./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/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_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/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_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/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_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/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 0.1.23-1dbac8b [2018-10-26 20:33:27,495 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:33:27,496 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:33:27,506 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:33:27,506 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:33:27,507 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:33:27,508 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:33:27,509 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:33:27,511 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:33:27,512 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:33:27,513 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:33:27,513 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:33:27,514 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:33:27,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:33:27,516 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:33:27,516 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:33:27,517 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:33:27,519 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:33:27,521 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:33:27,523 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:33:27,524 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:33:27,525 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:33:27,527 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:33:27,527 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:33:27,528 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:33:27,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:33:27,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:33:27,531 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:33:27,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:33:27,532 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:33:27,533 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:33:27,533 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:33:27,533 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:33:27,534 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:33:27,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:33:27,536 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:33:27,536 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 20:33:27,556 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:33:27,556 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:33:27,557 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:33:27,557 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:33:27,558 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:33:27,558 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:33:27,558 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:33:27,558 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:33:27,558 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:33:27,558 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:33:27,559 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:33:27,559 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:33:27,559 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:33:27,559 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:33:27,559 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:33:27,559 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:33:27,560 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:33:27,560 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:33:27,560 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:33:27,560 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:33:27,560 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:33:27,560 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:33:27,561 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:33:27,561 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:33:27,561 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:33:27,561 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 20:33:27,561 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:33:27,561 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:33:27,563 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_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/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 [2018-10-26 20:33:27,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:33:27,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:33:27,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:33:27,614 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:33:27,615 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:33:27,616 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-10-26 20:33:27,665 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/data/33908f7f8/bb2419d33e384019ad36ad97a31013a1/FLAGe83f74a5d [2018-10-26 20:33:28,091 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:33:28,091 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-10-26 20:33:28,103 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/data/33908f7f8/bb2419d33e384019ad36ad97a31013a1/FLAGe83f74a5d [2018-10-26 20:33:28,115 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/data/33908f7f8/bb2419d33e384019ad36ad97a31013a1 [2018-10-26 20:33:28,119 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:33:28,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:33:28,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:33:28,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:33:28,124 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:33:28,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:33:28" (1/1) ... [2018-10-26 20:33:28,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235b504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28, skipping insertion in model container [2018-10-26 20:33:28,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:33:28" (1/1) ... [2018-10-26 20:33:28,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:33:28,163 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:33:28,368 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:33:28,371 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:33:28,405 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:33:28,417 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:33:28,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28 WrapperNode [2018-10-26 20:33:28,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:33:28,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:33:28,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:33:28,418 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:33:28,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28" (1/1) ... [2018-10-26 20:33:28,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28" (1/1) ... [2018-10-26 20:33:28,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:33:28,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:33:28,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:33:28,455 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:33:28,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28" (1/1) ... [2018-10-26 20:33:28,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28" (1/1) ... [2018-10-26 20:33:28,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28" (1/1) ... [2018-10-26 20:33:28,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28" (1/1) ... [2018-10-26 20:33:28,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28" (1/1) ... [2018-10-26 20:33:28,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28" (1/1) ... [2018-10-26 20:33:28,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28" (1/1) ... [2018-10-26 20:33:28,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:33:28,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:33:28,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:33:28,480 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:33:28,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/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 [2018-10-26 20:33:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:33:28,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:33:30,115 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:33:30,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:33:30 BoogieIcfgContainer [2018-10-26 20:33:30,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:33:30,117 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:33:30,117 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:33:30,128 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:33:30,128 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:33:30" (1/1) ... [2018-10-26 20:33:30,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:33:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:30,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-10-26 20:33:30,170 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-10-26 20:33:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 20:33:30,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:30,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:30,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-26 20:33:30,296 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-26 20:33:30,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 20:33:30,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:30,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:30,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-10-26 20:33:30,675 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-10-26 20:33:30,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 20:33:30,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-10-26 20:33:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-10-26 20:33:31,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 20:33:31,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:31,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2018-10-26 20:33:31,358 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2018-10-26 20:33:31,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:33:31,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:31,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:31,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-10-26 20:33:31,606 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-10-26 20:33:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:33:31,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-10-26 20:33:31,860 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-10-26 20:33:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 20:33:31,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:32,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:32,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2018-10-26 20:33:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2018-10-26 20:33:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 20:33:32,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:32,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:32,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2018-10-26 20:33:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2018-10-26 20:33:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:33:32,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 20:33:32,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:32,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2018-10-26 20:33:32,726 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2018-10-26 20:33:32,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:33:32,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:33:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:33:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:33:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:33:33,344 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 10 iterations. [2018-10-26 20:33:33,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:33:33 ImpRootNode [2018-10-26 20:33:33,372 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:33:33,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:33:33,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:33:33,373 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:33:33,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:33:30" (3/4) ... [2018-10-26 20:33:33,378 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:33:33,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:33:33,379 INFO L168 Benchmark]: Toolchain (without parser) took 5260.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 960.7 MB in the beginning and 919.6 MB in the end (delta: 41.2 MB). Peak memory consumption was 217.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:33:33,381 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:33:33,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.32 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 947.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:33:33,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.21 ms. Allocated memory is still 1.0 GB. Free memory is still 947.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:33:33,383 INFO L168 Benchmark]: Boogie Preprocessor took 24.74 ms. Allocated memory is still 1.0 GB. Free memory was 947.2 MB in the beginning and 944.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:33:33,383 INFO L168 Benchmark]: RCFGBuilder took 1636.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:33:33,384 INFO L168 Benchmark]: CodeCheck took 3255.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.6 MB in the end (delta: 185.0 MB). Peak memory consumption was 185.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:33:33,385 INFO L168 Benchmark]: Witness Printer took 5.73 ms. Allocated memory is still 1.2 GB. Free memory is still 919.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:33:33,400 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, 3.1s 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, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 771 GetRequests, 703 SyntacticMatches, 44 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 5919 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 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.32 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 947.2 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.21 ms. Allocated memory is still 1.0 GB. Free memory is still 947.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.74 ms. Allocated memory is still 1.0 GB. Free memory was 947.2 MB in the beginning and 944.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1636.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * CodeCheck took 3255.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 919.6 MB in the end (delta: 185.0 MB). Peak memory consumption was 185.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.73 ms. Allocated memory is still 1.2 GB. Free memory is still 919.6 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 0.1.23-1dbac8b [2018-10-26 20:33:35,463 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:33:35,470 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:33:35,486 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:33:35,486 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:33:35,487 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:33:35,488 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:33:35,489 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:33:35,491 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:33:35,492 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:33:35,493 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:33:35,493 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:33:35,494 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:33:35,495 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:33:35,496 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:33:35,497 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:33:35,497 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:33:35,500 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:33:35,502 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:33:35,504 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:33:35,505 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:33:35,506 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:33:35,508 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:33:35,508 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:33:35,509 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:33:35,510 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:33:35,511 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:33:35,512 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:33:35,513 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:33:35,514 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:33:35,514 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:33:35,515 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:33:35,515 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:33:35,516 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:33:35,516 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:33:35,517 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:33:35,517 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2018-10-26 20:33:35,532 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:33:35,532 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:33:35,533 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:33:35,533 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:33:35,533 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:33:35,534 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:33:35,534 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:33:35,535 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:33:35,535 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:33:35,535 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:33:35,535 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:33:35,535 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:33:35,536 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:33:35,536 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:33:35,536 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:33:35,536 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:33:35,536 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:33:35,536 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:33:35,537 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 20:33:35,537 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 20:33:35,537 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:33:35,537 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:33:35,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 20:33:35,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:33:35,540 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:33:35,540 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:33:35,540 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-10-26 20:33:35,541 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:33:35,541 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:33:35,541 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:33:35,541 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:33:35,541 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_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/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 [2018-10-26 20:33:35,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:33:35,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:33:35,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:33:35,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:33:35,599 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:33:35,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-10-26 20:33:35,651 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/data/88f37858b/a43d8dbe286d499ab71e5a262262209e/FLAGde0d5a076 [2018-10-26 20:33:36,044 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:33:36,044 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/sv-benchmarks/c/bitvector/byte_add_false-unreach-call_true-no-overflow_true-termination.i [2018-10-26 20:33:36,052 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/data/88f37858b/a43d8dbe286d499ab71e5a262262209e/FLAGde0d5a076 [2018-10-26 20:33:36,064 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/data/88f37858b/a43d8dbe286d499ab71e5a262262209e [2018-10-26 20:33:36,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:33:36,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:33:36,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:33:36,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:33:36,074 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:33:36,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:33:36" (1/1) ... [2018-10-26 20:33:36,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@398f262c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36, skipping insertion in model container [2018-10-26 20:33:36,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:33:36" (1/1) ... [2018-10-26 20:33:36,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:33:36,113 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:33:36,336 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:33:36,340 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:33:36,385 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:33:36,401 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:33:36,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36 WrapperNode [2018-10-26 20:33:36,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:33:36,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:33:36,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:33:36,402 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:33:36,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36" (1/1) ... [2018-10-26 20:33:36,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36" (1/1) ... [2018-10-26 20:33:36,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:33:36,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:33:36,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:33:36,444 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:33:36,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36" (1/1) ... [2018-10-26 20:33:36,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36" (1/1) ... [2018-10-26 20:33:36,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36" (1/1) ... [2018-10-26 20:33:36,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36" (1/1) ... [2018-10-26 20:33:36,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36" (1/1) ... [2018-10-26 20:33:36,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36" (1/1) ... [2018-10-26 20:33:36,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36" (1/1) ... [2018-10-26 20:33:36,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:33:36,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:33:36,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:33:36,480 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:33:36,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:33:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/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 [2018-10-26 20:33:36,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:33:36,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:33:38,445 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:33:38,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:33:38 BoogieIcfgContainer [2018-10-26 20:33:38,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:33:38,447 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 20:33:38,447 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 20:33:38,458 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 20:33:38,459 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:33:38" (1/1) ... [2018-10-26 20:33:38,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:33:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:38,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-10-26 20:33:38,505 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-10-26 20:33:38,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 20:33:38,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:38,558 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:33:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:38,600 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-10-26 20:33:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-10-26 20:33:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 20:33:38,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:38,617 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:33:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:38,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:38,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2018-10-26 20:33:38,916 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2018-10-26 20:33:38,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 20:33:38,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:38,918 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:33:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:38,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:38,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-10-26 20:33:39,042 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-10-26 20:33:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 20:33:39,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:39,046 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:33:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:39,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:39,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:39,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-10-26 20:33:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-10-26 20:33:39,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:33:39,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:39,158 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:33:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:39,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:39,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-10-26 20:33:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-10-26 20:33:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 20:33:39,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:39,647 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:33:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:39,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:39,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2018-10-26 20:33:39,727 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-10-26 20:33:39,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 20:33:39,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:39,729 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:33:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:39,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:39,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:39,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2018-10-26 20:33:39,922 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2018-10-26 20:33:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 20:33:39,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:39,924 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:33:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:39,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2018-10-26 20:33:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2018-10-26 20:33:40,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:33:40,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:40,033 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:33:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:40,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 20:33:40,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:40,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 29 states and 35 transitions. [2018-10-26 20:33:40,437 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2018-10-26 20:33:40,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:33:40,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:40,439 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:33:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:33:40,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:33:40,689 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-26 20:33:43,723 WARN L179 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 225 DAG size of output: 120 [2018-10-26 20:33:44,063 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2018-10-26 20:33:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:33:44,676 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2018-10-26 20:33:44,822 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-26 20:33:45,858 WARN L179 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-26 20:33:47,550 WARN L179 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 122 DAG size of output: 122 [2018-10-26 20:33:48,434 WARN L179 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-26 20:33:49,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 20:33:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2018-10-26 20:33:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2018-10-26 20:33:49,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:33:49,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 20:33:49,810 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-10-26 20:33:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:33:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:33:50,114 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2018-10-26 20:33:50,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 08:33:50 ImpRootNode [2018-10-26 20:33:50,169 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 20:33:50,169 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:33:50,169 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:33:50,170 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:33:50,170 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:33:38" (3/4) ... [2018-10-26 20:33:50,172 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 20:33:50,319 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cf10efc3-3768-4a7a-ae5f-fff16ed2af04/bin-2019/ukojak/witness.graphml [2018-10-26 20:33:50,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:33:50,320 INFO L168 Benchmark]: Toolchain (without parser) took 14251.61 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 335.0 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -79.6 MB). Peak memory consumption was 255.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:33:50,320 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-10-26 20:33:50,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.54 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 934.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:33:50,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.12 ms. Allocated memory is still 1.0 GB. Free memory was 934.5 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:33:50,321 INFO L168 Benchmark]: Boogie Preprocessor took 35.15 ms. Allocated memory is still 1.0 GB. Free memory is still 929.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:33:50,321 INFO L168 Benchmark]: RCFGBuilder took 1966.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 929.1 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-10-26 20:33:50,322 INFO L168 Benchmark]: CodeCheck took 11722.19 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.1 MB). Peak memory consumption was 210.7 MB. Max. memory is 11.5 GB. [2018-10-26 20:33:50,322 INFO L168 Benchmark]: Witness Printer took 149.83 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-10-26 20:33:50,324 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, 11.6s 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, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 916 GetRequests, 869 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s 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 0.19 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 331.54 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 934.5 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 42.12 ms. Allocated memory is still 1.0 GB. Free memory was 934.5 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.15 ms. Allocated memory is still 1.0 GB. Free memory is still 929.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1966.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 929.1 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * CodeCheck took 11722.19 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 174.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.1 MB). Peak memory consumption was 210.7 MB. Max. memory is 11.5 GB. * Witness Printer took 149.83 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...