./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/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_d44572bf-52c4-46f1-9346-d560c4818023/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/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-aa41828 [2018-11-23 12:05:49,357 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:05:49,358 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:05:49,365 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:05:49,366 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:05:49,366 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:05:49,367 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:05:49,368 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:05:49,369 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:05:49,370 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:05:49,370 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:05:49,371 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:05:49,371 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:05:49,372 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:05:49,373 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:05:49,374 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:05:49,374 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:05:49,376 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:05:49,377 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:05:49,378 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:05:49,379 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:05:49,380 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:05:49,382 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:05:49,382 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:05:49,382 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:05:49,383 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:05:49,383 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:05:49,384 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:05:49,384 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:05:49,386 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:05:49,386 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:05:49,386 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:05:49,387 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:05:49,387 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:05:49,387 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:05:49,388 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:05:49,388 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-23 12:05:49,398 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:05:49,398 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:05:49,399 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:05:49,399 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:05:49,400 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:05:49,400 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:05:49,400 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 12:05:49,400 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:05:49,400 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:05:49,400 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:05:49,400 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-23 12:05:49,400 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-23 12:05:49,400 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-23 12:05:49,400 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:05:49,401 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:05:49,401 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:05:49,401 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:05:49,401 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:05:49,402 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:05:49,402 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:05:49,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:05:49,403 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:05:49,403 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:05:49,403 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:05:49,403 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:05:49,403 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_d44572bf-52c4-46f1-9346-d560c4818023/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 [2018-11-23 12:05:49,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:05:49,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:05:49,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:05:49,435 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:05:49,436 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:05:49,436 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/bin-2019/ukojak/../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1_false-valid-deref.c [2018-11-23 12:05:49,470 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/bin-2019/ukojak/data/8c36b826f/257af59010974543922492ec62bbeb1b/FLAGfa0e993ff [2018-11-23 12:05:49,872 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:05:49,872 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/sv-benchmarks/c/memsafety-ext3/naturalNumbers1_false-valid-deref.c [2018-11-23 12:05:49,877 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/bin-2019/ukojak/data/8c36b826f/257af59010974543922492ec62bbeb1b/FLAGfa0e993ff [2018-11-23 12:05:49,887 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/bin-2019/ukojak/data/8c36b826f/257af59010974543922492ec62bbeb1b [2018-11-23 12:05:49,889 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:05:49,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:05:49,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:05:49,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:05:49,893 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:05:49,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:05:49" (1/1) ... [2018-11-23 12:05:49,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651809fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:49, skipping insertion in model container [2018-11-23 12:05:49,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:05:49" (1/1) ... [2018-11-23 12:05:49,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:05:49,917 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:05:50,021 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:05:50,027 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:05:50,038 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:05:50,047 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:05:50,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:50 WrapperNode [2018-11-23 12:05:50,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:05:50,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:05:50,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:05:50,048 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:05:50,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:50" (1/1) ... [2018-11-23 12:05:50,058 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:50" (1/1) ... [2018-11-23 12:05:50,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:05:50,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:05:50,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:05:50,105 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:05:50,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:50" (1/1) ... [2018-11-23 12:05:50,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:50" (1/1) ... [2018-11-23 12:05:50,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:50" (1/1) ... [2018-11-23 12:05:50,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:50" (1/1) ... [2018-11-23 12:05:50,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:50" (1/1) ... [2018-11-23 12:05:50,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:50" (1/1) ... [2018-11-23 12:05:50,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:50" (1/1) ... [2018-11-23 12:05:50,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:05:50,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:05:50,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:05:50,119 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:05:50,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:05:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/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 [2018-11-23 12:05:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:05:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:05:50,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:05:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:05:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:05:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:05:50,287 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:05:50,287 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 12:05:50,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:05:50 BoogieIcfgContainer [2018-11-23 12:05:50,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:05:50,288 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:05:50,288 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:05:50,294 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:05:50,295 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:05:50" (1/1) ... [2018-11-23 12:05:50,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:05:50,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:05:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-11-23 12:05:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-11-23 12:05:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 12:05:50,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:05:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:05:50,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:05:50,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:05:50,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 12:05:50,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 12:05:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-23 12:05:50,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:05:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:05:50,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:05:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:05:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-11-23 12:05:50,636 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-11-23 12:05:50,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 12:05:50,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:05:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:05:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:05:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:05:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-11-23 12:05:50,897 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-11-23 12:05:50,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 12:05:50,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:05:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:05:50,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:05:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:05:50,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-11-23 12:05:50,980 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-11-23 12:05:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-23 12:05:50,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:05:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:05:51,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:05:51,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:05:51,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 22 states and 36 transitions. [2018-11-23 12:05:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 36 transitions. [2018-11-23 12:05:51,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 12:05:51,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:05:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:05:51,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:05:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:05:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2018-11-23 12:05:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2018-11-23 12:05:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 12:05:51,544 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:05:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:05:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:05:51,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:05:51,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2018-11-23 12:05:51,792 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2018-11-23 12:05:51,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 12:05:51,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:05:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:05:51,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-23 12:05:52,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:05:52,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2018-11-23 12:05:52,256 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2018-11-23 12:05:52,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:05:52,257 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-23 12:05:52,265 INFO L775 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-11-23 12:05:52,299 INFO L579 CodeCheckObserver]: Invariant with dag size 3 [2018-11-23 12:05:52,302 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,305 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,305 INFO L579 CodeCheckObserver]: Invariant with dag size 31 [2018-11-23 12:05:52,307 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 12:05:52,307 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,307 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,308 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,308 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:05:52,309 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 12:05:52,309 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,309 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,310 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,314 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:05:52,314 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-23 12:05:52,315 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,315 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,315 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,316 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,316 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,316 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:05:52 ImpRootNode [2018-11-23 12:05:52,317 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:05:52,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:05:52,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:05:52,317 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:05:52,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:05:50" (3/4) ... [2018-11-23 12:05:52,321 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:05:52,328 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:05:52,329 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 12:05:52,329 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:05:52,347 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] [2018-11-23 12:05:52,347 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] [2018-11-23 12:05:52,347 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-11-23 12:05:52,357 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d44572bf-52c4-46f1-9346-d560c4818023/bin-2019/ukojak/witness.graphml [2018-11-23 12:05:52,357 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:05:52,357 INFO L168 Benchmark]: Toolchain (without parser) took 2468.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:05:52,358 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:05:52,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.95 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:05:52,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:05:52,359 INFO L168 Benchmark]: Boogie Preprocessor took 14.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:05:52,359 INFO L168 Benchmark]: RCFGBuilder took 168.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:05:52,360 INFO L168 Benchmark]: CodeCheck took 2028.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.6 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2018-11-23 12:05:52,360 INFO L168 Benchmark]: Witness Printer took 39.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:05:52,362 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, 1.9s 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, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 435 GetRequests, 363 SyntacticMatches, 12 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1250 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s 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: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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: 4]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant [2018-11-23 12:05:52,363 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,364 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 3]: Loop Invariant [2018-11-23 12:05:52,364 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 12:05:52,364 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,365 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,365 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,365 WARN L1272 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-23 12:05:52,366 WARN L1272 BoogieBacktranslator]: unknown boogie variable #length [2018-11-23 12:05:52,366 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,366 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,366 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,366 WARN L1272 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 [2018-11-23 12:05:52,367 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,367 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,367 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,368 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,368 WARN L1272 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-23 12:05:52,368 WARN L1272 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 156.95 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 168.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * CodeCheck took 2028.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -7.6 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. * Witness Printer took 39.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. 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...