02 01:33:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 01:33:57,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 01:33:57,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:33:57,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 62 states and 122 transitions. [2018-12-02 01:33:57,888 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 122 transitions. [2018-12-02 01:33:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 01:33:57,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:33:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:34:07,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:07,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 69 states and 143 transitions. [2018-12-02 01:34:07,342 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 143 transitions. [2018-12-02 01:34:07,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 01:34:07,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:08,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:34:16,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 165 transitions. [2018-12-02 01:34:16,104 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 165 transitions. [2018-12-02 01:34:16,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 01:34:16,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 01:34:17,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:17,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 75 states and 164 transitions. [2018-12-02 01:34:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 164 transitions. [2018-12-02 01:34:17,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:34:17,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:17,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 01:34:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 82 states and 185 transitions. [2018-12-02 01:34:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 185 transitions. [2018-12-02 01:34:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:34:25,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 01:34:26,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 84 states and 193 transitions. [2018-12-02 01:34:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 193 transitions. [2018-12-02 01:34:26,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:34:26,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:26,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:34:28,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 85 states and 196 transitions. [2018-12-02 01:34:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 196 transitions. [2018-12-02 01:34:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:34:28,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:28,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 01:34:29,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:29,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 86 states and 202 transitions. [2018-12-02 01:34:29,260 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 202 transitions. [2018-12-02 01:34:29,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:34:29,261 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:32,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:34:35,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:35,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 88 states and 207 transitions. [2018-12-02 01:34:35,598 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 207 transitions. [2018-12-02 01:34:35,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 01:34:35,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:34:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:36,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 89 states and 211 transitions. [2018-12-02 01:34:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 211 transitions. [2018-12-02 01:34:36,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 01:34:36,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:39,607 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:34:45,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 89 states and 210 transitions. [2018-12-02 01:34:45,213 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 210 transitions. [2018-12-02 01:34:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 01:34:45,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:34:50,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 90 states and 214 transitions. [2018-12-02 01:34:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 214 transitions. [2018-12-02 01:34:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 01:34:50,868 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 01:34:51,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:34:51,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 90 states and 213 transitions. [2018-12-02 01:34:51,711 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 213 transitions. [2018-12-02 01:34:51,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 01:34:51,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:34:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:34:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:35:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:35:12,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 100 states and 260 transitions. [2018-12-02 01:35:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 260 transitions. [2018-12-02 01:35:12,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-02 01:35:12,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:35:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:35:13,195 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 01:35:15,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:35:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 101 states and 265 transitions. [2018-12-02 01:35:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 265 transitions. [2018-12-02 01:35:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:35:15,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:35:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:35:15,362 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 01:35:16,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:35:16,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 102 states and 269 transitions. [2018-12-02 01:35:16,768 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 269 transitions. [2018-12-02 01:35:16,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:35:16,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:35:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:35:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 01:35:18,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:35:18,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 103 states and 272 transitions. [2018-12-02 01:35:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 272 transitions. [2018-12-02 01:35:18,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:35:18,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:35:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:35:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:35:25,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:35:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 106 states and 290 transitions. [2018-12-02 01:35:25,870 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 290 transitions. [2018-12-02 01:35:25,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:35:25,871 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:35:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:35:26,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:35:27,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:35:27,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 107 states and 297 transitions. [2018-12-02 01:35:27,458 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 297 transitions. [2018-12-02 01:35:27,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:35:27,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:35:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:35:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 01:35:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:35:30,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 109 states and 303 transitions. [2018-12-02 01:35:30,570 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 303 transitions. [2018-12-02 01:35:30,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:35:30,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:35:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:35:30,577 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 01:35:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:35:31,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 109 states and 302 transitions. [2018-12-02 01:35:31,989 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 302 transitions. [2018-12-02 01:35:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:35:31,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:35:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:35:32,241 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:35:33,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:35:33,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 110 states and 313 transitions. [2018-12-02 01:35:33,394 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 313 transitions. [2018-12-02 01:35:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 01:35:33,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:35:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:35:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 01:35:35,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:35:35,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 111 states and 316 transitions. [2018-12-02 01:35:35,297 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 316 transitions. [2018-12-02 01:35:35,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:35:35,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:35:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:35:40,692 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:35:44,127 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2018-12-02 01:35:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:35:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 112 states and 322 transitions. [2018-12-02 01:35:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 322 transitions. [2018-12-02 01:35:53,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:35:53,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:35:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:35:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:36:02,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:36:02,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 117 states and 346 transitions. [2018-12-02 01:36:02,125 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 346 transitions. [2018-12-02 01:36:02,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 01:36:02,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:36:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:36:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:36:04,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:36:04,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 118 states and 356 transitions. [2018-12-02 01:36:04,497 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 356 transitions. [2018-12-02 01:36:04,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 01:36:04,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:36:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:36:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-02 01:36:06,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:36:06,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 119 states and 357 transitions. [2018-12-02 01:36:06,458 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 357 transitions. [2018-12-02 01:36:06,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 01:36:06,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:36:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:36:08,895 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:36:15,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:36:15,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 121 states and 368 transitions. [2018-12-02 01:36:15,485 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 368 transitions. [2018-12-02 01:36:15,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 01:36:15,485 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:36:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:36:15,492 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 01:36:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:36:16,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 121 states and 367 transitions. [2018-12-02 01:36:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 367 transitions. [2018-12-02 01:36:16,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 01:36:16,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:36:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:36:16,840 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 01:36:21,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:36:21,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 124 states and 373 transitions. [2018-12-02 01:36:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 373 transitions. [2018-12-02 01:36:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 01:36:21,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 01:36:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:36:23,302 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 01:36:24,126 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2018-12-02 01:36:26,703 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2018-12-02 01:36:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 01:36:33,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-12-02 01:36:33,705 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-12-02 01:36:33,705 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:36:33,705 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 47 iterations. [2018-12-02 01:36:33,711 INFO L779 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2018-12-02 01:36:33,829 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-12-02 01:36:34,068 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-12-02 01:36:34,257 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2018-12-02 01:36:34,258 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-02 01:36:34,261 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,262 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,262 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,265 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,266 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,266 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,266 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 01:36:34,267 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,267 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,267 INFO L583 CodeCheckObserver]: Invariant with dag size 56 [2018-12-02 01:36:34,270 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,270 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,270 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,270 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,270 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,271 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,271 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,271 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,271 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,271 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,272 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,272 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,272 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,272 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,273 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,273 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,273 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,273 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,273 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,275 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,276 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,276 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,276 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,276 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,277 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,277 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,277 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,277 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,277 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,277 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,277 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,278 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,278 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,278 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,278 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,278 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,278 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,278 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,279 INFO L583 CodeCheckObserver]: Invariant with dag size 8 [2018-12-02 01:36:34,279 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,279 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:36:34 ImpRootNode [2018-12-02 01:36:34,280 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 01:36:34,280 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:36:34,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:36:34,280 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:36:34,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:37" (3/4) ... [2018-12-02 01:36:34,283 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:36:34,288 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-02 01:36:34,289 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 01:36:34,289 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 01:36:34,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1 == \valid[dst] && unknown-#length-unknown[dst] <= n) && 1 <= n) && 0 == src) && 0 <= dst) && 1 <= unknown-#length-unknown[src]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && 0 == unknown-#memory_int-unknown[src][unknown-#length-unknown[src] + -1]) && !(dst == src)) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && n + dst <= unknown-#length-unknown[dst]) && 1 == \valid[src]) || (((((((((((unknown-#length-unknown[dst] <= n + dst && 1 == \valid[dst]) && 1 <= dst) && src + 1 <= unknown-#length-unknown[src]) && (src + 2 <= unknown-#length-unknown[src] || src <= 1)) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && 0 == unknown-#memory_int-unknown[src][unknown-#length-unknown[src] + -1]) && !(dst == src)) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && n + dst <= unknown-#length-unknown[dst]) && 1 <= src) && 1 == \valid[src])) || (((((((((unknown-#length-unknown[dst] <= n + dst && 2 <= dst) && 1 == \valid[dst]) && !(unknown-#length-unknown[src] <= src || src <= 1)) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && 0 == unknown-#memory_int-unknown[src][unknown-#length-unknown[src] + -1]) && !(dst == src)) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && n + dst <= unknown-#length-unknown[dst]) && 1 == \valid[src]) [2018-12-02 01:36:34,307 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] [2018-12-02 01:36:34,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-02 01:36:34,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 == \valid[us] && 1 <= us) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && 0 <= n2) && unknown-#length-unknown[us] <= us + n2) && us + n2 <= unknown-#length-unknown[us] [2018-12-02 01:36:34,323 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9a18f120-67ca-4d50-b67b-d4285be92ea5/bin-2019/ukojak/witness.graphml [2018-12-02 01:36:34,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:36:34,324 INFO L168 Benchmark]: Toolchain (without parser) took 176887.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 951.7 MB in the beginning and 808.2 MB in the end (delta: 143.5 MB). Peak memory consumption was 266.2 MB. Max. memory is 11.5 GB. [2018-12-02 01:36:34,324 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:36:34,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-02 01:36:34,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.91 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 01:36:34,325 INFO L168 Benchmark]: Boogie Preprocessor took 15.27 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. [2018-12-02 01:36:34,325 INFO L168 Benchmark]: RCFGBuilder took 223.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-02 01:36:34,325 INFO L168 Benchmark]: CodeCheck took 176328.74 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Free memory was 1.0 GB in the beginning and 814.9 MB in the end (delta: 229.5 MB). Peak memory consumption was 264.1 MB. Max. memory is 11.5 GB. [2018-12-02 01:36:34,326 INFO L168 Benchmark]: Witness Printer took 43.73 ms. Allocated memory is still 1.2 GB. Free memory was 814.9 MB in the beginning and 808.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 01:36:34,328 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, 29 locations, 9 error locations. SAFE Result, 175.7s OverallTime, 47 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1316383592 SDslu, 260 SDs, 0 SdLazy, -1719736628 SolverSat, -1003376020 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8053 GetRequests, 7090 SyntacticMatches, 265 SemanticMatches, 698 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222872 ImplicationChecksByTransitivity, 172.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 32.9s InterpolantComputationTime, 607 NumberOfCodeBlocks, 607 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 561 ConstructedInterpolants, 0 QuantifiedInterpolants, 114204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 20 PerfectInterpolantSequences, 218/455 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: 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: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 569]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 569]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 551]: Loop Invariant [2018-12-02 01:36:34,329 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,329 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,329 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,330 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,330 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,330 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((1 == \valid[us] && 1 <= us) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && 0 <= n2) && unknown-#length-unknown[us] <= us + n2) && us + n2 <= unknown-#length-unknown[us] - InvariantResult [Line: 558]: Loop Invariant [2018-12-02 01:36:34,330 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,331 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 546]: Loop Invariant [2018-12-02 01:36:34,331 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,332 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,332 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,332 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,332 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,332 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,332 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,332 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,332 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,332 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,332 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,332 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,333 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,333 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,333 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,333 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,333 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,333 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,333 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,335 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,335 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,335 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,335 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,335 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,336 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,336 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,336 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,336 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,336 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,336 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,337 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,337 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,337 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,337 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,337 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,337 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 01:36:34,337 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 01:36:34,338 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((((1 == \valid[dst] && unknown-#length-unknown[dst] <= n) && 1 <= n) && 0 == src) && 0 <= dst) && 1 <= unknown-#length-unknown[src]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && 0 == unknown-#memory_int-unknown[src][unknown-#length-unknown[src] + -1]) && !(dst == src)) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && n + dst <= unknown-#length-unknown[dst]) && 1 == \valid[src]) || (((((((((((unknown-#length-unknown[dst] <= n + dst && 1 == \valid[dst]) && 1 <= dst) && src + 1 <= unknown-#length-unknown[src]) && (src + 2 <= unknown-#length-unknown[src] || src <= 1)) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && 0 == unknown-#memory_int-unknown[src][unknown-#length-unknown[src] + -1]) && !(dst == src)) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && n + dst <= unknown-#length-unknown[dst]) && 1 <= src) && 1 == \valid[src])) || (((((((((unknown-#length-unknown[dst] <= n + dst && 2 <= dst) && 1 == \valid[dst]) && !(unknown-#length-unknown[src] <= src || src <= 1)) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (n * sizeof(char)) := 0][__builtin_alloca (length * sizeof(char)) := 0]) && 0 == unknown-#memory_int-unknown[src][unknown-#length-unknown[src] + -1]) && !(dst == src)) && !(__builtin_alloca (n * sizeof(char)) == __builtin_alloca (length * sizeof(char)))) && n + dst <= unknown-#length-unknown[dst]) && 1 == \valid[src]) - InvariantResult [Line: 546]: Loop Invariant [2018-12-02 01:36:34,338 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 01:36:34,339 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 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 247.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -125.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.91 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.27 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 223.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * CodeCheck took 176328.74 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Free memory was 1.0 GB in the beginning and 814.9 MB in the end (delta: 229.5 MB). Peak memory consumption was 264.1 MB. Max. memory is 11.5 GB. * Witness Printer took 43.73 ms. Allocated memory is still 1.2 GB. Free memory was 814.9 MB in the beginning and 808.2 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - 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 #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 #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 #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 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 #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 #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 #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 #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 #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 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 #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 RESULT: Ultimate proved your program to be correct! Received shutdown request...