./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcpy-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_bf44acd4-8183-41b2-8fe3-b8b2463bb995/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/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 109b8bf9931c925f911ad0fbf9e2b946a30b466d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:58:52,081 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:58:52,083 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:58:52,090 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:58:52,090 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:58:52,091 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:58:52,092 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:58:52,093 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:58:52,094 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:58:52,095 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:58:52,095 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:58:52,095 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:58:52,096 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:58:52,097 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:58:52,097 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:58:52,098 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:58:52,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:58:52,100 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:58:52,101 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:58:52,102 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:58:52,103 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:58:52,104 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:58:52,106 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:58:52,106 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:58:52,106 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:58:52,107 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:58:52,108 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:58:52,108 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:58:52,109 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:58:52,110 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:58:52,110 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:58:52,111 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:58:52,111 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:58:52,111 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:58:52,111 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:58:52,112 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:58:52,112 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 00:58:52,123 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:58:52,123 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:58:52,124 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:58:52,124 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:58:52,125 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:58:52,125 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:58:52,125 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 00:58:52,125 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:58:52,125 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:58:52,125 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:58:52,125 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 00:58:52,125 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 00:58:52,125 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 00:58:52,125 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:58:52,126 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:58:52,126 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:58:52,126 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:58:52,126 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:58:52,126 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:58:52,126 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:58:52,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:58:52,127 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:58:52,127 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:58:52,127 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:58:52,127 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:58:52,127 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_bf44acd4-8183-41b2-8fe3-b8b2463bb995/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 -> 109b8bf9931c925f911ad0fbf9e2b946a30b466d [2018-12-09 00:58:52,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:58:52,160 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:58:52,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:58:52,164 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:58:52,165 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:58:52,165 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-12-09 00:58:52,211 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/bin-2019/ukojak/data/8aaa23571/635e3cdd6ba4456d8948352d3bdfceed/FLAG82b64055b [2018-12-09 00:58:52,620 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:58:52,620 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/sv-benchmarks/c/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-12-09 00:58:52,626 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/bin-2019/ukojak/data/8aaa23571/635e3cdd6ba4456d8948352d3bdfceed/FLAG82b64055b [2018-12-09 00:58:52,636 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/bin-2019/ukojak/data/8aaa23571/635e3cdd6ba4456d8948352d3bdfceed [2018-12-09 00:58:52,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:58:52,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:58:52,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:58:52,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:58:52,643 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:58:52,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:58:52" (1/1) ... [2018-12-09 00:58:52,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac4e85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52, skipping insertion in model container [2018-12-09 00:58:52,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:58:52" (1/1) ... [2018-12-09 00:58:52,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:58:52,676 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:58:52,847 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:58:52,853 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:58:52,912 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:58:52,939 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:58:52,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52 WrapperNode [2018-12-09 00:58:52,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:58:52,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:58:52,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:58:52,940 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:58:52,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52" (1/1) ... [2018-12-09 00:58:52,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52" (1/1) ... [2018-12-09 00:58:52,964 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:58:52,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:58:52,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:58:52,965 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:58:52,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52" (1/1) ... [2018-12-09 00:58:52,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52" (1/1) ... [2018-12-09 00:58:52,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52" (1/1) ... [2018-12-09 00:58:52,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52" (1/1) ... [2018-12-09 00:58:52,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52" (1/1) ... [2018-12-09 00:58:52,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52" (1/1) ... [2018-12-09 00:58:52,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52" (1/1) ... [2018-12-09 00:58:52,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:58:52,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:58:52,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:58:52,978 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:58:52,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:58:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/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 [2018-12-09 00:58:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:58:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 00:58:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 00:58:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 00:58:53,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:58:53,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:58:53,179 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:58:53,179 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 00:58:53,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:58:53 BoogieIcfgContainer [2018-12-09 00:58:53,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:58:53,180 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:58:53,180 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:58:53,186 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:58:53,186 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:58:53" (1/1) ... [2018-12-09 00:58:53,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:58:53,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:58:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-12-09 00:58:53,214 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-12-09 00:58:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 00:58:53,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:58:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:58:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:58:53,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:58:53,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-12-09 00:58:53,319 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-12-09 00:58:53,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 00:58:53,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:58:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:58:53,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:58:53,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:58:53,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-12-09 00:58:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-12-09 00:58:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 00:58:53,359 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:58:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:58:53,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:58:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:58:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-12-09 00:58:53,520 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-12-09 00:58:53,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 00:58:53,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:58:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:58:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:58:53,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:58:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-12-09 00:58:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-12-09 00:58:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 00:58:53,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:58:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:58:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:58:53,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:58:53,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2018-12-09 00:58:53,879 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-12-09 00:58:53,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 00:58:53,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:58:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:58:53,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:58:54,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:58:54,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2018-12-09 00:58:54,376 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-12-09 00:58:54,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 00:58:54,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:58:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:58:54,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:58:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:58:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2018-12-09 00:58:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-12-09 00:58:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:58:55,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:58:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:58:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:58:57,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:58:57,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-12-09 00:58:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-12-09 00:58:57,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:58:57,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:58:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:58:57,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:58:58,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:58:58,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-12-09 00:58:58,306 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-12-09 00:58:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:58:58,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:58:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:58:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:59:00,286 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-09 00:59:01,547 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-12-09 00:59:02,208 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2018-12-09 00:59:02,729 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-12-09 00:59:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:59:04,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2018-12-09 00:59:04,615 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2018-12-09 00:59:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:59:04,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:59:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:59:04,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:59:06,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:59:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2018-12-09 00:59:06,489 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2018-12-09 00:59:06,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 00:59:06,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:59:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:59:07,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:59:10,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:59:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2018-12-09 00:59:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2018-12-09 00:59:10,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:59:10,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:59:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:59:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 00:59:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:59:11,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2018-12-09 00:59:11,132 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2018-12-09 00:59:11,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:59:11,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:59:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:59:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 00:59:12,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:59:12,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 54 states and 87 transitions. [2018-12-09 00:59:12,443 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 87 transitions. [2018-12-09 00:59:12,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:59:12,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:59:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:59:13,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:59:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:59:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2018-12-09 00:59:20,071 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2018-12-09 00:59:20,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 00:59:20,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:59:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:59:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:59:22,719 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-12-09 00:59:23,179 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-09 00:59:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:59:25,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 62 states and 111 transitions. [2018-12-09 00:59:25,083 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2018-12-09 00:59:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:59:25,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:59:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:59:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:59:32,718 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2018-12-09 00:59:38,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:59:38,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 143 transitions. [2018-12-09 00:59:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 143 transitions. [2018-12-09 00:59:38,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 00:59:38,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:59:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:59:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 00:59:43,019 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-12-09 00:59:44,067 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-12-09 00:59:45,046 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-12-09 00:59:46,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:59:46,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 74 states and 151 transitions. [2018-12-09 00:59:46,415 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 151 transitions. [2018-12-09 00:59:46,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 00:59:46,415 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:59:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:59:46,424 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:59:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:59:48,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 75 states and 154 transitions. [2018-12-09 00:59:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 154 transitions. [2018-12-09 00:59:48,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 00:59:48,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:59:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:59:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:59:54,670 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 64 [2018-12-09 00:59:55,892 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2018-12-09 01:00:04,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:00:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 79 states and 169 transitions. [2018-12-09 01:00:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 169 transitions. [2018-12-09 01:00:04,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 01:00:04,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:00:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:00:04,185 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:00:05,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:00:05,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 80 states and 175 transitions. [2018-12-09 01:00:05,439 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 175 transitions. [2018-12-09 01:00:05,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 01:00:05,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 01:00:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:00:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 01:00:12,384 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2018-12-09 01:00:14,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 01:00:14,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2018-12-09 01:00:14,006 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-12-09 01:00:14,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:00:14,006 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2018-12-09 01:00:14,011 INFO L779 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2018-12-09 01:00:14,180 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2018-12-09 01:00:14,463 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-12-09 01:00:14,463 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 01:00:14,466 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,469 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,470 INFO L583 CodeCheckObserver]: Invariant with dag size 52 [2018-12-09 01:00:14,472 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 01:00:14,472 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,473 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,473 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,473 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,473 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,474 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,474 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,474 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,474 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,474 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 01:00:14,474 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,475 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,475 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,475 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,475 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,475 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,476 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,476 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,476 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,485 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 01:00:14,485 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,485 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,485 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,485 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,486 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,486 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,486 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,486 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,486 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,486 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 01:00:14,486 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,486 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,486 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,487 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,487 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,487 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,487 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,487 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,487 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,487 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-09 01:00:14,488 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,488 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,488 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,488 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,488 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,489 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,489 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,489 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,489 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,489 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 01:00:14 ImpRootNode [2018-12-09 01:00:14,490 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 01:00:14,490 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:00:14,490 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:00:14,491 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:00:14,491 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:58:53" (3/4) ... [2018-12-09 01:00:14,494 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:00:14,499 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-09 01:00:14,499 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 01:00:14,499 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 01:00:14,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-09 01:00:14,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == unknown-#memory_int-unknown[src][unknown-#length-unknown[src] + -1] && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))]) && 0 == dst) && 1 == \valid[src]) && 1 <= unknown-#length-unknown[src]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && !(dst == src)) && 0 == src) && 1 == \valid[dst]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length2 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))]][__builtin_alloca (length1 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]]) && !(__builtin_alloca (length1 * sizeof(char)) == __builtin_alloca (length2 * sizeof(char)))) && unknown-#length-unknown[src] <= unknown-#length-unknown[dst]) || (((((((((((0 == unknown-#memory_int-unknown[src][unknown-#length-unknown[src] + -1] && 1 <= src) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && unknown-#length-unknown[src] + dst <= src + unknown-#length-unknown[dst]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))]) && src + 1 <= unknown-#length-unknown[src]) && 1 <= dst) && 1 == \valid[src]) && !(dst == src)) && 1 == \valid[dst]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length2 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))]][__builtin_alloca (length1 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]]) && !(__builtin_alloca (length1 * sizeof(char)) == __builtin_alloca (length2 * sizeof(char)))) [2018-12-09 01:00:14,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))] && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length2 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))]][__builtin_alloca (length1 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]]) && !(__builtin_alloca (length1 * sizeof(char)) == __builtin_alloca (length2 * sizeof(char))) [2018-12-09 01:00:14,527 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bf44acd4-8183-41b2-8fe3-b8b2463bb995/bin-2019/ukojak/witness.graphml [2018-12-09 01:00:14,527 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:00:14,528 INFO L168 Benchmark]: Toolchain (without parser) took 81889.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -158.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:00:14,528 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-12-09 01:00:14,528 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 01:00:14,529 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.18 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. [2018-12-09 01:00:14,529 INFO L168 Benchmark]: Boogie Preprocessor took 13.72 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. [2018-12-09 01:00:14,529 INFO L168 Benchmark]: RCFGBuilder took 201.05 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:00:14,529 INFO L168 Benchmark]: CodeCheck took 81310.42 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -59.4 MB). Peak memory consumption was 342.0 MB. Max. memory is 11.5 GB. [2018-12-09 01:00:14,529 INFO L168 Benchmark]: Witness Printer took 37.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 01:00:14,531 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, 23 locations, 7 error locations. SAFE Result, 80.8s OverallTime, 23 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4259840 SDtfs, 5155760 SDslu, 6779392 SDs, 0 SdLazy, 53836374 SolverSat, 24937354 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2852 GetRequests, 2307 SyntacticMatches, 93 SemanticMatches, 452 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95294 ImplicationChecksByTransitivity, 78.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 50181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 9 PerfectInterpolantSequences, 51/214 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: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 548]: Loop Invariant [2018-12-09 01:00:14,532 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,533 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 544]: Loop Invariant [2018-12-09 01:00:14,534 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 01:00:14,534 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,534 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,534 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 01:00:14,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,535 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,536 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,536 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,536 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,536 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,536 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,537 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 01:00:14,537 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,537 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,537 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,537 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,537 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,537 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,538 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,538 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,538 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,538 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 01:00:14,538 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,538 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,538 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,538 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,538 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,538 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 01:00:14,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((((((((((0 == unknown-#memory_int-unknown[src][unknown-#length-unknown[src] + -1] && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))]) && 0 == dst) && 1 == \valid[src]) && 1 <= unknown-#length-unknown[src]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && !(dst == src)) && 0 == src) && 1 == \valid[dst]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length2 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))]][__builtin_alloca (length1 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]]) && !(__builtin_alloca (length1 * sizeof(char)) == __builtin_alloca (length2 * sizeof(char)))) && unknown-#length-unknown[src] <= unknown-#length-unknown[dst]) || (((((((((((0 == unknown-#memory_int-unknown[src][unknown-#length-unknown[src] + -1] && 1 <= src) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && unknown-#length-unknown[src] + dst <= src + unknown-#length-unknown[dst]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))]) && src + 1 <= unknown-#length-unknown[src]) && 1 <= dst) && 1 == \valid[src]) && !(dst == src)) && 1 == \valid[dst]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length2 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))]][__builtin_alloca (length1 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]]) && !(__builtin_alloca (length1 * sizeof(char)) == __builtin_alloca (length2 * sizeof(char)))) - InvariantResult [Line: 544]: Loop Invariant [2018-12-09 01:00:14,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,539 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 01:00:14,540 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((\valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char)) := 0][__builtin_alloca (length2 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))] && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (length2 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length2 * sizeof(char))]][__builtin_alloca (length1 * sizeof(char)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]]) && !(__builtin_alloca (length1 * sizeof(char)) == __builtin_alloca (length2 * sizeof(char))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 299.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.18 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 13.72 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 201.05 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: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * CodeCheck took 81310.42 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -59.4 MB). Peak memory consumption was 342.0 MB. Max. memory is 11.5 GB. * Witness Printer took 37.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 #memory_int - 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...