./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_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/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_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/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 [2018-12-02 05:36:12,761 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:36:12,762 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:36:12,768 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:36:12,768 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:36:12,769 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:36:12,769 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:36:12,770 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:36:12,771 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:36:12,771 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:36:12,772 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:36:12,772 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:36:12,772 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:36:12,773 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:36:12,773 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:36:12,773 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:36:12,774 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:36:12,775 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:36:12,775 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:36:12,776 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:36:12,777 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:36:12,777 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:36:12,778 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:36:12,778 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:36:12,778 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:36:12,779 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:36:12,779 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:36:12,779 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:36:12,780 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:36:12,780 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:36:12,780 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:36:12,781 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:36:12,781 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:36:12,781 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:36:12,781 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:36:12,782 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:36:12,782 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-02 05:36:12,788 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:36:12,789 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:36:12,789 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 05:36:12,789 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 05:36:12,790 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:36:12,790 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:36:12,790 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 05:36:12,790 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:36:12,790 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:36:12,790 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:36:12,790 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 05:36:12,790 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 05:36:12,790 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 05:36:12,790 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:36:12,790 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:36:12,791 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 05:36:12,791 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 05:36:12,791 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 05:36:12,791 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:36:12,791 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:36:12,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 05:36:12,791 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:36:12,791 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:36:12,791 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 05:36:12,791 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:36:12,791 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_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/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 [2018-12-02 05:36:12,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:36:12,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:36:12,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:36:12,820 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:36:12,820 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:36:12,820 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-12-02 05:36:12,865 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/bin-2019/ukojak/data/9dc2f816e/b1774f8767a14a14bb6b1ab1f04df5c6/FLAG0148755fa [2018-12-02 05:36:13,292 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:36:13,292 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/sv-benchmarks/c/array-memsafety/cstrcpy-alloca_true-valid-memsafety_true-termination.i [2018-12-02 05:36:13,298 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/bin-2019/ukojak/data/9dc2f816e/b1774f8767a14a14bb6b1ab1f04df5c6/FLAG0148755fa [2018-12-02 05:36:13,306 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/bin-2019/ukojak/data/9dc2f816e/b1774f8767a14a14bb6b1ab1f04df5c6 [2018-12-02 05:36:13,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:36:13,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:36:13,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:36:13,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:36:13,311 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:36:13,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178df10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13, skipping insertion in model container [2018-12-02 05:36:13,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:36:13,334 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:36:13,473 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:36:13,479 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:36:13,539 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:36:13,564 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:36:13,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13 WrapperNode [2018-12-02 05:36:13,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:36:13,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:36:13,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:36:13,565 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:36:13,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:36:13,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:36:13,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:36:13,591 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:36:13,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:36:13,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:36:13,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:36:13,604 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:36:13,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:36:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 05:36:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:36:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 05:36:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 05:36:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 05:36:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:36:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:36:13,790 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:36:13,790 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 05:36:13,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:36:13 BoogieIcfgContainer [2018-12-02 05:36:13,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:36:13,791 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 05:36:13,791 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 05:36:13,797 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 05:36:13,797 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:36:13" (1/1) ... [2018-12-02 05:36:13,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:36:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:13,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-12-02 05:36:13,825 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-12-02 05:36:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 05:36:13,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:13,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-12-02 05:36:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-12-02 05:36:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 05:36:13,929 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2018-12-02 05:36:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2018-12-02 05:36:13,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 05:36:13,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:14,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-12-02 05:36:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-12-02 05:36:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 05:36:14,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:14,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-12-02 05:36:14,248 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-12-02 05:36:14,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 05:36:14,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:14,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2018-12-02 05:36:14,501 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-12-02 05:36:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 05:36:14,503 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:14,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:14,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2018-12-02 05:36:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-12-02 05:36:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-02 05:36:14,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:15,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2018-12-02 05:36:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-12-02 05:36:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 05:36:15,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:17,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:17,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-12-02 05:36:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-12-02 05:36:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 05:36:17,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:18,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:20,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-12-02 05:36:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-12-02 05:36:20,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 05:36:20,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 05:36:21,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:21,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2018-12-02 05:36:21,962 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2018-12-02 05:36:21,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 05:36:21,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:25,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2018-12-02 05:36:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2018-12-02 05:36:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 05:36:25,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:25,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:27,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2018-12-02 05:36:27,179 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2018-12-02 05:36:27,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 05:36:27,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 56 states and 102 transitions. [2018-12-02 05:36:34,170 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 102 transitions. [2018-12-02 05:36:34,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 05:36:34,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:34,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 05:36:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 59 states and 107 transitions. [2018-12-02 05:36:35,897 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2018-12-02 05:36:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 05:36:35,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:35,906 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 05:36:37,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:37,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 60 states and 110 transitions. [2018-12-02 05:36:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 110 transitions. [2018-12-02 05:36:37,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 05:36:37,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:36:39,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:39,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 61 states and 115 transitions. [2018-12-02 05:36:39,664 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 115 transitions. [2018-12-02 05:36:39,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 05:36:39,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:39,848 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 05:36:41,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:41,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 63 states and 117 transitions. [2018-12-02 05:36:41,260 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 117 transitions. [2018-12-02 05:36:41,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 05:36:41,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 05:36:50,784 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2018-12-02 05:36:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 74 states and 152 transitions. [2018-12-02 05:36:55,042 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 152 transitions. [2018-12-02 05:36:55,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 05:36:55,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 05:36:55,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:55,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 74 states and 151 transitions. [2018-12-02 05:36:55,834 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 151 transitions. [2018-12-02 05:36:55,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 05:36:55,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:55,842 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 05:36:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:36:57,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 75 states and 155 transitions. [2018-12-02 05:36:57,727 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 155 transitions. [2018-12-02 05:36:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 05:36:57,727 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:36:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:36:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 05:37:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:37:02,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2018-12-02 05:37:02,155 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2018-12-02 05:37:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 05:37:02,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:37:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:37:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 05:37:02,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:37:02,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 76 states and 161 transitions. [2018-12-02 05:37:02,978 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 161 transitions. [2018-12-02 05:37:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 05:37:02,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:37:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:37:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 05:37:03,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:37:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 77 states and 163 transitions. [2018-12-02 05:37:03,661 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 163 transitions. [2018-12-02 05:37:03,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 05:37:03,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:37:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:37:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:37:15,711 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-12-02 05:37:19,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:37:19,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 81 states and 178 transitions. [2018-12-02 05:37:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 178 transitions. [2018-12-02 05:37:19,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 05:37:19,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:37:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:37:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:37:21,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:37:21,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 82 states and 184 transitions. [2018-12-02 05:37:21,043 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 184 transitions. [2018-12-02 05:37:21,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 05:37:21,044 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 05:37:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:37:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 05:37:29,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 05:37:29,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2018-12-02 05:37:29,089 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2018-12-02 05:37:29,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 05:37:29,089 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2018-12-02 05:37:29,095 INFO L779 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2018-12-02 05:37:29,295 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2018-12-02 05:37:29,578 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-12-02 05:37:29,578 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-02 05:37:29,581 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,584 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,585 INFO L583 CodeCheckObserver]: Invariant with dag size 52 [2018-12-02 05:37:29,586 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:37:29,586 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,587 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,587 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,587 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,587 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,587 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,587 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,587 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,588 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,588 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:37:29,588 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,588 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,588 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,588 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,588 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,588 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,589 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,589 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,589 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,591 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:37:29,592 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,592 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,592 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,592 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,592 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,593 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,593 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,593 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,593 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,593 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:37:29,593 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,594 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,594 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,594 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,594 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,595 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,595 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,595 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,595 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,596 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-02 05:37:29,596 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,597 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,597 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,597 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,597 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,598 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,598 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,598 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,598 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,598 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:37:29 ImpRootNode [2018-12-02 05:37:29,599 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 05:37:29,599 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:37:29,599 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:37:29,600 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:37:29,600 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:36:13" (3/4) ... [2018-12-02 05:37:29,602 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 05:37:29,608 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-02 05:37:29,608 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 05:37:29,608 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 05:37:29,624 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-02 05:37:29,624 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)))) [2018-12-02 05:37:29,625 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))) [2018-12-02 05:37:29,638 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59ad6db8-bc7a-4f5e-aa74-b9e1ab6e208d/bin-2019/ukojak/witness.graphml [2018-12-02 05:37:29,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:37:29,639 INFO L168 Benchmark]: Toolchain (without parser) took 76331.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 951.7 MB in the beginning and 864.0 MB in the end (delta: 87.7 MB). Peak memory consumption was 248.6 MB. Max. memory is 11.5 GB. [2018-12-02 05:37:29,640 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:37:29,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 05:37:29,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 05:37:29,640 INFO L168 Benchmark]: Boogie Preprocessor took 13.69 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:37:29,641 INFO L168 Benchmark]: RCFGBuilder took 186.32 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. [2018-12-02 05:37:29,641 INFO L168 Benchmark]: CodeCheck took 75808.38 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 864.0 MB in the end (delta: 194.6 MB). Peak memory consumption was 258.6 MB. Max. memory is 11.5 GB. [2018-12-02 05:37:29,641 INFO L168 Benchmark]: Witness Printer took 38.89 ms. Allocated memory is still 1.2 GB. Free memory was 864.0 MB in the beginning and 864.0 MB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. Max. memory is 11.5 GB. [2018-12-02 05:37:29,643 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, 75.2s OverallTime, 27 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 68157440 SDtfs, 80536724 SDslu, 107193344 SDs, 0 SdLazy, 866617594 SolverSat, 402237974 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3747 GetRequests, 3151 SyntacticMatches, 128 SemanticMatches, 468 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100555 ImplicationChecksByTransitivity, 73.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 327 NumberOfCodeBlocks, 327 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 77333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 11 PerfectInterpolantSequences, 130/300 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: 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: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 548]: Loop Invariant [2018-12-02 05:37:29,644 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,644 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 544]: Loop Invariant [2018-12-02 05:37:29,645 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:37:29,645 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,645 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,646 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,646 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,646 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,646 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,646 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,646 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,646 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,646 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:37:29,646 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,646 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,647 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,647 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,647 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,647 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,647 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,647 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,647 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,648 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:37:29,648 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,648 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,648 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,648 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-02 05:37:29,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,649 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,650 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,650 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-02 05:37:29,650 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,650 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,650 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 [2018-12-02 05:37:29,650 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,651 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,651 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,651 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,651 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,651 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,651 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,651 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,651 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-02 05:37:29,651 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 0.15 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 255.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -134.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.30 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 13.69 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 186.32 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 75808.38 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 64.0 MB). Free memory was 1.1 GB in the beginning and 864.0 MB in the end (delta: 194.6 MB). Peak memory consumption was 258.6 MB. Max. memory is 11.5 GB. * Witness Printer took 38.89 ms. Allocated memory is still 1.2 GB. Free memory was 864.0 MB in the beginning and 864.0 MB in the end (delta: 2.2 kB). Peak memory consumption was 2.2 kB. 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...