./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/nec11_false-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/nec11_false-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/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 377e57d4a3daf9b967866e1410a183dc7f79915c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-aa41828 [2018-11-23 03:05:27,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:05:27,686 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:05:27,692 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:05:27,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:05:27,693 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:05:27,694 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:05:27,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:05:27,697 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:05:27,697 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:05:27,698 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:05:27,698 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:05:27,699 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:05:27,700 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:05:27,700 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:05:27,701 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:05:27,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:05:27,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:05:27,704 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:05:27,705 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:05:27,706 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:05:27,707 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:05:27,709 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:05:27,709 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:05:27,709 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:05:27,710 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:05:27,711 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:05:27,711 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:05:27,712 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:05:27,713 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:05:27,713 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:05:27,713 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:05:27,714 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:05:27,714 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:05:27,714 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:05:27,715 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:05:27,715 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 03:05:27,725 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:05:27,726 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:05:27,726 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:05:27,726 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 03:05:27,727 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:05:27,727 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:05:27,727 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:05:27,728 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:05:27,728 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:05:27,728 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:05:27,728 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:05:27,728 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:05:27,728 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:05:27,728 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:05:27,728 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:05:27,729 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:05:27,729 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:05:27,729 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:05:27,729 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 03:05:27,729 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 03:05:27,729 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:05:27,730 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:05:27,730 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:05:27,730 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:05:27,730 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:05:27,730 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:05:27,730 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 03:05:27,730 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:05:27,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:05:27,731 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_64357be6-1a2d-4883-8eac-5a75cff8c38b/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 -> 377e57d4a3daf9b967866e1410a183dc7f79915c [2018-11-23 03:05:27,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:05:27,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:05:27,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:05:27,768 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:05:27,768 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:05:27,769 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/../../sv-benchmarks/c/loops/nec11_false-unreach-call_false-termination.i [2018-11-23 03:05:27,806 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/data/ae735641a/cbcd4a854be3472e9296f5bc556daf0d/FLAG8af9777df [2018-11-23 03:05:28,189 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:05:28,190 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/sv-benchmarks/c/loops/nec11_false-unreach-call_false-termination.i [2018-11-23 03:05:28,194 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/data/ae735641a/cbcd4a854be3472e9296f5bc556daf0d/FLAG8af9777df [2018-11-23 03:05:28,204 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/data/ae735641a/cbcd4a854be3472e9296f5bc556daf0d [2018-11-23 03:05:28,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:05:28,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:05:28,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:05:28,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:05:28,210 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:05:28,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28, skipping insertion in model container [2018-11-23 03:05:28,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:05:28,231 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:05:28,351 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:05:28,353 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:05:28,362 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:05:28,370 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:05:28,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28 WrapperNode [2018-11-23 03:05:28,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:05:28,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:05:28,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:05:28,372 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:05:28,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:05:28,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:05:28,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:05:28,399 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:05:28,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:05:28,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:05:28,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:05:28,449 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:05:28,450 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 03:05:28,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:05:28,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:05:28,646 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:05:28,647 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 03:05:28,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:28 BoogieIcfgContainer [2018-11-23 03:05:28,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:05:28,647 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 03:05:28,647 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 03:05:28,657 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 03:05:28,657 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:28" (1/1) ... [2018-11-23 03:05:28,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:05:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 03:05:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-11-23 03:05:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-11-23 03:05:28,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 03:05:28,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 03:05:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:05:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:05:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:05:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 03:05:28,816 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~a~0, main_~len~0, main_~c~0, main_~i~0;havoc main_~a~0;main_~len~0 := 0;main_~c~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0; VAL [ULTIMATE.start_main_~len~0=0] [?] BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume !(0 != main_~c~0 % 256);}EndParallelComposition__VERIFIER_assert_#in~cond := (if 5 == main_~len~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~len~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume 0 == __VERIFIER_assert_~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~len~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~len~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_~a~0, main_~len~0, main_~c~0, main_~i~0; [L13] havoc main_~a~0; [L14] main_~len~0 := 0; [L15] main_~c~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] havoc main_~i~0; VAL [main_~len~0=0] [L19-L27] assume !(0 != main_~c~0 % 256); [L28] __VERIFIER_assert_#in~cond := (if 5 == main_~len~0 then 1 else 0); [L28] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L4-L6] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_~a~0, main_~len~0, main_~c~0, main_~i~0; [L13] havoc main_~a~0; [L14] main_~len~0 := 0; [L15] main_~c~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] havoc main_~i~0; VAL [main_~len~0=0] [L19-L27] assume !(0 != main_~c~0 % 256); [L28] __VERIFIER_assert_#in~cond := (if 5 == main_~len~0 then 1 else 0); [L28] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L4-L6] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_~a~0, main_~len~0, main_~c~0, main_~i~0; [L13] havoc main_~a~0; [L14] main_~len~0 := 0; [L15] main_~c~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] havoc main_~i~0; VAL [main_~len~0=0] [L19-L27] COND TRUE !(0 != main_~c~0 % 256) [L28] __VERIFIER_assert_#in~cond := (if 5 == main_~len~0 then 1 else 0); [L28] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_~a~0, main_~len~0, main_~c~0, main_~i~0; [L13] havoc main_~a~0; [L14] main_~len~0 := 0; [L15] main_~c~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] havoc main_~i~0; VAL [main_~len~0=0] [L19-L27] COND TRUE !(0 != main_~c~0 % 256) [L28] __VERIFIER_assert_#in~cond := (if 5 == main_~len~0 then 1 else 0); [L28] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L13] havoc ~a~0; [L14] ~len~0 := 0; [L15] ~c~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] havoc ~i~0; [L19-L27] COND TRUE !(0 != ~c~0 % 256) [L3-L8] ~cond := #in~cond; [L4] COND TRUE 0 == ~cond [L5] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L13] havoc ~a~0; [L14] ~len~0 := 0; [L15] ~c~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] havoc ~i~0; [L19-L27] COND TRUE !(0 != ~c~0 % 256) [L3-L8] ~cond := #in~cond; [L4] COND TRUE 0 == ~cond [L5] assert false; [L13] int a[5]; [L14] int len=0; [L15] _Bool c=__VERIFIER_nondet_bool(); [L16] int i; [L19] COND FALSE !(\read(c)) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() ----- [2018-11-23 03:05:28,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 03:05:28 ImpRootNode [2018-11-23 03:05:28,833 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 03:05:28,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:05:28,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:05:28,837 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:05:28,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:28" (3/4) ... [2018-11-23 03:05:28,839 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~a~0, main_~len~0, main_~c~0, main_~i~0;havoc main_~a~0;main_~len~0 := 0;main_~c~0 := main_#t~nondet0;havoc main_#t~nondet0;havoc main_~i~0; VAL [ULTIMATE.start_main_~len~0=0] [?] BeginParallelComposition{ParallelCodeBlock0: assume !true;ParallelCodeBlock1: assume !(0 != main_~c~0 % 256);}EndParallelComposition__VERIFIER_assert_#in~cond := (if 5 == main_~len~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~len~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume 0 == __VERIFIER_assert_~cond; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~len~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] assume !false; VAL [ULTIMATE.start___VERIFIER_assert_~cond=0, ULTIMATE.start_main_~c~0=0, ULTIMATE.start_main_~len~0=0, |ULTIMATE.start___VERIFIER_assert_#in~cond|=0] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_~a~0, main_~len~0, main_~c~0, main_~i~0; [L13] havoc main_~a~0; [L14] main_~len~0 := 0; [L15] main_~c~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] havoc main_~i~0; VAL [main_~len~0=0] [L19-L27] assume !(0 != main_~c~0 % 256); [L28] __VERIFIER_assert_#in~cond := (if 5 == main_~len~0 then 1 else 0); [L28] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L4-L6] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_~a~0, main_~len~0, main_~c~0, main_~i~0; [L13] havoc main_~a~0; [L14] main_~len~0 := 0; [L15] main_~c~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] havoc main_~i~0; VAL [main_~len~0=0] [L19-L27] assume !(0 != main_~c~0 % 256); [L28] __VERIFIER_assert_#in~cond := (if 5 == main_~len~0 then 1 else 0); [L28] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L4-L6] assume 0 == __VERIFIER_assert_~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_~a~0, main_~len~0, main_~c~0, main_~i~0; [L13] havoc main_~a~0; [L14] main_~len~0 := 0; [L15] main_~c~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] havoc main_~i~0; VAL [main_~len~0=0] [L19-L27] COND TRUE !(0 != main_~c~0 % 256) [L28] __VERIFIER_assert_#in~cond := (if 5 == main_~len~0 then 1 else 0); [L28] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~post1, main_~a~0, main_~len~0, main_~c~0, main_~i~0; [L13] havoc main_~a~0; [L14] main_~len~0 := 0; [L15] main_~c~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] havoc main_~i~0; VAL [main_~len~0=0] [L19-L27] COND TRUE !(0 != main_~c~0 % 256) [L28] __VERIFIER_assert_#in~cond := (if 5 == main_~len~0 then 1 else 0); [L28] havoc __VERIFIER_assert_~cond; [L3-L8] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L4] COND TRUE 0 == __VERIFIER_assert_~cond VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L5] assert false; VAL [__VERIFIER_assert_#in~cond=0, __VERIFIER_assert_~cond=0, main_~c~0=0, main_~len~0=0] [L13] havoc ~a~0; [L14] ~len~0 := 0; [L15] ~c~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] havoc ~i~0; [L19-L27] COND TRUE !(0 != ~c~0 % 256) [L3-L8] ~cond := #in~cond; [L4] COND TRUE 0 == ~cond [L5] assert false; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L13] havoc ~a~0; [L14] ~len~0 := 0; [L15] ~c~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] havoc ~i~0; [L19-L27] COND TRUE !(0 != ~c~0 % 256) [L3-L8] ~cond := #in~cond; [L4] COND TRUE 0 == ~cond [L5] assert false; [L13] int a[5]; [L14] int len=0; [L15] _Bool c=__VERIFIER_nondet_bool(); [L16] int i; [L19] COND FALSE !(\read(c)) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() ----- [2018-11-23 03:05:28,870 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_64357be6-1a2d-4883-8eac-5a75cff8c38b/bin-2019/ukojak/witness.graphml [2018-11-23 03:05:28,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:05:28,871 INFO L168 Benchmark]: Toolchain (without parser) took 664.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:05:28,872 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-23 03:05:28,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.50 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:05:28,873 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.62 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:05:28,873 INFO L168 Benchmark]: Boogie Preprocessor took 49.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 03:05:28,874 INFO L168 Benchmark]: RCFGBuilder took 198.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-11-23 03:05:28,874 INFO L168 Benchmark]: CodeCheck took 185.85 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:05:28,874 INFO L168 Benchmark]: Witness Printer took 36.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:05:28,877 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, 12 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L13] int a[5]; [L14] int len=0; [L15] _Bool c=__VERIFIER_nondet_bool(); [L16] int i; [L19] COND FALSE !(\read(c)) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 163.50 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.62 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -188.8 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 198.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * CodeCheck took 185.85 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Witness Printer took 36.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...