./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/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 fa1df4216228ace3c3c1088507575f9600e9db06 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:03:02,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:03:02,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:03:02,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:03:02,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:03:02,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:03:02,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:03:02,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:03:02,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:03:02,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:03:02,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:03:02,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:03:02,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:03:02,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:03:02,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:03:02,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:03:02,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:03:02,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:03:02,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:03:02,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:03:02,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:03:02,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:03:02,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:03:02,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:03:02,895 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:03:02,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:03:02,896 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:03:02,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:03:02,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:03:02,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:03:02,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:03:02,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:03:02,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:03:02,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:03:02,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:03:02,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:03:02,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:03:02,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:03:02,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:03:02,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:03:02,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:03:02,913 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-29 19:03:02,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:03:02,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:03:02,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:03:02,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:03:02,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:03:02,966 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:03:02,966 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:03:02,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:03:02,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:03:02,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:03:02,968 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-29 19:03:02,968 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-29 19:03:02,969 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-29 19:03:02,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:03:02,969 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:03:02,970 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:03:02,970 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:03:02,970 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:03:02,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:03:02,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:03:02,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:03:02,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:03:02,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:03:02,972 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:03:02,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:03:02,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa1df4216228ace3c3c1088507575f9600e9db06 [2020-11-29 19:03:03,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:03:03,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:03:03,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:03:03,377 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:03:03,379 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:03:03,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/../../sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2020-11-29 19:03:03,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/data/ae15f1537/8e4c8850170a41588492424c61db62c9/FLAG2f02ecd89 [2020-11-29 19:03:04,059 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:03:04,060 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/sv-benchmarks/c/array-memsafety/stroeder2-alloca-1.i [2020-11-29 19:03:04,083 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/data/ae15f1537/8e4c8850170a41588492424c61db62c9/FLAG2f02ecd89 [2020-11-29 19:03:04,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/data/ae15f1537/8e4c8850170a41588492424c61db62c9 [2020-11-29 19:03:04,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:03:04,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:03:04,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:03:04,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:03:04,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:03:04,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:03:04" (1/1) ... [2020-11-29 19:03:04,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bac9f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04, skipping insertion in model container [2020-11-29 19:03:04,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:03:04" (1/1) ... [2020-11-29 19:03:04,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:03:04,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:03:04,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:03:04,838 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:03:04,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:03:04,946 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:03:04,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04 WrapperNode [2020-11-29 19:03:04,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:03:04,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:03:04,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:03:04,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:03:04,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2020-11-29 19:03:04,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2020-11-29 19:03:05,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:03:05,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:03:05,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:03:05,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:03:05,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2020-11-29 19:03:05,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2020-11-29 19:03:05,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2020-11-29 19:03:05,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2020-11-29 19:03:05,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2020-11-29 19:03:05,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2020-11-29 19:03:05,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... [2020-11-29 19:03:05,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:03:05,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:03:05,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:03:05,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:03:05,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:03:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:03:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 19:03:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 19:03:05,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:03:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:03:05,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:03:05,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:03:05,804 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:03:05,805 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:03:05,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:03:05 BoogieIcfgContainer [2020-11-29 19:03:05,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:03:05,808 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:03:05,809 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:03:05,825 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:03:05,826 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:03:05" (1/1) ... [2020-11-29 19:03:05,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:03:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:05,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2020-11-29 19:03:05,911 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-11-29 19:03:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 19:03:05,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:06,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:06,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:06,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2020-11-29 19:03:06,211 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2020-11-29 19:03:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 19:03:06,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:06,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2020-11-29 19:03:06,639 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2020-11-29 19:03:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 19:03:06,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:06,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:07,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:07,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2020-11-29 19:03:07,007 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-11-29 19:03:07,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 19:03:07,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:07,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:07,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2020-11-29 19:03:07,852 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2020-11-29 19:03:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 19:03:07,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:08,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:08,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2020-11-29 19:03:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2020-11-29 19:03:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 19:03:08,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:08,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:08,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2020-11-29 19:03:08,939 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2020-11-29 19:03:08,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 19:03:08,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:09,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2020-11-29 19:03:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2020-11-29 19:03:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 19:03:10,005 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:10,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:10,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2020-11-29 19:03:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2020-11-29 19:03:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 19:03:10,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:03:10,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:10,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2020-11-29 19:03:10,614 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2020-11-29 19:03:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 19:03:10,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:03:11,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2020-11-29 19:03:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2020-11-29 19:03:11,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 19:03:11,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:03:11,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:11,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2020-11-29 19:03:11,092 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2020-11-29 19:03:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 19:03:11,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:03:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2020-11-29 19:03:11,139 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2020-11-29 19:03:11,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 19:03:11,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:03:13,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2020-11-29 19:03:13,513 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2020-11-29 19:03:13,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 19:03:13,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:03:14,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:14,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2020-11-29 19:03:14,771 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2020-11-29 19:03:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 19:03:14,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:17,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2020-11-29 19:03:17,429 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2020-11-29 19:03:17,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 19:03:17,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:17,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:17,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2020-11-29 19:03:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2020-11-29 19:03:17,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 19:03:17,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 19:03:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 71 transitions. [2020-11-29 19:03:18,299 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 71 transitions. [2020-11-29 19:03:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:03:18,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:03:20,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:20,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 79 transitions. [2020-11-29 19:03:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2020-11-29 19:03:20,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:03:20,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:20,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:03:22,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:22,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2020-11-29 19:03:22,822 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2020-11-29 19:03:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:03:22,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:23,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:26,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:26,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 98 transitions. [2020-11-29 19:03:26,243 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2020-11-29 19:03:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:03:26,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:03:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:26,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2020-11-29 19:03:26,864 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2020-11-29 19:03:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 19:03:26,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:03:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:28,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2020-11-29 19:03:28,916 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2020-11-29 19:03:28,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 19:03:28,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:28,938 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:03:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:29,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 60 states and 114 transitions. [2020-11-29 19:03:29,846 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 114 transitions. [2020-11-29 19:03:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 19:03:29,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:03:31,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:31,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 63 states and 120 transitions. [2020-11-29 19:03:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 120 transitions. [2020-11-29 19:03:31,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 19:03:31,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:03:32,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:32,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 66 states and 123 transitions. [2020-11-29 19:03:32,619 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2020-11-29 19:03:32,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 19:03:32,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:03:32,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 68 states and 125 transitions. [2020-11-29 19:03:32,906 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2020-11-29 19:03:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 19:03:32,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 19:03:33,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:33,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 69 states and 125 transitions. [2020-11-29 19:03:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 125 transitions. [2020-11-29 19:03:33,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:03:33,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:34,283 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:03:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:40,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 79 states and 148 transitions. [2020-11-29 19:03:40,972 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 148 transitions. [2020-11-29 19:03:40,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:03:40,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-29 19:03:43,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 82 states and 157 transitions. [2020-11-29 19:03:43,446 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2020-11-29 19:03:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:03:43,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:03:44,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 84 states and 159 transitions. [2020-11-29 19:03:44,319 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 159 transitions. [2020-11-29 19:03:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:03:44,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:44,350 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:03:45,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 85 states and 159 transitions. [2020-11-29 19:03:45,056 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 159 transitions. [2020-11-29 19:03:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:03:45,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:45,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 19:03:45,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 86 states and 159 transitions. [2020-11-29 19:03:45,971 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 159 transitions. [2020-11-29 19:03:45,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:03:45,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 19:03:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 88 states and 161 transitions. [2020-11-29 19:03:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 161 transitions. [2020-11-29 19:03:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:03:46,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:03:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 91 states and 167 transitions. [2020-11-29 19:03:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 167 transitions. [2020-11-29 19:03:50,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 19:03:50,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:50,270 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 19:03:51,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 92 states and 167 transitions. [2020-11-29 19:03:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 167 transitions. [2020-11-29 19:03:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:03:51,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:52,631 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:03:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:03:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 95 states and 173 transitions. [2020-11-29 19:03:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 173 transitions. [2020-11-29 19:03:56,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:03:56,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:03:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:03:57,472 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:02,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 102 states and 190 transitions. [2020-11-29 19:04:02,144 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 190 transitions. [2020-11-29 19:04:02,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:04:02,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:04:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:02,402 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:04:03,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:03,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 103 states and 192 transitions. [2020-11-29 19:04:03,340 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 192 transitions. [2020-11-29 19:04:03,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:04:03,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:04:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:05,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:05,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 105 states and 195 transitions. [2020-11-29 19:04:05,260 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 195 transitions. [2020-11-29 19:04:05,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 19:04:05,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:04:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-29 19:04:06,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 107 states and 199 transitions. [2020-11-29 19:04:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 199 transitions. [2020-11-29 19:04:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:04:06,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:04:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:08,000 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:04:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 105 states and 194 transitions. [2020-11-29 19:04:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 194 transitions. [2020-11-29 19:04:10,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:04:10,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:04:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 19:04:10,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:10,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 107 states and 197 transitions. [2020-11-29 19:04:10,389 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 197 transitions. [2020-11-29 19:04:10,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:04:10,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:04:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:10,411 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 19:04:11,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:11,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 108 states and 197 transitions. [2020-11-29 19:04:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 197 transitions. [2020-11-29 19:04:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:04:11,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:04:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 19:04:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:12,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 111 states and 200 transitions. [2020-11-29 19:04:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 200 transitions. [2020-11-29 19:04:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 19:04:12,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:04:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:12,378 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-11-29 19:04:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:13,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 114 states and 202 transitions. [2020-11-29 19:04:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 202 transitions. [2020-11-29 19:04:13,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:04:13,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:04:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:04:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:14,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 117 states and 205 transitions. [2020-11-29 19:04:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 205 transitions. [2020-11-29 19:04:14,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:04:14,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:04:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:14,961 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-29 19:04:15,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:15,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 116 states and 202 transitions. [2020-11-29 19:04:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 202 transitions. [2020-11-29 19:04:15,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 19:04:15,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:04:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:04:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-11-29 19:04:17,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:04:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2020-11-29 19:04:17,010 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2020-11-29 19:04:17,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:04:17,011 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 49 iterations. [2020-11-29 19:04:17,016 INFO L765 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2020-11-29 19:04:17,196 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2020-11-29 19:04:17,320 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2020-11-29 19:04:17,449 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2020-11-29 19:04:17,607 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-11-29 19:04:17,722 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2020-11-29 19:04:18,026 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 36 [2020-11-29 19:04:18,175 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2020-11-29 19:04:18,176 INFO L569 CodeCheckObserver]: Invariant with dag size 33 [2020-11-29 19:04:18,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,202 INFO L569 CodeCheckObserver]: Invariant with dag size 26 [2020-11-29 19:04:18,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,215 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 19:04:18,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,216 INFO L569 CodeCheckObserver]: Invariant with dag size 36 [2020-11-29 19:04:18,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:04:18 ImpRootNode [2020-11-29 19:04:18,221 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:04:18,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:04:18,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:04:18,221 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:04:18,222 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:03:05" (3/4) ... [2020-11-29 19:04:18,225 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:04:18,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2020-11-29 19:04:18,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-29 19:04:18,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:04:18,258 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\valid[numbers] == 1 && i == 0) && unknown-#length-unknown[numbers] == array_size * 4) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 0 < array_size) && numbers == 0) || ((((((1 <= i && \valid[numbers] == 1) && 1 <= array_size) && i <= 1) && unknown-#length-unknown[numbers] == array_size * 4) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0)) || (((((2 < i && \valid[numbers] == 1) && 1 <= array_size) && unknown-#length-unknown[numbers] == array_size * 4) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0)) || (((((1 < i && \valid[numbers] == 1) && unknown-#length-unknown[numbers] == array_size * 4) && 2 <= array_size) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0) [2020-11-29 19:04:18,259 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((array_size <= i && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 1 == \valid[numbers]) || ((((4 * array_size <= unknown-#length-unknown[numbers] && 1 <= i) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 0 == numbers) && 1 == \valid[numbers])) || ((((4 * array_size <= unknown-#length-unknown[numbers] && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 0 == numbers) && 0 == i) && 1 == \valid[numbers]) [2020-11-29 19:04:18,259 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((p + 1 <= unknown-#length-unknown[p] && \valid[p] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 1 == \valid[numbers]) && array_size <= i + 1) && 0 < p + 1) || (((((((4 * array_size <= unknown-#length-unknown[numbers] && 0 <= numbers + 4 * i + 2) && p + 1 <= unknown-#length-unknown[p]) && \valid[p] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 0 == numbers) && 1 == \valid[numbers]) && 0 < p + 1) [2020-11-29 19:04:18,260 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-29 19:04:18,291 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_adad686c-7a6f-4e2e-851b-4a63ce25fa08/bin/ukojak/witness.graphml [2020-11-29 19:04:18,291 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:04:18,292 INFO L168 Benchmark]: Toolchain (without parser) took 73945.91 ms. Allocated memory was 119.5 MB in the beginning and 755.0 MB in the end (delta: 635.4 MB). Free memory was 89.3 MB in the beginning and 614.0 MB in the end (delta: -524.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:18,293 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 79.7 MB. Free memory was 38.1 MB in the beginning and 38.0 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:04:18,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.89 ms. Allocated memory is still 119.5 MB. Free memory was 89.0 MB in the beginning and 84.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:18,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.18 ms. Allocated memory is still 119.5 MB. Free memory was 84.2 MB in the beginning and 82.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:18,298 INFO L168 Benchmark]: Boogie Preprocessor took 47.76 ms. Allocated memory is still 119.5 MB. Free memory was 82.2 MB in the beginning and 81.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:18,299 INFO L168 Benchmark]: RCFGBuilder took 748.83 ms. Allocated memory is still 119.5 MB. Free memory was 81.0 MB in the beginning and 56.6 MB in the end (delta: 24.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:18,300 INFO L168 Benchmark]: CodeCheck took 72412.26 ms. Allocated memory was 119.5 MB in the beginning and 755.0 MB in the end (delta: 635.4 MB). Free memory was 56.6 MB in the beginning and 617.2 MB in the end (delta: -560.6 MB). Peak memory consumption was 428.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:18,305 INFO L168 Benchmark]: Witness Printer took 70.02 ms. Allocated memory is still 755.0 MB. Free memory was 617.2 MB in the beginning and 614.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:04:18,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 20 locations, 9 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 71.1s, OverallIterations: 49, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -141919946 SDslu, 1416962096 SDs, 0 SdLazy, 1442288702 SolverSat, 1649422600 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 44.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6587 GetRequests, 5868 SyntacticMatches, 251 SemanticMatches, 468 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112143 ImplicationChecksByTransitivity, 66.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.6s InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 590 ConstructedInterpolants, 0 QuantifiedInterpolants, 63838 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 16 PerfectInterpolantSequences, 261/392 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 536]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 536]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 527]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 522]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 520]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 534]: Loop Invariant [2020-11-29 19:04:18,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,324 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((((((\valid[numbers] == 1 && i == 0) && unknown-#length-unknown[numbers] == array_size * 4) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 0 < array_size) && numbers == 0) || ((((((1 <= i && \valid[numbers] == 1) && 1 <= array_size) && i <= 1) && unknown-#length-unknown[numbers] == array_size * 4) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0)) || (((((2 < i && \valid[numbers] == 1) && 1 <= array_size) && unknown-#length-unknown[numbers] == array_size * 4) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0)) || (((((1 < i && \valid[numbers] == 1) && unknown-#length-unknown[numbers] == array_size * 4) && 2 <= array_size) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && numbers == 0) - InvariantResult [Line: 517]: Loop Invariant [2020-11-29 19:04:18,325 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,326 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,326 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,332 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((array_size <= i && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 1 == \valid[numbers]) || ((((4 * array_size <= unknown-#length-unknown[numbers] && 1 <= i) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 0 == numbers) && 1 == \valid[numbers])) || ((((4 * array_size <= unknown-#length-unknown[numbers] && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 0 == numbers) && 0 == i) && 1 == \valid[numbers]) - InvariantResult [Line: 527]: Loop Invariant [2020-11-29 19:04:18,333 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 520]: Loop Invariant [2020-11-29 19:04:18,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-29 19:04:18,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:04:18,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((((p + 1 <= unknown-#length-unknown[p] && \valid[p] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 1 == \valid[numbers]) && array_size <= i + 1) && 0 < p + 1) || (((((((4 * array_size <= unknown-#length-unknown[numbers] && 0 <= numbers + 4 * i + 2) && p + 1 <= unknown-#length-unknown[p]) && \valid[p] == 1) && \valid[__builtin_alloca (array_size * sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)) && 0 == numbers) && 1 == \valid[numbers]) && 0 < p + 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 79.7 MB. Free memory was 38.1 MB in the beginning and 38.0 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 598.89 ms. Allocated memory is still 119.5 MB. Free memory was 89.0 MB in the beginning and 84.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.18 ms. Allocated memory is still 119.5 MB. Free memory was 84.2 MB in the beginning and 82.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.76 ms. Allocated memory is still 119.5 MB. Free memory was 82.2 MB in the beginning and 81.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 748.83 ms. Allocated memory is still 119.5 MB. Free memory was 81.0 MB in the beginning and 56.6 MB in the end (delta: 24.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 72412.26 ms. Allocated memory was 119.5 MB in the beginning and 755.0 MB in the end (delta: 635.4 MB). Free memory was 56.6 MB in the beginning and 617.2 MB in the end (delta: -560.6 MB). Peak memory consumption was 428.9 MB. Max. memory is 16.1 GB. * Witness Printer took 70.02 ms. Allocated memory is still 755.0 MB. Free memory was 617.2 MB in the beginning and 614.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 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 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 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 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 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 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 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 #length - 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 #length - 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 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 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 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 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 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 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 #length - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...