./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/count_down-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_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/count_down-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/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 f25230c4e3ada1aa4514132cfb87afb0e539c23b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:13:38,427 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:13:38,429 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:13:38,436 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:13:38,436 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:13:38,437 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:13:38,437 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:13:38,438 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:13:38,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:13:38,439 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:13:38,440 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:13:38,440 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:13:38,440 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:13:38,441 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:13:38,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:13:38,442 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:13:38,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:13:38,443 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:13:38,444 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:13:38,444 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:13:38,445 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:13:38,446 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:13:38,447 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:13:38,447 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:13:38,448 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:13:38,448 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:13:38,449 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:13:38,449 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:13:38,449 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:13:38,450 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:13:38,450 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:13:38,450 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:13:38,450 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:13:38,450 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:13:38,451 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:13:38,451 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:13:38,451 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-01 22:13:38,458 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:13:38,458 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:13:38,459 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:13:38,459 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:13:38,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:13:38,459 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:13:38,460 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 22:13:38,460 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:13:38,460 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:13:38,460 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:13:38,460 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-01 22:13:38,460 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-01 22:13:38,460 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-01 22:13:38,461 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:13:38,461 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:13:38,461 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:13:38,461 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 22:13:38,461 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 22:13:38,461 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:13:38,462 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:13:38,462 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 22:13:38,462 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:13:38,462 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:13:38,462 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 22:13:38,462 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:13:38,463 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_b02eff62-e14b-4a87-8a27-8e124cad3e76/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 -> f25230c4e3ada1aa4514132cfb87afb0e539c23b [2018-12-01 22:13:38,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:13:38,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:13:38,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:13:38,495 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:13:38,495 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:13:38,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/count_down-alloca_true-valid-memsafety_true-termination.i [2018-12-01 22:13:38,530 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/data/f7ce8e998/54b3825626874d1bb0758e9317cfe187/FLAG2281d917e [2018-12-01 22:13:38,957 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:13:38,957 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/sv-benchmarks/c/array-memsafety/count_down-alloca_true-valid-memsafety_true-termination.i [2018-12-01 22:13:38,963 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/data/f7ce8e998/54b3825626874d1bb0758e9317cfe187/FLAG2281d917e [2018-12-01 22:13:38,971 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/data/f7ce8e998/54b3825626874d1bb0758e9317cfe187 [2018-12-01 22:13:38,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:13:38,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:13:38,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:13:38,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:13:38,977 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:13:38,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:13:38" (1/1) ... [2018-12-01 22:13:38,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ef7631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:38, skipping insertion in model container [2018-12-01 22:13:38,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:13:38" (1/1) ... [2018-12-01 22:13:38,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:13:39,000 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:13:39,155 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:13:39,162 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:13:39,214 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:13:39,232 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:13:39,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:39 WrapperNode [2018-12-01 22:13:39,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:13:39,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:13:39,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:13:39,233 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:13:39,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:39" (1/1) ... [2018-12-01 22:13:39,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:39" (1/1) ... [2018-12-01 22:13:39,257 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:13:39,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:13:39,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:13:39,257 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:13:39,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:39" (1/1) ... [2018-12-01 22:13:39,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:39" (1/1) ... [2018-12-01 22:13:39,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:39" (1/1) ... [2018-12-01 22:13:39,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:39" (1/1) ... [2018-12-01 22:13:39,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:39" (1/1) ... [2018-12-01 22:13:39,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:39" (1/1) ... [2018-12-01 22:13:39,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:39" (1/1) ... [2018-12-01 22:13:39,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:13:39,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:13:39,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:13:39,271 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:13:39,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:13:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 22:13:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 22:13:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 22:13:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 22:13:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 22:13:39,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:13:39,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:13:39,485 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:13:39,485 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 22:13:39,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:13:39 BoogieIcfgContainer [2018-12-01 22:13:39,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:13:39,486 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 22:13:39,486 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 22:13:39,493 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 22:13:39,493 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:13:39" (1/1) ... [2018-12-01 22:13:39,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:13:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-12-01 22:13:39,520 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-12-01 22:13:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 22:13:39,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:39,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-12-01 22:13:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-12-01 22:13:39,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 22:13:39,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:39,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2018-12-01 22:13:39,695 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-12-01 22:13:39,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-01 22:13:39,695 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:39,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-12-01 22:13:39,990 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-01 22:13:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 22:13:39,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:40,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-12-01 22:13:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-12-01 22:13:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-01 22:13:40,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:40,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:40,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2018-12-01 22:13:40,718 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-12-01 22:13:40,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 22:13:40,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:40,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:40,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2018-12-01 22:13:40,918 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2018-12-01 22:13:40,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 22:13:40,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:41,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2018-12-01 22:13:41,014 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2018-12-01 22:13:41,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-01 22:13:41,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:41,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:13:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:41,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2018-12-01 22:13:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2018-12-01 22:13:41,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-01 22:13:41,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:41,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 22:13:41,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:41,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-12-01 22:13:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-12-01 22:13:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 22:13:41,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:41,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:41,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-12-01 22:13:41,588 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-12-01 22:13:41,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 22:13:41,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:13:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:41,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-12-01 22:13:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-12-01 22:13:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:13:41,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:41,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:13:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:41,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-12-01 22:13:41,815 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-12-01 22:13:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 22:13:41,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:41,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-12-01 22:13:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-12-01 22:13:41,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 22:13:41,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:43,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2018-12-01 22:13:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2018-12-01 22:13:43,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 22:13:43,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 22:13:45,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:45,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-12-01 22:13:45,408 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-12-01 22:13:45,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 22:13:45,409 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:45,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 22:13:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:45,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2018-12-01 22:13:45,580 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2018-12-01 22:13:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 22:13:45,580 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:45,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:45,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-12-01 22:13:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-12-01 22:13:45,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 22:13:45,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 22:13:45,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:45,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 66 transitions. [2018-12-01 22:13:45,996 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2018-12-01 22:13:45,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-01 22:13:45,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:46,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:13:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:46,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-12-01 22:13:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-12-01 22:13:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 22:13:46,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:46,434 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:48,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 41 states and 81 transitions. [2018-12-01 22:13:48,026 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 81 transitions. [2018-12-01 22:13:48,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 22:13:48,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:48,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 22:13:48,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:48,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2018-12-01 22:13:48,280 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2018-12-01 22:13:48,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 22:13:48,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:48,286 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 22:13:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:48,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 84 transitions. [2018-12-01 22:13:48,681 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 84 transitions. [2018-12-01 22:13:48,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 22:13:48,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:48,699 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 22:13:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:49,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-12-01 22:13:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-12-01 22:13:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 22:13:49,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:49,073 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 22:13:49,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 82 transitions. [2018-12-01 22:13:49,326 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2018-12-01 22:13:49,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 22:13:49,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:49,563 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:51,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:51,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 94 transitions. [2018-12-01 22:13:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2018-12-01 22:13:51,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 22:13:51,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:51,522 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:13:51,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:51,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2018-12-01 22:13:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-12-01 22:13:51,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 22:13:51,818 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:51,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 22:13:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:52,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2018-12-01 22:13:52,023 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2018-12-01 22:13:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 22:13:52,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 22:13:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:52,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 99 transitions. [2018-12-01 22:13:52,292 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 99 transitions. [2018-12-01 22:13:52,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 22:13:52,293 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:52,302 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 22:13:52,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:52,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2018-12-01 22:13:52,993 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2018-12-01 22:13:52,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 22:13:52,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:53,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 22:13:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2018-12-01 22:13:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2018-12-01 22:13:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 22:13:53,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:13:53,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2018-12-01 22:13:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2018-12-01 22:13:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 22:13:53,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:53,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 22:13:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 112 transitions. [2018-12-01 22:13:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2018-12-01 22:13:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 22:13:53,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 22:13:54,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-12-01 22:13:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-12-01 22:13:54,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 22:13:54,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:54,021 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 22:13:54,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:54,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 57 states and 110 transitions. [2018-12-01 22:13:54,295 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 110 transitions. [2018-12-01 22:13:54,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 22:13:54,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:13:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 22:13:54,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:13:54,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2018-12-01 22:13:54,541 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2018-12-01 22:13:54,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:13:54,541 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2018-12-01 22:13:54,547 INFO L779 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2018-12-01 22:13:54,710 INFO L583 CodeCheckObserver]: Invariant with dag size 27 [2018-12-01 22:13:54,713 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,714 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,717 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,717 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,717 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,718 INFO L583 CodeCheckObserver]: Invariant with dag size 31 [2018-12-01 22:13:54,718 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,718 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,719 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,719 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,719 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,720 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,720 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,720 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,721 INFO L583 CodeCheckObserver]: Invariant with dag size 30 [2018-12-01 22:13:54,721 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,722 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,722 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,722 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,722 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,723 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,723 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,723 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,724 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,724 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,724 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-01 22:13:54,724 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,725 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:13:54 ImpRootNode [2018-12-01 22:13:54,725 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 22:13:54,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:13:54,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:13:54,726 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:13:54,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:13:39" (3/4) ... [2018-12-01 22:13:54,729 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:13:54,734 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-01 22:13:54,735 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 22:13:54,735 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 22:13:54,751 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((4 * length == unknown-#length-unknown[arr] && arr + 4 * i <= unknown-#length-unknown[arr]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length*sizeof(int)) := \valid[__builtin_alloca (length*sizeof(int)) := 0][__builtin_alloca (length*sizeof(int))]]) && 4 <= arr + 4 * i) && 1 == \valid[arr]) && arr == 0) || (((((1 <= length && 4 * length == unknown-#length-unknown[arr]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length*sizeof(int)) := \valid[__builtin_alloca (length*sizeof(int)) := 0][__builtin_alloca (length*sizeof(int))]]) && 1 == \valid[arr]) && i == 0) && arr == 0) [2018-12-01 22:13:54,751 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-01 22:13:54,751 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length*sizeof(int)) := \valid[__builtin_alloca (length*sizeof(int)) := 0][__builtin_alloca (length*sizeof(int))]] && 1 == \valid[arr]) && arr + 4 * length <= unknown-#length-unknown[arr]) && 4 <= arr + 4 * j) || (((((1 <= length && 4 * length == unknown-#length-unknown[arr]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length*sizeof(int)) := \valid[__builtin_alloca (length*sizeof(int)) := 0][__builtin_alloca (length*sizeof(int))]]) && 1 == \valid[arr]) && arr == 0) && j == 0) [2018-12-01 22:13:54,751 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((arr + 4 * j + 4 <= unknown-#length-unknown[arr] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length*sizeof(int)) := \valid[__builtin_alloca (length*sizeof(int)) := 0][__builtin_alloca (length*sizeof(int))]]) && 1 == \valid[arr]) && 0 < arr + 4 * j + 1) && arr + 4 * length <= unknown-#length-unknown[arr] [2018-12-01 22:13:54,766 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b02eff62-e14b-4a87-8a27-8e124cad3e76/bin-2019/ukojak/witness.graphml [2018-12-01 22:13:54,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:13:54,767 INFO L168 Benchmark]: Toolchain (without parser) took 15793.72 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 270.5 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -206.6 MB). Peak memory consumption was 64.0 MB. Max. memory is 11.5 GB. [2018-12-01 22:13:54,769 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-01 22:13:54,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-01 22:13:54,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.48 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. [2018-12-01 22:13:54,769 INFO L168 Benchmark]: Boogie Preprocessor took 13.96 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:13:54,769 INFO L168 Benchmark]: RCFGBuilder took 214.93 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-01 22:13:54,770 INFO L168 Benchmark]: CodeCheck took 15238.87 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.0 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:13:54,770 INFO L168 Benchmark]: Witness Printer took 41.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2018-12-01 22:13:54,771 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, 31 locations, 9 error locations. SAFE Result, 15.0s OverallTime, 36 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 343932928 SDtfs, -1382694896 SDslu, 326762592 SDs, 0 SdLazy, -1928484912 SolverSat, -1282834548 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3848 GetRequests, 3479 SyntacticMatches, 81 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40486 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 393 NumberOfCodeBlocks, 393 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 358 ConstructedInterpolants, 0 QuantifiedInterpolants, 34262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 23 PerfectInterpolantSequences, 115/134 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: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: 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: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 540]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 556]: 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 - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 555]: Loop Invariant [2018-12-01 22:13:54,772 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,772 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,772 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,773 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,773 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,773 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((arr + 4 * j + 4 <= unknown-#length-unknown[arr] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length*sizeof(int)) := \valid[__builtin_alloca (length*sizeof(int)) := 0][__builtin_alloca (length*sizeof(int))]]) && 1 == \valid[arr]) && 0 < arr + 4 * j + 1) && arr + 4 * length <= unknown-#length-unknown[arr] - InvariantResult [Line: 554]: Loop Invariant [2018-12-01 22:13:54,773 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,774 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length*sizeof(int)) := \valid[__builtin_alloca (length*sizeof(int)) := 0][__builtin_alloca (length*sizeof(int))]] && 1 == \valid[arr]) && arr + 4 * length <= unknown-#length-unknown[arr]) && 4 <= arr + 4 * j) || (((((1 <= length && 4 * length == unknown-#length-unknown[arr]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length*sizeof(int)) := \valid[__builtin_alloca (length*sizeof(int)) := 0][__builtin_alloca (length*sizeof(int))]]) && 1 == \valid[arr]) && arr == 0) && j == 0) - InvariantResult [Line: 547]: Loop Invariant [2018-12-01 22:13:54,775 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,775 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,775 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,775 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,775 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,776 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,776 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,776 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,776 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-01 22:13:54,776 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((((4 * length == unknown-#length-unknown[arr] && arr + 4 * i <= unknown-#length-unknown[arr]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length*sizeof(int)) := \valid[__builtin_alloca (length*sizeof(int)) := 0][__builtin_alloca (length*sizeof(int))]]) && 4 <= arr + 4 * i) && 1 == \valid[arr]) && arr == 0) || (((((1 <= length && 4 * length == unknown-#length-unknown[arr]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length*sizeof(int)) := \valid[__builtin_alloca (length*sizeof(int)) := 0][__builtin_alloca (length*sizeof(int))]]) && 1 == \valid[arr]) && i == 0) && arr == 0) - InvariantResult [Line: 540]: Loop Invariant [2018-12-01 22:13:54,776 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-01 22:13:54,776 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 258.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.48 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 13.96 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 214.93 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * CodeCheck took 15238.87 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -98.0 MB). Peak memory consumption was 63.4 MB. Max. memory is 11.5 GB. * Witness Printer took 41.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #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 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 #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 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 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 #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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...