./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/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 8d15e59fd1b84d7219285b33cc166f567d0bcf3e ................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:44:29,490 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:44:29,491 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:44:29,500 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:44:29,500 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:44:29,501 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:44:29,501 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:44:29,503 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:44:29,504 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:44:29,504 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:44:29,505 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:44:29,505 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:44:29,506 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:44:29,506 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:44:29,507 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:44:29,508 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:44:29,508 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:44:29,509 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:44:29,510 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:44:29,511 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:44:29,512 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:44:29,513 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:44:29,514 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:44:29,514 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:44:29,514 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:44:29,515 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:44:29,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:44:29,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:44:29,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:44:29,517 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:44:29,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:44:29,518 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:44:29,518 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:44:29,518 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:44:29,519 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:44:29,519 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:44:29,520 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:44:29,529 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:44:29,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:44:29,530 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:44:29,530 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:44:29,531 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:44:29,531 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:44:29,531 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:44:29,531 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:44:29,531 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:44:29,531 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:44:29,532 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:44:29,532 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:44:29,532 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:44:29,532 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:44:29,532 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:44:29,532 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:44:29,532 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:44:29,532 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:44:29,533 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:44:29,533 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:44:29,533 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:44:29,533 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:44:29,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:44:29,533 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:44:29,533 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:44:29,534 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:44:29,534 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:44:29,534 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:44:29,534 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:44:29,534 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_983617d9-daa5-42e4-bdf1-f066b7d93c00/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 -> 8d15e59fd1b84d7219285b33cc166f567d0bcf3e [2018-11-18 11:44:29,556 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:44:29,565 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:44:29,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:44:29,568 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:44:29,569 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:44:29,569 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c [2018-11-18 11:44:29,615 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/data/a481fd090/be66cdb851f6414e9a487d2af6eebcb6/FLAG0d448cc6a [2018-11-18 11:44:29,926 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:44:29,927 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/sv-benchmarks/c/ldv-regression/test27_false-unreach-call_true-termination.c [2018-11-18 11:44:29,930 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/data/a481fd090/be66cdb851f6414e9a487d2af6eebcb6/FLAG0d448cc6a [2018-11-18 11:44:29,938 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/data/a481fd090/be66cdb851f6414e9a487d2af6eebcb6 [2018-11-18 11:44:29,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:44:29,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:44:29,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:44:29,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:44:29,944 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:44:29,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:44:29" (1/1) ... [2018-11-18 11:44:29,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383ef775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:29, skipping insertion in model container [2018-11-18 11:44:29,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:44:29" (1/1) ... [2018-11-18 11:44:29,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:44:29,965 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:44:30,081 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:44:30,086 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:44:30,101 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:44:30,112 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:44:30,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:30 WrapperNode [2018-11-18 11:44:30,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:44:30,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:44:30,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:44:30,113 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:44:30,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:30" (1/1) ... [2018-11-18 11:44:30,125 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:30" (1/1) ... [2018-11-18 11:44:30,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:44:30,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:44:30,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:44:30,178 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:44:30,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:30" (1/1) ... [2018-11-18 11:44:30,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:30" (1/1) ... [2018-11-18 11:44:30,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:30" (1/1) ... [2018-11-18 11:44:30,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:30" (1/1) ... [2018-11-18 11:44:30,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:30" (1/1) ... [2018-11-18 11:44:30,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:30" (1/1) ... [2018-11-18 11:44:30,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:30" (1/1) ... [2018-11-18 11:44:30,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:44:30,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:44:30,203 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:44:30,204 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:44:30,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:44:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:44:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 11:44:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 11:44:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 11:44:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:44:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:44:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:44:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 11:44:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 11:44:30,500 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:44:30,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:30 BoogieIcfgContainer [2018-11-18 11:44:30,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:44:30,501 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:44:30,501 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:44:30,507 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:44:30,507 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:30" (1/1) ... [2018-11-18 11:44:30,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:44:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:30,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2018-11-18 11:44:30,536 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2018-11-18 11:44:30,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 11:44:30,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:44:30,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:30,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 11:44:30,617 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 11:44:30,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 11:44:30,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:30,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:44:30,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:30,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-11-18 11:44:30,705 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-11-18 11:44:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 11:44:30,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:30,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:44:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-11-18 11:44:30,817 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-11-18 11:44:30,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 11:44:30,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:44:30,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-18 11:44:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-18 11:44:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 11:44:30,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:30,960 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:44:30,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:30,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-11-18 11:44:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-11-18 11:44:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 11:44:30,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:44:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:31,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-11-18 11:44:31,120 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-11-18 11:44:31,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 11:44:31,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:44:31,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2018-11-18 11:44:31,246 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-18 11:44:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 11:44:31,247 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:31,299 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:44:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2018-11-18 11:44:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2018-11-18 11:44:31,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 11:44:31,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:31,447 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:44:31,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:31,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2018-11-18 11:44:31,541 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2018-11-18 11:44:31,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 11:44:31,541 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:44:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:31,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 32 states and 36 transitions. [2018-11-18 11:44:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2018-11-18 11:44:31,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 11:44:31,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:44:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:44:31,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:44:31,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 34 states and 37 transitions. [2018-11-18 11:44:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2018-11-18 11:44:31,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 11:44:31,776 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:44:31,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:44:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:44:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:44:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:44:32,868 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2018-11-18 11:44:32,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:44:32 ImpRootNode [2018-11-18 11:44:32,901 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:44:32,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:44:32,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:44:32,902 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:44:32,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:44:30" (3/4) ... [2018-11-18 11:44:32,905 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 11:44:32,971 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_983617d9-daa5-42e4-bdf1-f066b7d93c00/bin-2019/ukojak/witness.graphml [2018-11-18 11:44:32,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:44:32,972 INFO L168 Benchmark]: Toolchain (without parser) took 3031.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 959.1 MB in the beginning and 846.9 MB in the end (delta: 112.3 MB). Peak memory consumption was 239.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:32,973 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-18 11:44:32,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:32,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:32,975 INFO L168 Benchmark]: Boogie Preprocessor took 25.29 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:32,975 INFO L168 Benchmark]: RCFGBuilder took 297.12 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:32,975 INFO L168 Benchmark]: CodeCheck took 2400.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.3 MB in the end (delta: 239.3 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:32,976 INFO L168 Benchmark]: Witness Printer took 70.35 ms. Allocated memory is still 1.2 GB. Free memory was 850.3 MB in the beginning and 846.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:44:32,980 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, 19 locations, 1 error locations. UNSAFE Result, 2.3s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17408 SDtfs, 4092 SDslu, 6136 SDs, 0 SdLazy, 12276 SolverSat, 6140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1324 GetRequests, 1196 SyntacticMatches, 90 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 228 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 8239 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 0/330 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: 51]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L22] FCALL struct cont cont; [L23] FCALL struct dummy dummy; [L24] FCALL struct dummy *dummies[10]; [L25] FCALL int a[10]; [L26] int i, *pa; [L27] i = __VERIFIER_nondet_int() [L28] int j = 0; [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND TRUE j < 10 [L29] FCALL a[j] = __VERIFIER_nondet_int() [L30] FCALL dummies[j] = __VERIFIER_nondet_pointer() [L28] j++ [L28] COND FALSE !(j < 10) [L32] COND TRUE i >= 0 && i < 9 [L33] FCALL a[i] = i [L34] FCALL dummy.array = &a[i] [L35] FCALL dummies[i + 1] = &dummy [L36] FCALL cont.array = &dummies[0] [L37] EXPR, FCALL cont.array [L37] EXPR, FCALL cont.array[i] [L37] EXPR, FCALL cont.array[i]->array [L37] pa = &cont.array[i]->array[i] [L38] EXPR, FCALL a[i] [L38] COND TRUE a[i] > 0 [L39] EXPR, FCALL dummies[i + 1] [L39] EXPR, FCALL dummies[i + 1]->array [L39] EXPR, FCALL dummies[i + 1]->array[i] [L39] i = dummies[i + 1]->array[i] - 10 [L40] EXPR, FCALL \read(*pa) [L40] COND FALSE !(i < *pa) [L43] CALL, EXPR check(&cont, i) [L17] EXPR, FCALL pc->array [L17] EXPR, FCALL pc->array[i] [L17] EXPR, FCALL pc->array[i]->array [L17] EXPR, FCALL pc->array[i]->array[i] [L17] RET return pc->array[i]->array[i] == i; [L43] EXPR check(&cont, i) [L43] COND TRUE !check(&cont, i) [L51] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.83 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -179.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.29 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: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 297.12 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * CodeCheck took 2400.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 850.3 MB in the end (delta: 239.3 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. * Witness Printer took 70.35 ms. Allocated memory is still 1.2 GB. Free memory was 850.3 MB in the beginning and 846.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...