./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2c46755d0cb80f6b2e7b990e0a1bd9a49737b84 .......................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a2c46755d0cb80f6b2e7b990e0a1bd9a49737b84 ................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:16:14,554 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:16:14,555 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:16:14,560 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:16:14,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:16:14,561 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:16:14,562 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:16:14,563 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:16:14,563 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:16:14,564 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:16:14,564 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:16:14,564 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:16:14,565 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:16:14,565 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:16:14,566 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:16:14,566 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:16:14,566 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:16:14,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:16:14,568 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:16:14,569 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:16:14,569 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:16:14,570 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:16:14,571 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:16:14,571 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:16:14,571 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:16:14,571 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:16:14,572 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:16:14,572 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:16:14,573 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:16:14,573 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:16:14,573 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:16:14,574 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:16:14,574 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:16:14,574 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:16:14,574 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:16:14,574 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:16:14,575 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 13:16:14,582 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:16:14,582 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:16:14,582 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:16:14,582 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:16:14,583 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:16:14,583 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:16:14,583 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:16:14,583 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:16:14,583 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:16:14,583 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:16:14,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:16:14,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:16:14,584 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:16:14,584 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:16:14,584 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:16:14,584 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:16:14,584 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:16:14,584 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:16:14,584 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:16:14,584 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:16:14,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:16:14,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:16:14,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:16:14,585 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:16:14,585 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:16:14,585 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:16:14,585 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:16:14,585 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:16:14,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:16:14,585 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/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 ! call(__VERIFIER_error())) ) 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 -> a2c46755d0cb80f6b2e7b990e0a1bd9a49737b84 [2018-12-08 13:16:14,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:16:14,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:16:14,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:16:14,613 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:16:14,613 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:16:14,613 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-12-08 13:16:14,650 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/data/132f9a32a/4544f36af52540ecbe3f6f8864f2c772/FLAG2f810fb80 [2018-12-08 13:16:15,043 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:16:15,043 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-12-08 13:16:15,049 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/data/132f9a32a/4544f36af52540ecbe3f6f8864f2c772/FLAG2f810fb80 [2018-12-08 13:16:15,060 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/data/132f9a32a/4544f36af52540ecbe3f6f8864f2c772 [2018-12-08 13:16:15,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:16:15,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:16:15,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:16:15,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:16:15,067 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:16:15,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42aa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15, skipping insertion in model container [2018-12-08 13:16:15,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:16:15,086 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:16:15,186 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:16:15,188 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:16:15,207 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:16:15,216 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:16:15,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15 WrapperNode [2018-12-08 13:16:15,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:16:15,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:16:15,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:16:15,217 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:16:15,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:16:15,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:16:15,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:16:15,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:16:15,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:16:15,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:16:15,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:16:15,285 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:16:15,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/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 [2018-12-08 13:16:15,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:16:15,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:16:15,721 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:16:15,721 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 13:16:15,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:16:15 BoogieIcfgContainer [2018-12-08 13:16:15,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:16:15,722 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:16:15,722 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:16:15,729 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:16:15,729 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:16:15" (1/1) ... [2018-12-08 13:16:15,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:16:15,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:16:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-12-08 13:16:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-12-08 13:16:15,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:16:15,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:16:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:16:15,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:16:15,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:16:15,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-12-08 13:16:15,926 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-12-08 13:16:15,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:16:15,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:16:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:16:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:16:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:16:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2018-12-08 13:16:16,038 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2018-12-08 13:16:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 13:16:16,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:16:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:16:16,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:16:16,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:16:16,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2018-12-08 13:16:16,176 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2018-12-08 13:16:16,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 13:16:16,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:16:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:16:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:16:16,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:16:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-12-08 13:16:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-12-08 13:16:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 13:16:16,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:16:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:16:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:16:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:16:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-08 13:16:33,794 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: program execution has not yet been computed at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.getRcfgProgramExecution(TraceCheck.java:440) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.(TraceCheck.java:227) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:628) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:458) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-08 13:16:33,797 INFO L168 Benchmark]: Toolchain (without parser) took 18733.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 953.3 MB in the beginning and 853.2 MB in the end (delta: 100.1 MB). Peak memory consumption was 212.9 MB. Max. memory is 11.5 GB. [2018-12-08 13:16:33,798 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. [2018-12-08 13:16:33,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.64 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 939.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-08 13:16:33,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:16:33,799 INFO L168 Benchmark]: Boogie Preprocessor took 14.14 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. [2018-12-08 13:16:33,799 INFO L168 Benchmark]: RCFGBuilder took 437.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2018-12-08 13:16:33,800 INFO L168 Benchmark]: CodeCheck took 18073.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 853.2 MB in the end (delta: 188.5 MB). Peak memory consumption was 188.5 MB. Max. memory is 11.5 GB. [2018-12-08 13:16:33,801 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: program execution has not yet been computed de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: program execution has not yet been computed: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheck.getRcfgProgramExecution(TraceCheck.java:440) * 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 151.64 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 939.9 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.14 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. * RCFGBuilder took 437.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.5 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. * CodeCheck took 18073.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 853.2 MB in the end (delta: 188.5 MB). Peak memory consumption was 188.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:16:35,078 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:16:35,080 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:16:35,088 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:16:35,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:16:35,089 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:16:35,090 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:16:35,091 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:16:35,093 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:16:35,093 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:16:35,094 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:16:35,094 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:16:35,094 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:16:35,095 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:16:35,096 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:16:35,096 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:16:35,097 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:16:35,098 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:16:35,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:16:35,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:16:35,101 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:16:35,102 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:16:35,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:16:35,104 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:16:35,104 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:16:35,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:16:35,105 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:16:35,106 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:16:35,106 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:16:35,107 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:16:35,107 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:16:35,108 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:16:35,108 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:16:35,108 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:16:35,108 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:16:35,108 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:16:35,109 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-12-08 13:16:35,116 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:16:35,116 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:16:35,116 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:16:35,117 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:16:35,117 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:16:35,117 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:16:35,117 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:16:35,117 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:16:35,117 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:16:35,117 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:16:35,117 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:16:35,118 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:16:35,118 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:16:35,118 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 13:16:35,118 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 13:16:35,118 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:16:35,118 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:16:35,118 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:16:35,118 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:16:35,118 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:16:35,118 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:16:35,118 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:16:35,119 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:16:35,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:16:35,119 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:16:35,119 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:16:35,119 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:16:35,119 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-08 13:16:35,119 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 13:16:35,119 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:16:35,119 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 13:16:35,119 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 13:16:35,120 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/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 ! call(__VERIFIER_error())) ) 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 -> a2c46755d0cb80f6b2e7b990e0a1bd9a49737b84 [2018-12-08 13:16:35,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:16:35,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:16:35,149 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:16:35,150 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:16:35,151 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:16:35,151 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-12-08 13:16:35,195 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/data/d4146012e/6f5eb674bdbf43beb1ea312bc3d67d34/FLAG5e9c4132d [2018-12-08 13:16:35,610 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:16:35,610 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-12-08 13:16:35,614 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/data/d4146012e/6f5eb674bdbf43beb1ea312bc3d67d34/FLAG5e9c4132d [2018-12-08 13:16:35,623 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/data/d4146012e/6f5eb674bdbf43beb1ea312bc3d67d34 [2018-12-08 13:16:35,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:16:35,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:16:35,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:16:35,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:16:35,629 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:16:35,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:16:35" (1/1) ... [2018-12-08 13:16:35,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f4428e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35, skipping insertion in model container [2018-12-08 13:16:35,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:16:35" (1/1) ... [2018-12-08 13:16:35,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:16:35,655 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:16:35,768 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:16:35,771 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:16:35,792 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:16:35,801 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:16:35,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35 WrapperNode [2018-12-08 13:16:35,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:16:35,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:16:35,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:16:35,802 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:16:35,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35" (1/1) ... [2018-12-08 13:16:35,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35" (1/1) ... [2018-12-08 13:16:35,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:16:35,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:16:35,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:16:35,827 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:16:35,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35" (1/1) ... [2018-12-08 13:16:35,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35" (1/1) ... [2018-12-08 13:16:35,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35" (1/1) ... [2018-12-08 13:16:35,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35" (1/1) ... [2018-12-08 13:16:35,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35" (1/1) ... [2018-12-08 13:16:35,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35" (1/1) ... [2018-12-08 13:16:35,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35" (1/1) ... [2018-12-08 13:16:35,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:16:35,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:16:35,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:16:35,873 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:16:35,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:16:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/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 [2018-12-08 13:16:35,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:16:35,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:16:36,385 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:16:36,385 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-08 13:16:36,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:16:36 BoogieIcfgContainer [2018-12-08 13:16:36,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:16:36,386 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:16:36,386 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:16:36,392 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:16:36,392 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:16:36" (1/1) ... [2018-12-08 13:16:36,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:16:36,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:16:36,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-12-08 13:16:36,419 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-12-08 13:16:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:16:36,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:16:36,453 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:16:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:16:36,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:16:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:16:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:16:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-12-08 13:16:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-12-08 13:16:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-08 13:16:36,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:16:36,546 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:16:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:16:36,559 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:16:36,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:16:36,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:16:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2018-12-08 13:16:36,613 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2018-12-08 13:16:36,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-08 13:16:36,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:16:36,614 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:16:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:16:36,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:16:36,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:16:36,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:16:36,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2018-12-08 13:16:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2018-12-08 13:16:36,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-08 13:16:36,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:16:36,700 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:16:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:16:36,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 13:16:36,743 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:16:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:16:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-12-08 13:16:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-12-08 13:16:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 13:16:36,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:16:36,811 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 13:16:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:16:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 13:16:36,988 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2018-12-08 13:16:37,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:16:37 ImpRootNode [2018-12-08 13:16:37,008 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:16:37,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:16:37,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:16:37,008 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:16:37,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:16:36" (3/4) ... [2018-12-08 13:16:37,010 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 13:16:37,069 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d70ed917-3a97-4704-aa3a-b7fcb0f4d88d/bin-2019/ukojak/witness.graphml [2018-12-08 13:16:37,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:16:37,070 INFO L168 Benchmark]: Toolchain (without parser) took 1444.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 964.5 MB in the end (delta: -19.8 MB). Peak memory consumption was 121.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:16:37,071 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:16:37,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.94 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 13:16:37,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.75 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 13:16:37,071 INFO L168 Benchmark]: Boogie Preprocessor took 46.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -208.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-08 13:16:37,072 INFO L168 Benchmark]: RCFGBuilder took 512.12 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: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 11.5 GB. [2018-12-08 13:16:37,072 INFO L168 Benchmark]: CodeCheck took 622.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.1 MB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. [2018-12-08 13:16:37,072 INFO L168 Benchmark]: Witness Printer took 61.43 ms. Allocated memory is still 1.2 GB. Free memory was 971.1 MB in the beginning and 964.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-08 13:16:37,073 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, 41 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 24 SDtfs, 44 SDslu, 0 SDs, 0 SdLazy, 254 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 224 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 402 SizeOfPredicates, 4 NumberOfNonLiveVariables, 170 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/10 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 - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L105] unsigned int a, b, r; [L107] a = __VERIFIER_nondet_uint() [L108] b = __VERIFIER_nondet_uint() [L23] unsigned char a0, a1, a2, a3; [L24] unsigned char b0, b1, b2, b3; [L25] unsigned char r0, r1, r2, r3; [L26] unsigned short carry; [L27] unsigned short partial_sum; [L28] unsigned int r; [L29] unsigned char i; [L30] unsigned char na, nb; [L31] a0 = a [L32] a1 = a >> 8 [L33] a2 = a >> 16U [L34] a3 = a >> 24U [L35] b0 = b [L36] b1 = b >> 8U [L37] b2 = b >> 16U [L38] b3 = b >> 24U [L39] na = (unsigned char)4 [L40] COND TRUE a3 == (unsigned char)0 [L41] na = na - 1 [L42] COND TRUE a2 == (unsigned char)0 [L43] na = na - 1 [L44] COND FALSE !(a1 == (unsigned char)0) [L49] nb = (unsigned char)4 [L50] COND FALSE !(b3 == (unsigned char)0) [L59] carry = (unsigned short)0 [L60] i = (unsigned char)0 [L61] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L62] partial_sum = carry [L63] carry = (unsigned short)0 [L64] COND TRUE i < na [L65] COND TRUE i == (unsigned char)0 [L65] partial_sum = partial_sum + a0 [L66] COND FALSE !(i == (unsigned char)1) [L67] COND FALSE !(i == (unsigned char)2) [L68] COND FALSE !(i == (unsigned char)3) [L70] COND TRUE i < nb [L71] COND TRUE i == (unsigned char)0 [L71] partial_sum = partial_sum + b0 [L72] COND FALSE !(i == (unsigned char)1) [L73] COND FALSE !(i == (unsigned char)2) [L74] COND FALSE !(i == (unsigned char)3) [L76] COND TRUE partial_sum > ((unsigned char)254) [L77] partial_sum = partial_sum & ((unsigned char)255) [L78] carry = (unsigned short)1 [L80] COND TRUE i == (unsigned char)0 [L80] r0 = (unsigned char)partial_sum [L81] COND FALSE !(i == (unsigned char)1) [L82] COND FALSE !(i == (unsigned char)2) [L83] COND FALSE !(i == (unsigned char)3) [L85] i = i + (unsigned char)1 [L61] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L62] partial_sum = carry [L63] carry = (unsigned short)0 [L64] COND TRUE i < na [L65] COND FALSE !(i == (unsigned char)0) [L66] COND TRUE i == (unsigned char)1 [L66] partial_sum = partial_sum + a1 [L67] COND FALSE !(i == (unsigned char)2) [L68] COND FALSE !(i == (unsigned char)3) [L70] COND TRUE i < nb [L71] COND FALSE !(i == (unsigned char)0) [L72] COND TRUE i == (unsigned char)1 [L72] partial_sum = partial_sum + b1 [L73] COND FALSE !(i == (unsigned char)2) [L74] COND FALSE !(i == (unsigned char)3) [L76] COND TRUE partial_sum > ((unsigned char)254) [L77] partial_sum = partial_sum & ((unsigned char)255) [L78] carry = (unsigned short)1 [L80] COND FALSE !(i == (unsigned char)0) [L81] COND TRUE i == (unsigned char)1 [L81] r1 = (unsigned char)partial_sum [L82] COND FALSE !(i == (unsigned char)2) [L83] COND FALSE !(i == (unsigned char)3) [L85] i = i + (unsigned char)1 [L61] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L62] partial_sum = carry [L63] carry = (unsigned short)0 [L64] COND FALSE !(i < na) [L70] COND TRUE i < nb [L71] COND FALSE !(i == (unsigned char)0) [L72] COND FALSE !(i == (unsigned char)1) [L73] COND TRUE i == (unsigned char)2 [L73] partial_sum = partial_sum + b2 [L74] COND FALSE !(i == (unsigned char)3) [L76] COND FALSE !(partial_sum > ((unsigned char)254)) [L80] COND FALSE !(i == (unsigned char)0) [L81] COND FALSE !(i == (unsigned char)1) [L82] COND TRUE i == (unsigned char)2 [L82] r2 = (unsigned char)partial_sum [L83] COND FALSE !(i == (unsigned char)3) [L85] i = i + (unsigned char)1 [L61] COND TRUE (i < na) || (i < nb) || (carry != (unsigned short)0) [L62] partial_sum = carry [L63] carry = (unsigned short)0 [L64] COND FALSE !(i < na) [L70] COND TRUE i < nb [L71] COND FALSE !(i == (unsigned char)0) [L72] COND FALSE !(i == (unsigned char)1) [L73] COND FALSE !(i == (unsigned char)2) [L74] COND TRUE i == (unsigned char)3 [L74] partial_sum = partial_sum + b3 [L76] COND FALSE !(partial_sum > ((unsigned char)254)) [L80] COND FALSE !(i == (unsigned char)0) [L81] COND FALSE !(i == (unsigned char)1) [L82] COND FALSE !(i == (unsigned char)2) [L83] COND TRUE i == (unsigned char)3 [L83] r3 = (unsigned char)partial_sum [L85] i = i + (unsigned char)1 [L61] COND FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) [L88] COND FALSE !(i < (unsigned char)4) [L97] r = r0 | (r1 << 8U) | (r2 << 16U) | ((unsigned int)r3 << 24U) [L99] return r; [L110] r = mp_add(a, b) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.94 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.75 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -208.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 512.12 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: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 11.5 GB. * CodeCheck took 622.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 971.1 MB in the end (delta: 82.0 MB). Peak memory consumption was 82.0 MB. Max. memory is 11.5 GB. * Witness Printer took 61.43 ms. Allocated memory is still 1.2 GB. Free memory was 971.1 MB in the beginning and 964.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...