./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/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_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/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_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/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_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/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 0.1.23-5842f4b [2018-11-18 18:59:03,706 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:59:03,708 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:59:03,715 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:59:03,716 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:59:03,716 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:59:03,717 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:59:03,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:59:03,719 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:59:03,720 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:59:03,721 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:59:03,721 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:59:03,722 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:59:03,722 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:59:03,724 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:59:03,724 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:59:03,725 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:59:03,726 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:59:03,728 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:59:03,729 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:59:03,730 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:59:03,730 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:59:03,733 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:59:03,733 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:59:03,733 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:59:03,734 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:59:03,734 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:59:03,735 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:59:03,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:59:03,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:59:03,737 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:59:03,738 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:59:03,738 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:59:03,738 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:59:03,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:59:03,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:59:03,739 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 18:59:03,749 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:59:03,749 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:59:03,749 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:59:03,750 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:59:03,750 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:59:03,750 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:59:03,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:59:03,751 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:59:03,751 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 18:59:03,751 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:59:03,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:59:03,752 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:59:03,752 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:59:03,752 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:59:03,753 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:59:03,753 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:59:03,753 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:59:03,753 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:59:03,753 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:59:03,753 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:59:03,754 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:59:03,754 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:59:03,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:59:03,754 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:59:03,754 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:59:03,754 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:59:03,754 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 18:59:03,755 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:59:03,755 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 18:59:03,755 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_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/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 [2018-11-18 18:59:03,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:59:03,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:59:03,794 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:59:03,796 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:59:03,796 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:59:03,797 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-11-18 18:59:03,847 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/data/8f8bb1768/fde74af058fb4ed194452a6365c26c97/FLAG7f4af3a92 [2018-11-18 18:59:04,209 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:59:04,209 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-11-18 18:59:04,221 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/data/8f8bb1768/fde74af058fb4ed194452a6365c26c97/FLAG7f4af3a92 [2018-11-18 18:59:04,622 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/data/8f8bb1768/fde74af058fb4ed194452a6365c26c97 [2018-11-18 18:59:04,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:59:04,626 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:59:04,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:59:04,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:59:04,630 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:59:04,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:59:04" (1/1) ... [2018-11-18 18:59:04,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f2e7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04, skipping insertion in model container [2018-11-18 18:59:04,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:59:04" (1/1) ... [2018-11-18 18:59:04,641 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:59:04,661 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:59:04,810 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:59:04,813 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:59:04,838 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:59:04,851 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:59:04,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04 WrapperNode [2018-11-18 18:59:04,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:59:04,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:59:04,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:59:04,852 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:59:04,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04" (1/1) ... [2018-11-18 18:59:04,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04" (1/1) ... [2018-11-18 18:59:04,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:59:04,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:59:04,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:59:04,883 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:59:04,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04" (1/1) ... [2018-11-18 18:59:04,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04" (1/1) ... [2018-11-18 18:59:04,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04" (1/1) ... [2018-11-18 18:59:04,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04" (1/1) ... [2018-11-18 18:59:04,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04" (1/1) ... [2018-11-18 18:59:04,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04" (1/1) ... [2018-11-18 18:59:04,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04" (1/1) ... [2018-11-18 18:59:04,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:59:04,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:59:04,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:59:04,948 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:59:04,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/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 [2018-11-18 18:59:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:59:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:59:05,641 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:59:05,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:59:05 BoogieIcfgContainer [2018-11-18 18:59:05,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:59:05,642 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:59:05,643 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:59:05,651 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:59:05,651 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:59:05" (1/1) ... [2018-11-18 18:59:05,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:59:05,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:05,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-11-18 18:59:05,693 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-11-18 18:59:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 18:59:05,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:05,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:05,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:05,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-18 18:59:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-18 18:59:05,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 18:59:05,812 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:05,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:05,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:05,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-11-18 18:59:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-11-18 18:59:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:59:05,994 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:06,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:06,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:06,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-11-18 18:59:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-11-18 18:59:06,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:59:06,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:06,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:06,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2018-11-18 18:59:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2018-11-18 18:59:06,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:59:06,312 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:06,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:06,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-11-18 18:59:06,441 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-11-18 18:59:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:59:06,445 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:06,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:06,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-11-18 18:59:06,591 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-11-18 18:59:06,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 18:59:06,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:06,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2018-11-18 18:59:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2018-11-18 18:59:06,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 18:59:06,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:06,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:06,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2018-11-18 18:59:06,879 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2018-11-18 18:59:06,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:59:06,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:59:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:07,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2018-11-18 18:59:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2018-11-18 18:59:07,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:59:07,147 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:59:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:59:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:59:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:59:08,693 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2018-11-18 18:59:08,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:59:08 ImpRootNode [2018-11-18 18:59:08,725 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:59:08,725 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:59:08,725 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:59:08,725 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:59:08,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:59:05" (3/4) ... [2018-11-18 18:59:08,730 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 18:59:08,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:59:08,731 INFO L168 Benchmark]: Toolchain (without parser) took 4106.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 959.2 MB in the beginning and 883.7 MB in the end (delta: 75.6 MB). Peak memory consumption was 213.0 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:08,733 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:59:08,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.50 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:08,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:08,735 INFO L168 Benchmark]: Boogie Preprocessor took 64.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:08,735 INFO L168 Benchmark]: RCFGBuilder took 694.22 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: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:08,736 INFO L168 Benchmark]: CodeCheck took 3082.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.7 MB in the end (delta: 181.9 MB). Peak memory consumption was 181.9 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:08,737 INFO L168 Benchmark]: Witness Printer took 5.32 ms. Allocated memory is still 1.2 GB. Free memory is still 883.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:59:08,740 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, 44 locations, 1 error locations. UNSAFE Result, 3.0s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3840 SDtfs, 2212 SDslu, 2040 SDs, 0 SdLazy, 5336 SolverSat, 1772 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 763 GetRequests, 699 SyntacticMatches, 44 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 7841 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 20/60 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 - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 97, overapproximation of bitwiseAnd at line 77. Possible FailurePath: [L105] unsigned int a, b, r; [L107] a = __VERIFIER_nondet_uint() [L108] b = __VERIFIER_nondet_uint() [L110] CALL, EXPR mp_add(a, b) [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 TRUE a1 == (unsigned char)0 [L45] na = na - 1 [L49] nb = (unsigned char)4 [L50] COND TRUE b3 == (unsigned char)0 [L51] nb = nb - 1 [L52] COND TRUE b2 == (unsigned char)0 [L53] nb = nb - 1 [L54] COND TRUE b1 == (unsigned char)0 [L55] nb = nb - 1 [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 FALSE !(partial_sum > ((unsigned char)254)) [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 FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) [L88] COND TRUE i < (unsigned char)4 [L89] COND FALSE !(i == (unsigned char)0) [L90] COND TRUE i == (unsigned char)1 [L90] r1 = (unsigned char)0 [L91] COND FALSE !(i == (unsigned char)2) [L92] COND FALSE !(i == (unsigned char)3) [L94] i = i + (unsigned char)1 [L88] COND TRUE i < (unsigned char)4 [L89] COND FALSE !(i == (unsigned char)0) [L90] COND FALSE !(i == (unsigned char)1) [L91] COND TRUE i == (unsigned char)2 [L91] r2 = (unsigned char)0 [L92] COND FALSE !(i == (unsigned char)3) [L94] i = i + (unsigned char)1 [L88] COND TRUE i < (unsigned char)4 [L89] COND FALSE !(i == (unsigned char)0) [L90] COND FALSE !(i == (unsigned char)1) [L91] COND FALSE !(i == (unsigned char)2) [L92] COND TRUE i == (unsigned char)3 [L92] r3 = (unsigned char)0 [L94] i = i + (unsigned char)1 [L88] COND FALSE !(i < (unsigned char)4) [L97] r = r0 | (r1 << 8U) | (r2 << 16U) | ((unsigned int)r3 << 24U) [L99] RET return r; [L110] EXPR mp_add(a, b) [L110] r = mp_add(a, b) [L112] CALL __VERIFIER_assert(r == 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 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 225.50 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -191.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 694.22 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: 69.2 MB). Peak memory consumption was 69.2 MB. Max. memory is 11.5 GB. * CodeCheck took 3082.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 883.7 MB in the end (delta: 181.9 MB). Peak memory consumption was 181.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.32 ms. Allocated memory is still 1.2 GB. Free memory is still 883.7 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 18:59:10,463 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 18:59:10,465 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 18:59:10,475 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 18:59:10,475 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 18:59:10,476 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 18:59:10,477 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 18:59:10,478 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 18:59:10,480 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 18:59:10,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 18:59:10,481 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 18:59:10,482 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 18:59:10,482 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 18:59:10,483 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 18:59:10,484 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 18:59:10,485 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 18:59:10,486 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 18:59:10,487 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 18:59:10,489 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 18:59:10,490 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 18:59:10,491 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 18:59:10,492 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 18:59:10,494 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 18:59:10,494 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 18:59:10,494 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 18:59:10,495 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 18:59:10,496 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 18:59:10,497 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 18:59:10,498 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 18:59:10,499 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 18:59:10,499 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 18:59:10,499 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 18:59:10,500 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 18:59:10,500 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 18:59:10,501 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 18:59:10,501 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 18:59:10,501 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-11-18 18:59:10,514 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 18:59:10,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 18:59:10,515 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 18:59:10,515 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 18:59:10,515 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 18:59:10,516 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 18:59:10,516 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 18:59:10,516 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 18:59:10,516 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 18:59:10,516 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 18:59:10,516 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 18:59:10,516 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 18:59:10,517 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 18:59:10,517 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 18:59:10,517 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 18:59:10,517 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 18:59:10,517 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 18:59:10,517 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 18:59:10,517 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 18:59:10,518 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 18:59:10,518 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 18:59:10,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 18:59:10,518 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 18:59:10,518 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 18:59:10,518 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 18:59:10,518 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 18:59:10,518 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 18:59:10,519 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 18:59:10,519 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 18:59:10,519 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 18:59:10,519 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 18:59:10,519 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 18:59:10,519 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_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/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 [2018-11-18 18:59:10,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 18:59:10,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 18:59:10,563 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 18:59:10,564 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 18:59:10,564 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 18:59:10,565 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-11-18 18:59:10,609 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/data/9a19b7d33/d6f1bba18fa4422cb1c4dd47df96b99b/FLAG7971c5dbf [2018-11-18 18:59:10,966 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 18:59:10,966 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-11-18 18:59:10,972 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/data/9a19b7d33/d6f1bba18fa4422cb1c4dd47df96b99b/FLAG7971c5dbf [2018-11-18 18:59:10,986 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/data/9a19b7d33/d6f1bba18fa4422cb1c4dd47df96b99b [2018-11-18 18:59:10,989 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 18:59:10,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 18:59:10,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 18:59:10,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 18:59:10,995 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 18:59:10,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:59:10" (1/1) ... [2018-11-18 18:59:10,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df5c0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:10, skipping insertion in model container [2018-11-18 18:59:10,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:59:10" (1/1) ... [2018-11-18 18:59:11,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 18:59:11,033 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 18:59:11,224 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:59:11,228 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 18:59:11,265 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 18:59:11,280 INFO L195 MainTranslator]: Completed translation [2018-11-18 18:59:11,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:11 WrapperNode [2018-11-18 18:59:11,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 18:59:11,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 18:59:11,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 18:59:11,281 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 18:59:11,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:11" (1/1) ... [2018-11-18 18:59:11,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:11" (1/1) ... [2018-11-18 18:59:11,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 18:59:11,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 18:59:11,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 18:59:11,322 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 18:59:11,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:11" (1/1) ... [2018-11-18 18:59:11,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:11" (1/1) ... [2018-11-18 18:59:11,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:11" (1/1) ... [2018-11-18 18:59:11,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:11" (1/1) ... [2018-11-18 18:59:11,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:11" (1/1) ... [2018-11-18 18:59:11,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:11" (1/1) ... [2018-11-18 18:59:11,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:11" (1/1) ... [2018-11-18 18:59:11,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 18:59:11,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 18:59:11,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 18:59:11,351 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 18:59:11,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:59:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/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 [2018-11-18 18:59:11,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 18:59:11,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 18:59:12,194 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 18:59:12,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:59:12 BoogieIcfgContainer [2018-11-18 18:59:12,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 18:59:12,195 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 18:59:12,195 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 18:59:12,204 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 18:59:12,205 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:59:12" (1/1) ... [2018-11-18 18:59:12,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 18:59:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-11-18 18:59:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-11-18 18:59:12,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 18:59:12,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:12,292 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:59:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:12,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:59:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-11-18 18:59:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-11-18 18:59:12,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 18:59:12,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:12,332 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:59:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:12,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:59:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:12,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-11-18 18:59:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-11-18 18:59:12,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:59:12,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:12,431 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:59:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:12,445 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:59:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:12,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:12,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-11-18 18:59:12,514 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-11-18 18:59:12,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 18:59:12,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:12,517 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:59:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:12,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:59:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:12,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:12,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-11-18 18:59:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-11-18 18:59:12,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:59:12,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:12,569 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:59:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:12,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:59:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:12,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:12,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-11-18 18:59:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-11-18 18:59:12,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 18:59:12,649 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:12,650 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:59:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:12,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:59:12,674 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:12,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2018-11-18 18:59:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-11-18 18:59:12,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 18:59:12,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:12,712 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:59:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:12,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:59:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:12,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:12,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2018-11-18 18:59:12,807 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2018-11-18 18:59:12,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 18:59:12,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:12,809 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:59:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:12,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:59:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2018-11-18 18:59:12,889 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2018-11-18 18:59:12,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:59:12,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:12,891 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:59:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:12,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:59:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 18:59:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:13,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2018-11-18 18:59:13,113 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2018-11-18 18:59:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:59:13,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:13,116 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:59:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 18:59:13,199 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 18:59:13,383 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-11-18 18:59:15,967 WARN L180 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 225 DAG size of output: 120 [2018-11-18 18:59:16,136 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2018-11-18 18:59:16,355 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 18:59:16,684 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2018-11-18 18:59:17,668 WARN L180 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-11-18 18:59:19,076 WARN L180 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2018-11-18 18:59:19,874 WARN L180 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-11-18 18:59:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 18:59:21,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2018-11-18 18:59:21,181 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2018-11-18 18:59:21,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 18:59:21,181 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 18:59:21,182 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 18:59:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:59:21,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 18:59:21,524 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2018-11-18 18:59:21,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 06:59:21 ImpRootNode [2018-11-18 18:59:21,556 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 18:59:21,556 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 18:59:21,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 18:59:21,556 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 18:59:21,557 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:59:12" (3/4) ... [2018-11-18 18:59:21,560 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 18:59:21,652 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9a4681bc-5557-4aec-89bd-ceb7b2c98a7e/bin-2019/ukojak/witness.graphml [2018-11-18 18:59:21,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 18:59:21,653 INFO L168 Benchmark]: Toolchain (without parser) took 10663.55 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 337.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -128.5 MB). Peak memory consumption was 209.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:21,653 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:59:21,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:21,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.51 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 18:59:21,654 INFO L168 Benchmark]: Boogie Preprocessor took 28.72 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:21,655 INFO L168 Benchmark]: RCFGBuilder took 843.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 929.3 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:21,656 INFO L168 Benchmark]: CodeCheck took 9360.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.7 MB). Peak memory consumption was 167.7 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:21,656 INFO L168 Benchmark]: Witness Printer took 95.98 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-18 18:59:21,659 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, 44 locations, 1 error locations. UNSAFE Result, 9.3s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7680 SDtfs, 4452 SDslu, 4128 SDs, 0 SdLazy, 10800 SolverSat, 3608 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 916 GetRequests, 869 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 96432 SizeOfPredicates, 38 NumberOfNonLiveVariables, 467 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 20/74 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() [L110] CALL, EXPR mp_add(a, b) [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 TRUE a1 == (unsigned char)0 [L45] na = na - 1 [L49] nb = (unsigned char)4 [L50] COND TRUE b3 == (unsigned char)0 [L51] nb = nb - 1 [L52] COND TRUE b2 == (unsigned char)0 [L53] nb = nb - 1 [L54] COND TRUE b1 == (unsigned char)0 [L55] nb = nb - 1 [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 FALSE !(i < na) [L70] COND FALSE !(i < nb) [L76] COND FALSE !(partial_sum > ((unsigned char)254)) [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 FALSE !((i < na) || (i < nb) || (carry != (unsigned short)0)) [L88] COND TRUE i < (unsigned char)4 [L89] COND FALSE !(i == (unsigned char)0) [L90] COND FALSE !(i == (unsigned char)1) [L91] COND TRUE i == (unsigned char)2 [L91] r2 = (unsigned char)0 [L92] COND FALSE !(i == (unsigned char)3) [L94] i = i + (unsigned char)1 [L88] COND TRUE i < (unsigned char)4 [L89] COND FALSE !(i == (unsigned char)0) [L90] COND FALSE !(i == (unsigned char)1) [L91] COND FALSE !(i == (unsigned char)2) [L92] COND TRUE i == (unsigned char)3 [L92] r3 = (unsigned char)0 [L94] i = i + (unsigned char)1 [L88] COND FALSE !(i < (unsigned char)4) [L97] r = r0 | (r1 << 8U) | (r2 << 16U) | ((unsigned int)r3 << 24U) [L99] RET return r; [L110] EXPR mp_add(a, b) [L110] r = mp_add(a, b) [L112] CALL __VERIFIER_assert(r == 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.73 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 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 40.51 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.72 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 843.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 929.3 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * CodeCheck took 9360.45 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -14.7 MB). Peak memory consumption was 167.7 MB. Max. memory is 11.5 GB. * Witness Printer took 95.98 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...