./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/string_false-unreach-call_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_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/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 77cd31699320cd40da64f32a92959020d19291bd .............................................................................................................................................................................................................................................................................................................................................. 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_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/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 77cd31699320cd40da64f32a92959020d19291bd ................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-11-10 05:11:30,680 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:11:30,681 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:11:30,689 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:11:30,689 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:11:30,690 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:11:30,691 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:11:30,692 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:11:30,693 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:11:30,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:11:30,694 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:11:30,694 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:11:30,695 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:11:30,697 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:11:30,697 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:11:30,698 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:11:30,699 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:11:30,700 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:11:30,702 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:11:30,703 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:11:30,704 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:11:30,705 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:11:30,707 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:11:30,707 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:11:30,707 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:11:30,708 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:11:30,709 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:11:30,709 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:11:30,710 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:11:30,711 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:11:30,711 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:11:30,712 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:11:30,712 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:11:30,712 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:11:30,713 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:11:30,713 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:11:30,714 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:11:30,723 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:11:30,723 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:11:30,723 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:11:30,724 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:11:30,724 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:11:30,724 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:11:30,724 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:11:30,725 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:11:30,725 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:11:30,725 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:11:30,725 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:11:30,725 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:11:30,725 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:11:30,725 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:11:30,726 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:11:30,726 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:11:30,726 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:11:30,726 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:11:30,726 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:11:30,726 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:11:30,727 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:11:30,727 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:11:30,727 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:11:30,727 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:11:30,727 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:11:30,727 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:11:30,727 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:11:30,728 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:11:30,728 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_0dfe3548-937f-4a27-aae9-dc8d1428577c/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 -> 77cd31699320cd40da64f32a92959020d19291bd [2018-11-10 05:11:30,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:11:30,761 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:11:30,764 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:11:30,765 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:11:30,765 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:11:30,765 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/../../sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-11-10 05:11:30,810 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/data/dd82f88f8/4b9591977ea647bf81f50922f7ff7461/FLAG68e67a7ce [2018-11-10 05:11:31,196 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:11:31,196 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-11-10 05:11:31,201 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/data/dd82f88f8/4b9591977ea647bf81f50922f7ff7461/FLAG68e67a7ce [2018-11-10 05:11:31,209 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/data/dd82f88f8/4b9591977ea647bf81f50922f7ff7461 [2018-11-10 05:11:31,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:11:31,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:11:31,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:11:31,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:11:31,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:11:31,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79444f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31, skipping insertion in model container [2018-11-10 05:11:31,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:11:31,238 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:11:31,337 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:11:31,339 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:11:31,352 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:11:31,364 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:11:31,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31 WrapperNode [2018-11-10 05:11:31,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:11:31,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:11:31,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:11:31,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:11:31,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:11:31,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:11:31,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:11:31,392 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:11:31,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:11:31,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:11:31,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:11:31,410 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:11:31,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/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 [2018-11-10 05:11:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 05:11:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 05:11:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:11:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:11:31,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 05:11:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 05:11:31,895 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:11:31,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:11:31 BoogieIcfgContainer [2018-11-10 05:11:31,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:11:31,896 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:11:31,896 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:11:31,905 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:11:31,906 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:11:31" (1/1) ... [2018-11-10 05:11:31,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:11:31,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:31,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-11-10 05:11:31,947 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-11-10 05:11:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 05:11:31,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:32,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:32,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2018-11-10 05:11:32,034 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2018-11-10 05:11:32,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 05:11:32,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-11-10 05:11:32,097 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-11-10 05:11:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 05:11:32,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:32,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2018-11-10 05:11:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2018-11-10 05:11:32,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 05:11:32,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:32,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 05:11:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2018-11-10 05:11:32,221 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2018-11-10 05:11:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 05:11:32,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:32,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:11:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:32,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2018-11-10 05:11:32,304 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2018-11-10 05:11:32,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 05:11:32,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:32,350 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:11:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2018-11-10 05:11:32,398 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2018-11-10 05:11:32,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 05:11:32,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:11:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:32,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2018-11-10 05:11:32,501 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2018-11-10 05:11:32,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 05:11:32,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:11:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:32,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2018-11-10 05:11:32,572 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2018-11-10 05:11:32,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 05:11:32,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:32,597 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:11:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2018-11-10 05:11:32,627 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2018-11-10 05:11:32,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 05:11:32,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:11:32,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:32,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2018-11-10 05:11:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2018-11-10 05:11:32,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 05:11:32,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 05:11:32,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 44 states and 52 transitions. [2018-11-10 05:11:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2018-11-10 05:11:32,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 05:11:32,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:11:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:11:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:11:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:11:32,866 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2018-11-10 05:11:32,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:11:32 ImpRootNode [2018-11-10 05:11:32,897 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:11:32,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:11:32,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:11:32,897 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:11:32,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:11:31" (3/4) ... [2018-11-10 05:11:32,902 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:11:32,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:11:32,902 INFO L168 Benchmark]: Toolchain (without parser) took 1690.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 959.1 MB in the beginning and 965.5 MB in the end (delta: -6.4 MB). Peak memory consumption was 122.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:32,904 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:11:32,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:32,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.95 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:32,906 INFO L168 Benchmark]: Boogie Preprocessor took 17.64 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:32,906 INFO L168 Benchmark]: RCFGBuilder took 485.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 943.0 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:32,908 INFO L168 Benchmark]: CodeCheck took 1000.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 965.5 MB in the end (delta: 125.6 MB). Peak memory consumption was 125.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:32,909 INFO L168 Benchmark]: Witness Printer took 4.83 ms. Allocated memory is still 1.2 GB. Free memory is still 965.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:11:32,913 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, 56 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32256 SDtfs, 4092 SDslu, 5624 SDs, 0 SdLazy, 12804 SolverSat, 6188 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1969 GetRequests, 1915 SyntacticMatches, 32 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 11958 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 132/212 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 shiftLeft at line 55. Possible FailurePath: [L17] FCALL char string_A[5], string_B[5]; [L18] int i, j, nc_A, nc_B, found=0; [L21] i=0 [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND FALSE !(i<5) [L23] EXPR, FCALL string_A[5 -1] [L23] COND FALSE !(!(string_A[5 -1]=='\0')) [L25] i=0 [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND FALSE !(i<5) [L27] EXPR, FCALL string_B[5 -1] [L27] COND FALSE !(!(string_B[5 -1]=='\0')) [L29] nc_A = 0 [L30] EXPR, FCALL string_A[nc_A] [L30] COND FALSE !(string_A[nc_A]!='\0') [L33] nc_B = 0 [L34] EXPR, FCALL string_B[nc_B] [L34] COND FALSE !(string_B[nc_B]!='\0') [L37] COND FALSE !(!(nc_B >= nc_A)) [L40] EXPR j=0 [L40] i=j=0 [L41] COND FALSE !((inc_B-1)< main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/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 -> 77cd31699320cd40da64f32a92959020d19291bd [2018-11-10 05:11:34,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:11:34,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:11:34,411 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:11:34,412 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:11:34,413 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:11:34,413 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/../../sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-11-10 05:11:34,460 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/data/35c83a85f/24ffdb094a434e6cb6c8b4f177d6d251/FLAGba1d0dc78 [2018-11-10 05:11:34,794 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:11:34,794 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-11-10 05:11:34,799 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/data/35c83a85f/24ffdb094a434e6cb6c8b4f177d6d251/FLAGba1d0dc78 [2018-11-10 05:11:34,808 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/data/35c83a85f/24ffdb094a434e6cb6c8b4f177d6d251 [2018-11-10 05:11:34,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:11:34,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:11:34,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:11:34,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:11:34,814 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:11:34,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:11:34" (1/1) ... [2018-11-10 05:11:34,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c9978e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34, skipping insertion in model container [2018-11-10 05:11:34,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:11:34" (1/1) ... [2018-11-10 05:11:34,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:11:34,835 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:11:34,947 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:11:34,950 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:11:34,970 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:11:34,984 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:11:34,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34 WrapperNode [2018-11-10 05:11:34,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:11:34,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:11:34,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:11:34,986 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:11:34,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34" (1/1) ... [2018-11-10 05:11:34,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34" (1/1) ... [2018-11-10 05:11:35,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:11:35,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:11:35,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:11:35,015 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:11:35,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34" (1/1) ... [2018-11-10 05:11:35,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34" (1/1) ... [2018-11-10 05:11:35,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34" (1/1) ... [2018-11-10 05:11:35,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34" (1/1) ... [2018-11-10 05:11:35,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34" (1/1) ... [2018-11-10 05:11:35,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34" (1/1) ... [2018-11-10 05:11:35,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34" (1/1) ... [2018-11-10 05:11:35,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:11:35,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:11:35,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:11:35,032 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:11:35,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:11:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/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 [2018-11-10 05:11:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 05:11:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-10 05:11:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:11:35,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:11:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-10 05:11:35,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 05:11:35,533 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:11:35,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:11:35 BoogieIcfgContainer [2018-11-10 05:11:35,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:11:35,534 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:11:35,534 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:11:35,540 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:11:35,540 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:11:35" (1/1) ... [2018-11-10 05:11:35,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:11:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:35,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-11-10 05:11:35,571 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-11-10 05:11:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 05:11:35,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:35,606 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:35,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:35,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:35,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:35,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2018-11-10 05:11:35,647 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2018-11-10 05:11:35,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 05:11:35,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:35,649 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:35,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:35,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:11:35,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:35,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-11-10 05:11:35,703 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-11-10 05:11:35,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 05:11:35,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:35,705 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:35,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:11:35,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2018-11-10 05:11:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2018-11-10 05:11:35,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 05:11:35,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:35,743 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:35,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:11:35,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:35,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2018-11-10 05:11:35,869 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2018-11-10 05:11:35,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 05:11:35,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:35,870 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:35,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:35,895 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 05:11:35,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:35,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2018-11-10 05:11:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2018-11-10 05:11:35,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 05:11:35,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:35,922 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:35,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 05:11:36,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:36,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2018-11-10 05:11:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2018-11-10 05:11:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 05:11:36,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:36,033 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:36,063 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:36,078 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 05:11:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:36,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2018-11-10 05:11:36,094 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2018-11-10 05:11:36,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-10 05:11:36,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:36,096 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:36,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 05:11:36,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:36,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2018-11-10 05:11:36,259 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2018-11-10 05:11:36,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 05:11:36,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:36,261 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:36,294 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 05:11:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:36,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 67 transitions. [2018-11-10 05:11:36,514 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2018-11-10 05:11:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 05:11:36,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:36,518 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:36,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:36,580 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 05:11:36,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:36,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 59 states and 83 transitions. [2018-11-10 05:11:36,870 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2018-11-10 05:11:36,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 05:11:36,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:36,872 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:36,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-10 05:11:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2018-11-10 05:11:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2018-11-10 05:11:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 05:11:37,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:37,003 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:37,024 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 05:11:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:37,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2018-11-10 05:11:37,078 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2018-11-10 05:11:37,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 05:11:37,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:37,079 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:37,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:37,178 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 05:11:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-11-10 05:11:37,437 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-11-10 05:11:37,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 05:11:37,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:37,439 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:37,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:37,465 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 05:11:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:37,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2018-11-10 05:11:37,566 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2018-11-10 05:11:37,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 05:11:37,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:37,567 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:37,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:37,688 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-10 05:11:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:37,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2018-11-10 05:11:37,966 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2018-11-10 05:11:37,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 05:11:37,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:37,967 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:37,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-10 05:11:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 79 states and 112 transitions. [2018-11-10 05:11:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2018-11-10 05:11:38,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 05:11:38,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:38,112 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:11:38,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 05:11:38,188 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-10 05:11:38,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:11:38,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2018-11-10 05:11:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2018-11-10 05:11:38,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 05:11:38,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:11:38,205 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-10 05:11:38,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:11:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:11:38,597 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2018-11-10 05:11:38,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:11:38 ImpRootNode [2018-11-10 05:11:38,629 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:11:38,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:11:38,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:11:38,630 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:11:38,630 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:11:35" (3/4) ... [2018-11-10 05:11:38,632 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 05:11:38,687 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0dfe3548-937f-4a27-aae9-dc8d1428577c/bin-2019/ukojak/witness.graphml [2018-11-10 05:11:38,687 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:11:38,687 INFO L168 Benchmark]: Toolchain (without parser) took 3877.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 214.4 MB). Free memory was 950.8 MB in the beginning and 981.0 MB in the end (delta: -30.2 MB). Peak memory consumption was 184.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:38,688 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:11:38,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.69 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:38,689 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.95 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:11:38,689 INFO L168 Benchmark]: Boogie Preprocessor took 17.50 ms. Allocated memory is still 1.0 GB. Free memory is still 934.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:11:38,690 INFO L168 Benchmark]: RCFGBuilder took 501.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -183.2 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:38,690 INFO L168 Benchmark]: CodeCheck took 3095.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.1 GB in the beginning and 988.6 MB in the end (delta: 129.2 MB). Peak memory consumption was 183.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:38,691 INFO L168 Benchmark]: Witness Printer took 57.35 ms. Allocated memory is still 1.2 GB. Free memory was 988.6 MB in the beginning and 981.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:11:38,693 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, 56 locations, 1 error locations. UNSAFE Result, 3.0s OverallTime, 18 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2101760 SDtfs, 276756 SDslu, 331928 SDs, 0 SdLazy, 932444 SolverSat, 431432 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4239 GetRequests, 4155 SyntacticMatches, 16 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2138 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 597 NumberOfCodeBlocks, 597 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 534 ConstructedInterpolants, 0 QuantifiedInterpolants, 37804 SizeOfPredicates, 44 NumberOfNonLiveVariables, 1073 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 310/438 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: [L17] FCALL char string_A[5], string_B[5]; [L18] int i, j, nc_A, nc_B, found=0; [L21] i=0 [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND FALSE !(i<5) [L23] EXPR, FCALL string_A[5 -1] [L23] COND FALSE !(!(string_A[5 -1]=='\0')) [L25] i=0 [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND FALSE !(i<5) [L27] EXPR, FCALL string_B[5 -1] [L27] COND FALSE !(!(string_B[5 -1]=='\0')) [L29] nc_A = 0 [L30] EXPR, FCALL string_A[nc_A] [L30] COND TRUE string_A[nc_A]!='\0' [L31] nc_A++ [L30] EXPR, FCALL string_A[nc_A] [L30] COND FALSE !(string_A[nc_A]!='\0') [L33] nc_B = 0 [L34] EXPR, FCALL string_B[nc_B] [L34] COND TRUE string_B[nc_B]!='\0' [L35] nc_B++ [L34] EXPR, FCALL string_B[nc_B] [L34] COND FALSE !(string_B[nc_B]!='\0') [L37] COND FALSE !(!(nc_B >= nc_A)) [L40] EXPR j=0 [L40] i=j=0 [L41] COND TRUE (inc_B-1)<