./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1_false-valid-deref.c --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_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1_false-valid-deref.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/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 932f76685ed1816d93a388d0ab1addae9c51483a ......................................................................................................................................................................................................................................................................................................................................................................................... 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 14:35:53,791 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 14:35:53,792 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 14:35:53,801 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 14:35:53,801 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 14:35:53,802 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 14:35:53,803 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 14:35:53,804 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 14:35:53,805 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 14:35:53,806 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 14:35:53,806 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 14:35:53,806 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 14:35:53,807 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 14:35:53,808 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 14:35:53,808 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 14:35:53,809 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 14:35:53,810 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 14:35:53,811 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 14:35:53,812 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 14:35:53,813 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 14:35:53,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 14:35:53,814 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 14:35:53,816 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 14:35:53,816 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 14:35:53,816 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 14:35:53,817 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 14:35:53,817 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 14:35:53,818 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 14:35:53,819 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 14:35:53,819 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 14:35:53,819 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 14:35:53,820 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 14:35:53,820 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 14:35:53,820 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 14:35:53,821 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 14:35:53,821 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 14:35:53,822 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 14:35:53,828 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 14:35:53,829 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 14:35:53,829 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 14:35:53,829 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 14:35:53,830 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 14:35:53,830 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 14:35:53,830 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 14:35:53,830 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 14:35:53,830 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 14:35:53,830 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 14:35:53,830 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 14:35:53,830 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 14:35:53,830 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 14:35:53,830 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 14:35:53,830 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 14:35:53,831 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 14:35:53,831 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 14:35:53,831 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 14:35:53,831 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 14:35:53,831 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 14:35:53,831 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 14:35:53,831 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 14:35:53,831 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 14:35:53,831 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 14:35:53,831 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 14:35:53,832 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_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/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 -> 932f76685ed1816d93a388d0ab1addae9c51483a [2018-12-09 14:35:53,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 14:35:53,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 14:35:53,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 14:35:53,859 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 14:35:53,859 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 14:35:53,859 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/bin-2019/ukojak/../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1_false-valid-deref.c [2018-12-09 14:35:53,894 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/bin-2019/ukojak/data/f9b18456a/a069ee7533f94c2ab2a3a1f35fcb4381/FLAGe764ff228 [2018-12-09 14:35:54,307 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 14:35:54,307 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/sv-benchmarks/c/memsafety-ext3/naturalNumbers1_false-valid-deref.c [2018-12-09 14:35:54,311 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/bin-2019/ukojak/data/f9b18456a/a069ee7533f94c2ab2a3a1f35fcb4381/FLAGe764ff228 [2018-12-09 14:35:54,326 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/bin-2019/ukojak/data/f9b18456a/a069ee7533f94c2ab2a3a1f35fcb4381 [2018-12-09 14:35:54,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 14:35:54,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 14:35:54,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 14:35:54,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 14:35:54,332 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 14:35:54,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a03fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54, skipping insertion in model container [2018-12-09 14:35:54,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 14:35:54,351 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 14:35:54,447 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:35:54,453 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 14:35:54,464 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:35:54,473 INFO L195 MainTranslator]: Completed translation [2018-12-09 14:35:54,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54 WrapperNode [2018-12-09 14:35:54,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 14:35:54,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 14:35:54,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 14:35:54,474 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 14:35:54,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 14:35:54,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 14:35:54,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 14:35:54,497 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 14:35:54,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 14:35:54,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 14:35:54,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 14:35:54,546 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 14:35:54,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:35:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/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 14:35:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 14:35:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 14:35:54,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 14:35:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 14:35:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 14:35:54,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 14:35:54,694 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 14:35:54,694 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 14:35:54,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:35:54 BoogieIcfgContainer [2018-12-09 14:35:54,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 14:35:54,695 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 14:35:54,695 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 14:35:54,701 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 14:35:54,701 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:35:54" (1/1) ... [2018-12-09 14:35:54,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:35:54,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:35:54,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-12-09 14:35:54,728 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-12-09 14:35:54,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 14:35:54,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:35:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:35:54,812 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 14:35:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:35:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 14:35:54,835 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 14:35:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 14:35:54,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:35:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:35:54,887 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 14:35:54,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:35:54,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-12-09 14:35:54,969 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-12-09 14:35:54,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 14:35:54,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:35:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:35:55,036 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 14:35:55,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:35:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-12-09 14:35:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-12-09 14:35:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 14:35:55,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:35:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:35:55,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:35:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:35:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-12-09 14:35:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-12-09 14:35:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 14:35:55,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:35:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:35:55,284 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 14:35:55,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:35:55,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2018-12-09 14:35:55,478 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2018-12-09 14:35:55,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 14:35:55,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:35:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:35:55,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:35:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:35:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2018-12-09 14:35:55,704 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2018-12-09 14:35:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 14:35:55,704 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:35:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:35:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 14:35:55,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:35:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2018-12-09 14:35:55,967 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2018-12-09 14:35:55,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 14:35:55,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 14:35:55,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:35:56,089 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 14:35:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 14:35:56,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2018-12-09 14:35:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2018-12-09 14:35:56,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 14:35:56,378 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-12-09 14:35:56,383 INFO L779 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-12-09 14:35:56,413 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 14:35:56,415 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,419 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,419 INFO L583 CodeCheckObserver]: Invariant with dag size 31 [2018-12-09 14:35:56,420 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 14:35:56,420 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,420 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,421 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,421 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 14:35:56,421 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 14:35:56,421 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,422 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,422 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,422 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 14:35:56,422 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-09 14:35:56,422 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,423 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,423 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,423 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,423 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,423 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 02:35:56 ImpRootNode [2018-12-09 14:35:56,424 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 14:35:56,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 14:35:56,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 14:35:56,424 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 14:35:56,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:35:54" (3/4) ... [2018-12-09 14:35:56,427 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 14:35:56,432 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 14:35:56,432 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 14:35:56,432 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 14:35:56,448 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((unknown-#length-unknown[numbers] == 10 && \old(unknown-main_\old_#valid-unknown) == \valid[numbers := 0][numbers := \old(unknown-main_\old_#valid-unknown)[numbers]]) && \old(unknown-main_\old_#valid-unknown)[numbers] == \valid[numbers := 0][numbers]) && \valid[numbers] == 1) && 0 <= numbers) && i == 0) && numbers <= 0) && 0 == unknown-#memory_int-unknown[numbers][numbers + 4 * i] [2018-12-09 14:35:56,448 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid[numbers := 0][numbers := \old(unknown-main_\old_#valid-unknown)[numbers]] && \old(unknown-main_\old_#valid-unknown)[numbers] == \valid[numbers := 0][numbers] [2018-12-09 14:35:56,448 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-09 14:35:56,457 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c4b51d6b-dd7c-4c0b-b389-d9f6cdc11b34/bin-2019/ukojak/witness.graphml [2018-12-09 14:35:56,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 14:35:56,458 INFO L168 Benchmark]: Toolchain (without parser) took 2129.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 954.4 MB in the beginning and 945.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2018-12-09 14:35:56,458 INFO L168 Benchmark]: CDTParser took 0.10 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 14:35:56,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.36 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-09 14:35:56,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.83 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:35:56,459 INFO L168 Benchmark]: Boogie Preprocessor took 48.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-12-09 14:35:56,459 INFO L168 Benchmark]: RCFGBuilder took 148.59 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-12-09 14:35:56,459 INFO L168 Benchmark]: CodeCheck took 1728.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.4 MB in the end (delta: 127.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 11.5 GB. [2018-12-09 14:35:56,460 INFO L168 Benchmark]: Witness Printer took 33.20 ms. Allocated memory is still 1.1 GB. Free memory was 948.4 MB in the beginning and 945.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-09 14:35:56,461 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, 13 locations, 3 error locations. SAFE Result, 1.6s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 640 SDtfs, 1272 SDslu, 1024 SDs, 0 SdLazy, 4288 SolverSat, 1176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 435 GetRequests, 363 SyntacticMatches, 12 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1250 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 3067 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 12/15 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: 4]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 4]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant [2018-12-09 14:35:56,462 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,462 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 3]: Loop Invariant [2018-12-09 14:35:56,462 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 14:35:56,463 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,463 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,463 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,463 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 14:35:56,463 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 14:35:56,463 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,464 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,464 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,464 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((unknown-#length-unknown[numbers] == 10 && \old(unknown-main_\old_#valid-unknown) == \valid[numbers := 0][numbers := \old(unknown-main_\old_#valid-unknown)[numbers]]) && \old(unknown-main_\old_#valid-unknown)[numbers] == \valid[numbers := 0][numbers]) && \valid[numbers] == 1) && 0 <= numbers) && i == 0) && numbers <= 0) && 0 == unknown-#memory_int-unknown[numbers][numbers + 4 * i] - InvariantResult [Line: 1]: Loop Invariant [2018-12-09 14:35:56,464 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,464 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,464 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,465 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,465 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 14:35:56,465 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid[numbers := 0][numbers := \old(unknown-main_\old_#valid-unknown)[numbers]] && \old(unknown-main_\old_#valid-unknown)[numbers] == \valid[numbers := 0][numbers] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 144.36 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.83 ms. Allocated memory is still 1.0 GB. Free memory is still 943.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 148.59 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1728.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.4 MB in the end (delta: 127.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 11.5 GB. * Witness Printer took 33.20 ms. Allocated memory is still 1.1 GB. Free memory was 948.4 MB in the beginning and 945.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 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 #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 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 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 #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 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 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...