./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/verisec_OpenSER__cases1_stripFullBoth_arr_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_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/verisec_OpenSER__cases1_stripFullBoth_arr_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/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 49da897df5dcdfc1bc615bb8c40422792fce477f .......................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:24:22,611 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:24:22,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:24:22,623 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:24:22,624 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:24:22,625 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:24:22,626 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:24:22,627 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:24:22,628 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:24:22,628 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:24:22,632 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:24:22,632 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:24:22,633 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:24:22,635 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:24:22,644 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:24:22,645 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:24:22,645 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:24:22,646 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:24:22,648 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:24:22,649 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:24:22,649 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:24:22,650 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:24:22,652 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:24:22,652 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:24:22,652 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:24:22,653 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:24:22,653 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:24:22,654 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:24:22,654 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:24:22,655 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:24:22,655 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:24:22,656 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:24:22,656 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:24:22,656 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:24:22,657 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:24:22,657 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:24:22,658 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:24:22,668 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:24:22,668 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:24:22,669 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:24:22,669 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:24:22,669 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:24:22,670 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:24:22,670 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:24:22,670 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:24:22,670 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:24:22,670 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:24:22,670 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:24:22,670 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:24:22,671 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:24:22,671 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:24:22,671 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:24:22,671 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:24:22,671 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:24:22,671 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:24:22,671 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:24:22,671 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:24:22,672 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:24:22,672 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:24:22,672 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:24:22,672 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:24:22,672 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:24:22,672 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:24:22,672 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:24:22,673 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:24:22,673 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_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/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 -> 49da897df5dcdfc1bc615bb8c40422792fce477f [2018-10-26 19:24:22,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:24:22,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:24:22,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:24:22,721 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:24:22,721 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:24:22,722 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/../../sv-benchmarks/c/loops/verisec_OpenSER__cases1_stripFullBoth_arr_false-unreach-call_true-termination.i [2018-10-26 19:24:22,769 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/data/a92f13269/72bc715574e44257b455bf329d189ca2/FLAG4dcfd90ea [2018-10-26 19:24:23,154 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:24:23,154 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/sv-benchmarks/c/loops/verisec_OpenSER__cases1_stripFullBoth_arr_false-unreach-call_true-termination.i [2018-10-26 19:24:23,159 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/data/a92f13269/72bc715574e44257b455bf329d189ca2/FLAG4dcfd90ea [2018-10-26 19:24:23,172 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/data/a92f13269/72bc715574e44257b455bf329d189ca2 [2018-10-26 19:24:23,174 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:24:23,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:24:23,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:24:23,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:24:23,179 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:24:23,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:24:23" (1/1) ... [2018-10-26 19:24:23,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77473120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23, skipping insertion in model container [2018-10-26 19:24:23,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:24:23" (1/1) ... [2018-10-26 19:24:23,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:24:23,205 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:24:23,336 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:24:23,343 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:24:23,365 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:24:23,378 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:24:23,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23 WrapperNode [2018-10-26 19:24:23,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:24:23,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:24:23,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:24:23,379 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:24:23,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23" (1/1) ... [2018-10-26 19:24:23,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23" (1/1) ... [2018-10-26 19:24:23,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:24:23,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:24:23,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:24:23,416 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:24:23,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23" (1/1) ... [2018-10-26 19:24:23,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23" (1/1) ... [2018-10-26 19:24:23,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23" (1/1) ... [2018-10-26 19:24:23,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23" (1/1) ... [2018-10-26 19:24:23,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23" (1/1) ... [2018-10-26 19:24:23,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23" (1/1) ... [2018-10-26 19:24:23,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23" (1/1) ... [2018-10-26 19:24:23,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:24:23,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:24:23,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:24:23,440 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:24:23,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:24:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:24:23,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 19:24:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 19:24:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 19:24:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:24:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:24:23,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-10-26 19:24:24,579 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:24:24,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:24:24 BoogieIcfgContainer [2018-10-26 19:24:24,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:24:24,580 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:24:24,580 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:24:24,590 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:24:24,590 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:24:24" (1/1) ... [2018-10-26 19:24:24,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:24:24,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:24,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2018-10-26 19:24:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2018-10-26 19:24:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 19:24:24,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:24:24,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:24,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2018-10-26 19:24:24,774 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2018-10-26 19:24:24,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 19:24:24,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:25,048 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 8 [2018-10-26 19:24:25,582 WARN L179 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2018-10-26 19:24:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:24:26,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2018-10-26 19:24:26,190 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2018-10-26 19:24:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 19:24:26,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:24:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-10-26 19:24:26,589 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-10-26 19:24:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:24:26,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:26,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:24:27,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:27,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 44 states and 71 transitions. [2018-10-26 19:24:27,365 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 71 transitions. [2018-10-26 19:24:27,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:24:27,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:24:27,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:24:27,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:24:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 47 states and 76 transitions. [2018-10-26 19:24:27,870 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2018-10-26 19:24:27,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 19:24:27,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:24:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:24:27,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:24:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:24:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:24:28,050 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-10-26 19:24:28,097 WARN L1239 BoogieBacktranslator]: unknown boogie variable r_strncpy_#in~src [2018-10-26 19:24:28,111 WARN L1239 BoogieBacktranslator]: unknown boogie variable r_strncpy_#in~src [2018-10-26 19:24:28,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:24:28 ImpRootNode [2018-10-26 19:24:28,121 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:24:28,122 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:24:28,122 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:24:28,122 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:24:28,123 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:24:24" (3/4) ... [2018-10-26 19:24:28,125 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 19:24:28,147 WARN L1239 BoogieBacktranslator]: unknown boogie variable r_strncpy_#in~src [2018-10-26 19:24:28,147 WARN L1239 BoogieBacktranslator]: unknown boogie variable r_strncpy_#in~src [2018-10-26 19:24:28,237 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a5abf515-8beb-4384-8dfb-53bd3a5cfd71/bin-2019/ukojak/witness.graphml [2018-10-26 19:24:28,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:24:28,239 INFO L168 Benchmark]: Toolchain (without parser) took 5064.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 955.8 MB in the beginning and 1.2 GB in the end (delta: -203.3 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:24:28,240 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:24:28,240 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.32 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 942.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:24:28,241 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.93 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:24:28,241 INFO L168 Benchmark]: Boogie Preprocessor took 23.72 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:24:28,242 INFO L168 Benchmark]: RCFGBuilder took 1140.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:24:28,242 INFO L168 Benchmark]: CodeCheck took 3541.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:24:28,243 INFO L168 Benchmark]: Witness Printer took 115.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:24:28,247 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, 59 locations, 1 error locations. UNSAFE Result, 3.4s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 520 SDtfs, 292 SDslu, 316 SDs, 0 SdLazy, 1012 SolverSat, 240 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 664 GetRequests, 578 SyntacticMatches, 34 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 7228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/8 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L75] FCALL char A [2 + 2 + 4 +1]; [L76] FCALL A[2 + 2 + 4] = 0 [L77] CALL parse_expression_list (A) [L49] int start=0, i=-1, j=-1; [L50] FCALL char str2[2]; [L51] COND FALSE !(!str) [L53] i++ [L54] FCALL str[i] [L55] case 0: [L70] EXPR, FCALL str[i] [L70] COND TRUE str[i] != 0 [L53] i++ [L54] FCALL str[i] [L55] case 0: [L70] EXPR, FCALL str[i] [L70] COND TRUE str[i] != 0 [L53] i++ [L54] FCALL str[i] [L55] case 0: [L56] EXPR, FCALL str[start] [L56] (str[start] == ' ') || (str[start] == '\t') [L56] EXPR, FCALL str[start] [L56] (str[start] == ' ') || (str[start] == '\t') [L56] COND FALSE !((str[start] == ' ') || (str[start] == '\t')) [L57] EXPR, FCALL str[start] [L57] COND FALSE !(str[start] == '"') [L58] j = i-1 [L59] (0 < j) && ((str[j] == ' ') || (str[j] == '\t')) [L59] EXPR, FCALL str[j] [L59] EXPR (str[j] == ' ') || (str[j] == '\t') [L59] EXPR, FCALL str[j] [L59] EXPR (str[j] == ' ') || (str[j] == '\t') [L59] (0 < j) && ((str[j] == ' ') || (str[j] == '\t')) [L59] COND FALSE !((0 < j) && ((str[j] == ' ') || (str[j] == '\t'))) [L60] (0 < j) && (str[j] == '"') [L60] EXPR, FCALL str[j] [L60] (0 < j) && (str[j] == '"') [L60] COND FALSE !((0 < j) && (str[j] == '"')) [L61] COND TRUE start<=j [L62] FCALL r_strncpy(str2, str+start, j-start+1) [L63] CALL __VERIFIER_assert(j - start + 1 < 2) [L4] COND TRUE !(cond) VAL [r_strncpy_#in~src={5:0}] [L5] __VERIFIER_error() VAL [r_strncpy_#in~src={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.32 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 942.4 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 35.93 ms. Allocated memory is still 1.0 GB. Free memory was 942.4 MB in the beginning and 939.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.72 ms. Allocated memory is still 1.0 GB. Free memory is still 939.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1140.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -142.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * CodeCheck took 3541.67 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 63.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 115.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable r_strncpy_#in~src - GenericResult: Unfinished Backtranslation unknown boogie variable r_strncpy_#in~src - GenericResult: Unfinished Backtranslation unknown boogie variable r_strncpy_#in~src - GenericResult: Unfinished Backtranslation unknown boogie variable r_strncpy_#in~src RESULT: Ultimate proved your program to be incorrect! Received shutdown request...