./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8770e865452d763f6a1ae70a92c5caf41552c1e5 ............................................................................................................................................................................................................................................................................................. 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 0.2.0-a4ecdab [2020-11-29 20:15:00,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:15:00,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:15:00,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:15:00,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:15:00,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:15:00,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:15:00,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:15:00,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:15:00,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:15:00,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:15:00,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:15:00,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:15:00,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:15:00,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:15:00,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:15:00,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:15:00,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:15:00,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:15:01,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:15:01,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:15:01,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:15:01,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:15:01,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:15:01,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:15:01,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:15:01,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:15:01,029 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:15:01,030 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:15:01,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:15:01,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:15:01,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:15:01,037 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:15:01,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:15:01,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:15:01,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:15:01,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:15:01,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:15:01,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:15:01,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:15:01,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:15:01,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:15:01,113 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:15:01,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:15:01,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:15:01,116 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:15:01,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:15:01,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:15:01,117 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:15:01,118 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:15:01,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:15:01,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:15:01,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:15:01,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:15:01,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:15:01,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:15:01,121 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:15:01,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:15:01,122 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:15:01,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:15:01,122 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:15:01,122 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:15:01,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:15:01,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:15:01,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:15:01,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:15:01,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:15:01,124 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:15:01,125 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:15:01,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:15:01,125 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:15:01,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8770e865452d763f6a1ae70a92c5caf41552c1e5 [2020-11-29 20:15:01,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:15:01,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:15:01,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:15:01,544 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:15:01,545 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:15:01,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2020-11-29 20:15:01,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/data/5b4dc69d2/f158cdf0df034e8db24b1e29b76357b0/FLAG2bed43df8 [2020-11-29 20:15:02,444 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:15:02,445 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2020-11-29 20:15:02,458 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/data/5b4dc69d2/f158cdf0df034e8db24b1e29b76357b0/FLAG2bed43df8 [2020-11-29 20:15:02,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/data/5b4dc69d2/f158cdf0df034e8db24b1e29b76357b0 [2020-11-29 20:15:02,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:15:02,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:15:02,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:15:02,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:15:02,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:15:02,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:15:02" (1/1) ... [2020-11-29 20:15:02,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179cf0e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:02, skipping insertion in model container [2020-11-29 20:15:02,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:15:02" (1/1) ... [2020-11-29 20:15:02,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:15:02,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:15:03,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:15:03,178 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:15:03,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:15:03,245 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:15:03,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:03 WrapperNode [2020-11-29 20:15:03,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:15:03,249 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:15:03,249 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:15:03,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:15:03,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:03" (1/1) ... [2020-11-29 20:15:03,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:03" (1/1) ... [2020-11-29 20:15:03,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:15:03,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:15:03,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:15:03,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:15:03,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:03" (1/1) ... [2020-11-29 20:15:03,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:03" (1/1) ... [2020-11-29 20:15:03,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:03" (1/1) ... [2020-11-29 20:15:03,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:03" (1/1) ... [2020-11-29 20:15:03,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:03" (1/1) ... [2020-11-29 20:15:03,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:03" (1/1) ... [2020-11-29 20:15:03,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:03" (1/1) ... [2020-11-29 20:15:03,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:15:03,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:15:03,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:15:03,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:15:03,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:15:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/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 [2020-11-29 20:15:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:15:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 20:15:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 20:15:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:15:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-11-29 20:15:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:15:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:15:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 20:15:04,359 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:15:04,360 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-29 20:15:04,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:15:04 BoogieIcfgContainer [2020-11-29 20:15:04,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:15:04,364 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:15:04,364 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:15:04,379 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:15:04,380 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:15:04" (1/1) ... [2020-11-29 20:15:04,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:15:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:15:04,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2020-11-29 20:15:04,439 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2020-11-29 20:15:04,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 20:15:04,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:15:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:15:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:15:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:15:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2020-11-29 20:15:04,624 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2020-11-29 20:15:04,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 20:15:04,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:15:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:15:05,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:15:05,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:15:05,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2020-11-29 20:15:05,299 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2020-11-29 20:15:05,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 20:15:05,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:15:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:15:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:15:06,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:15:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2020-11-29 20:15:06,006 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2020-11-29 20:15:06,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-29 20:15:06,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:15:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:15:06,318 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:15:07,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:15:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2020-11-29 20:15:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2020-11-29 20:15:07,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 20:15:07,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:15:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:15:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:15:08,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:15:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2020-11-29 20:15:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2020-11-29 20:15:08,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 20:15:08,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:15:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:15:08,733 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:15:08,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:15:08,781 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:15:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:15:08,888 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:15:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:15:08,915 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:15:08,990 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2020-11-29 20:15:09,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:15:09 ImpRootNode [2020-11-29 20:15:09,116 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:15:09,118 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:15:09,118 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:15:09,118 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:15:09,119 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:15:04" (3/4) ... [2020-11-29 20:15:09,122 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 20:15:09,205 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8dc706b6-00b1-40ea-999e-5e370ce523e6/bin/ukojak/witness.graphml [2020-11-29 20:15:09,205 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:15:09,208 INFO L168 Benchmark]: Toolchain (without parser) took 6432.21 ms. Allocated memory was 90.2 MB in the beginning and 136.3 MB in the end (delta: 46.1 MB). Free memory was 60.9 MB in the beginning and 82.6 MB in the end (delta: -21.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2020-11-29 20:15:09,210 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 90.2 MB. Free memory was 49.6 MB in the beginning and 49.5 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:15:09,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.07 ms. Allocated memory is still 90.2 MB. Free memory was 60.7 MB in the beginning and 65.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:15:09,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.54 ms. Allocated memory is still 90.2 MB. Free memory was 65.9 MB in the beginning and 64.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:15:09,213 INFO L168 Benchmark]: Boogie Preprocessor took 32.38 ms. Allocated memory is still 90.2 MB. Free memory was 64.2 MB in the beginning and 62.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:15:09,215 INFO L168 Benchmark]: RCFGBuilder took 1019.27 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 62.7 MB in the beginning and 78.0 MB in the end (delta: -15.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:15:09,216 INFO L168 Benchmark]: CodeCheck took 4752.65 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 78.0 MB in the beginning and 85.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:15:09,217 INFO L168 Benchmark]: Witness Printer took 88.06 ms. Allocated memory is still 136.3 MB. Free memory was 85.7 MB in the beginning and 82.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:15:09,224 INFO L339 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, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 536 SDtfs, 312 SDslu, 324 SDs, 0 SdLazy, 1106 SolverSat, 286 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 700 GetRequests, 616 SyntacticMatches, 24 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1181 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 7867 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L85] char A [2 + 2 + 4 +1]; [L86] A[2 + 2 + 4] = 0 [L59] int start=0, i=-1, j=-1; [L60] char str2[2]; [L61] COND FALSE !(!str) [L63] i++ [L64] str[i] [L65] case 0: [L80] EXPR str[i] [L80] COND TRUE str[i] != 0 [L63] i++ [L64] str[i] [L65] case 0: [L80] EXPR str[i] [L80] COND TRUE str[i] != 0 [L63] i++ [L64] str[i] [L65] case 0: [L66] EXPR str[start] [L66] (str[start] == ' ') || (str[start] == '\t') [L66] EXPR str[start] [L66] (str[start] == ' ') || (str[start] == '\t') [L66] COND FALSE !((str[start] == ' ') || (str[start] == '\t')) [L67] EXPR str[start] [L67] COND FALSE !(str[start] == '"') [L68] j = i-1 [L69] (0 < j) && ((str[j] == ' ') || (str[j] == '\t')) [L69] EXPR str[j] [L69] EXPR (str[j] == ' ') || (str[j] == '\t') [L69] EXPR str[j] [L69] EXPR (str[j] == ' ') || (str[j] == '\t') [L69] (0 < j) && ((str[j] == ' ') || (str[j] == '\t')) [L69] COND FALSE !((0 < j) && ((str[j] == ' ') || (str[j] == '\t'))) [L70] (0 < j) && (str[j] == '"') [L70] EXPR str[j] [L70] (0 < j) && (str[j] == '"') [L70] COND FALSE !((0 < j) && (str[j] == '"')) [L71] COND TRUE start<=j [L41] return strncpy(dest,src,n); [L14] COND TRUE !(cond) [L12] COND FALSE !(0) [L12] __assert_fail ("0", "verisec_OpenSER_cases1_stripFullBoth_arr.c", 3, __extension__ __PRETTY_FUNCTION__) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 90.2 MB. Free memory was 49.6 MB in the beginning and 49.5 MB in the end (delta: 35.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 470.07 ms. Allocated memory is still 90.2 MB. Free memory was 60.7 MB in the beginning and 65.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.54 ms. Allocated memory is still 90.2 MB. Free memory was 65.9 MB in the beginning and 64.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.38 ms. Allocated memory is still 90.2 MB. Free memory was 64.2 MB in the beginning and 62.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1019.27 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 62.7 MB in the beginning and 78.0 MB in the end (delta: -15.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 16.1 GB. * CodeCheck took 4752.65 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 78.0 MB in the beginning and 85.7 MB in the end (delta: -7.7 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * Witness Printer took 88.06 ms. Allocated memory is still 136.3 MB. Free memory was 85.7 MB in the beginning and 82.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...