./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_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/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 [2020-11-28 04:38:12,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:38:12,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:38:12,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:38:12,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:38:12,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:38:12,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:38:12,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:38:12,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:38:12,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:38:12,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:38:12,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:38:12,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:38:12,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:38:12,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:38:12,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:38:12,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:38:12,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:38:12,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:38:12,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:38:12,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:38:12,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:38:12,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:38:12,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:38:12,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:38:12,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:38:12,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:38:12,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:38:12,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:38:12,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:38:12,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:38:12,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:38:12,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:38:12,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:38:12,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:38:12,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:38:12,933 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:38:12,933 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:38:12,934 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:38:12,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:38:12,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:38:12,937 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:38:12,958 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:38:12,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:38:12,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:38:12,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:38:12,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:38:12,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:38:12,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:38:12,961 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:38:12,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:38:12,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:38:12,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:38:12,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:38:12,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:38:12,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:38:12,963 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:38:12,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:38:12,964 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:38:12,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:38:12,964 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:38:12,965 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:38:12,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:38:12,965 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:38:12,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:38:12,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:38:12,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:38:12,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:38:12,966 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:38:12,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:38:12,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:38:12,967 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_a57db5fd-d52b-452d-bd14-76c2142af3c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8770e865452d763f6a1ae70a92c5caf41552c1e5 [2020-11-28 04:38:13,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:38:13,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:38:13,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:38:13,265 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:38:13,268 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:38:13,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak/../../sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2020-11-28 04:38:13,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak/data/22b256f63/a46278cee8694e04840446dc6844b1e2/FLAGb15f4ce63 [2020-11-28 04:38:13,814 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:38:13,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/sv-benchmarks/c/loops/verisec_OpenSER_cases1_stripFullBoth_arr.i [2020-11-28 04:38:13,830 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak/data/22b256f63/a46278cee8694e04840446dc6844b1e2/FLAGb15f4ce63 [2020-11-28 04:38:14,165 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak/data/22b256f63/a46278cee8694e04840446dc6844b1e2 [2020-11-28 04:38:14,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:38:14,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:38:14,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:14,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:38:14,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:38:14,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:14" (1/1) ... [2020-11-28 04:38:14,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62204ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14, skipping insertion in model container [2020-11-28 04:38:14,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:14" (1/1) ... [2020-11-28 04:38:14,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:38:14,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:38:14,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:14,517 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:38:14,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:14,580 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:38:14,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14 WrapperNode [2020-11-28 04:38:14,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:14,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:14,583 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:38:14,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:38:14,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14" (1/1) ... [2020-11-28 04:38:14,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14" (1/1) ... [2020-11-28 04:38:14,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:14,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:38:14,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:38:14,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:38:14,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14" (1/1) ... [2020-11-28 04:38:14,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14" (1/1) ... [2020-11-28 04:38:14,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14" (1/1) ... [2020-11-28 04:38:14,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14" (1/1) ... [2020-11-28 04:38:14,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14" (1/1) ... [2020-11-28 04:38:14,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14" (1/1) ... [2020-11-28 04:38:14,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14" (1/1) ... [2020-11-28 04:38:14,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:38:14,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:38:14,655 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:38:14,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:38:14,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/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 [2020-11-28 04:38:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:38:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:38:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:38:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:38:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-11-28 04:38:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:38:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:38:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:38:15,355 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:38:15,355 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-28 04:38:15,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:15 BoogieIcfgContainer [2020-11-28 04:38:15,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:38:15,358 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:38:15,358 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:38:15,371 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:38:15,372 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:15" (1/1) ... [2020-11-28 04:38:15,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:38:15,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2020-11-28 04:38:15,441 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2020-11-28 04:38:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:38:15,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:15,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2020-11-28 04:38:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2020-11-28 04:38:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:38:15,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2020-11-28 04:38:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2020-11-28 04:38:16,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:38:16,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:16,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:16,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2020-11-28 04:38:16,538 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2020-11-28 04:38:16,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:38:16,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:17,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2020-11-28 04:38:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2020-11-28 04:38:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:38:17,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:38:18,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:18,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 53 states and 91 transitions. [2020-11-28 04:38:18,801 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 91 transitions. [2020-11-28 04:38:18,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:38:18,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:18,829 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:18,853 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:18,917 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:18,948 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:19,009 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2020-11-28 04:38:19,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:38:19 ImpRootNode [2020-11-28 04:38:19,070 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:38:19,079 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:38:19,079 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:38:19,080 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:38:19,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:15" (3/4) ... [2020-11-28 04:38:19,082 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:38:19,174 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a57db5fd-d52b-452d-bd14-76c2142af3c8/bin/ukojak/witness.graphml [2020-11-28 04:38:19,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:38:19,176 INFO L168 Benchmark]: Toolchain (without parser) took 5004.19 ms. Allocated memory was 83.9 MB in the beginning and 125.8 MB in the end (delta: 41.9 MB). Free memory was 47.4 MB in the beginning and 48.0 MB in the end (delta: -616.1 kB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:19,176 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 83.9 MB. Free memory was 64.2 MB in the beginning and 64.2 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:19,177 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.55 ms. Allocated memory is still 83.9 MB. Free memory was 47.2 MB in the beginning and 58.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:19,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.43 ms. Allocated memory is still 83.9 MB. Free memory was 58.8 MB in the beginning and 57.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:19,178 INFO L168 Benchmark]: Boogie Preprocessor took 29.04 ms. Allocated memory is still 83.9 MB. Free memory was 57.1 MB in the beginning and 55.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:19,179 INFO L168 Benchmark]: RCFGBuilder took 702.22 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 55.4 MB in the beginning and 62.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:19,180 INFO L168 Benchmark]: CodeCheck took 3712.23 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 62.5 MB in the beginning and 51.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:19,180 INFO L168 Benchmark]: Witness Printer took 94.62 ms. Allocated memory is still 125.8 MB. Free memory was 51.1 MB in the beginning and 48.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:19,184 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: 3.5s, 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, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 700 GetRequests, 616 SyntacticMatches, 24 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1181 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s 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 0.17 ms. Allocated memory is still 83.9 MB. Free memory was 64.2 MB in the beginning and 64.2 MB in the end (delta: 42.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 409.55 ms. Allocated memory is still 83.9 MB. Free memory was 47.2 MB in the beginning and 58.8 MB in the end (delta: -11.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.43 ms. Allocated memory is still 83.9 MB. Free memory was 58.8 MB in the beginning and 57.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.04 ms. Allocated memory is still 83.9 MB. Free memory was 57.1 MB in the beginning and 55.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 702.22 ms. Allocated memory was 83.9 MB in the beginning and 104.9 MB in the end (delta: 21.0 MB). Free memory was 55.4 MB in the beginning and 62.5 MB in the end (delta: -7.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * CodeCheck took 3712.23 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 62.5 MB in the beginning and 51.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * Witness Printer took 94.62 ms. Allocated memory is still 125.8 MB. Free memory was 51.1 MB in the beginning and 48.0 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...