./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c -s /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a6853fb9e064ccfef5e54a8bac94eb86beeed80f ...................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 02:10:55,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 02:10:55,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 02:10:55,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 02:10:55,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 02:10:55,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 02:10:55,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 02:10:55,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 02:10:55,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 02:10:55,546 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 02:10:55,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 02:10:55,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 02:10:55,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 02:10:55,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 02:10:55,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 02:10:55,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 02:10:55,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 02:10:55,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 02:10:55,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 02:10:55,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 02:10:55,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 02:10:55,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 02:10:55,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 02:10:55,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 02:10:55,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 02:10:55,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 02:10:55,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 02:10:55,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 02:10:55,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 02:10:55,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 02:10:55,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 02:10:55,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 02:10:55,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 02:10:55,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 02:10:55,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 02:10:55,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 02:10:55,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 02:10:55,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 02:10:55,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 02:10:55,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 02:10:55,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 02:10:55,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-02 02:10:55,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 02:10:55,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 02:10:55,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 02:10:55,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 02:10:55,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 02:10:55,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 02:10:55,576 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-02 02:10:55,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 02:10:55,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 02:10:55,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 02:10:55,576 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-02 02:10:55,576 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-02 02:10:55,576 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-02 02:10:55,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 02:10:55,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 02:10:55,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 02:10:55,577 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 02:10:55,577 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 02:10:55,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 02:10:55,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 02:10:55,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 02:10:55,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 02:10:55,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 02:10:55,578 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 02:10:55,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 02:10:55,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> a6853fb9e064ccfef5e54a8bac94eb86beeed80f [2019-12-02 02:10:55,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 02:10:55,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 02:10:55,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 02:10:55,706 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 02:10:55,706 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 02:10:55,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2019-12-02 02:10:55,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak/data/f9b8438a4/10f9842c72a84da0bb29279ee4e7719e/FLAGc174dbc76 [2019-12-02 02:10:56,193 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 02:10:56,194 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2019-12-02 02:10:56,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak/data/f9b8438a4/10f9842c72a84da0bb29279ee4e7719e/FLAGc174dbc76 [2019-12-02 02:10:56,206 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak/data/f9b8438a4/10f9842c72a84da0bb29279ee4e7719e [2019-12-02 02:10:56,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 02:10:56,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 02:10:56,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 02:10:56,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 02:10:56,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 02:10:56,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ffc5a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56, skipping insertion in model container [2019-12-02 02:10:56,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 02:10:56,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 02:10:56,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 02:10:56,372 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 02:10:56,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 02:10:56,395 INFO L208 MainTranslator]: Completed translation [2019-12-02 02:10:56,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56 WrapperNode [2019-12-02 02:10:56,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 02:10:56,396 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 02:10:56,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 02:10:56,396 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 02:10:56,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 02:10:56,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 02:10:56,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 02:10:56,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 02:10:56,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 02:10:56,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 02:10:56,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 02:10:56,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 02:10:56,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:10:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/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 [2019-12-02 02:10:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-02 02:10:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 02:10:56,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 02:10:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-02 02:10:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 02:10:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-02 02:10:56,757 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 02:10:56,757 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-02 02:10:56,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:56 BoogieIcfgContainer [2019-12-02 02:10:56,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 02:10:56,759 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 02:10:56,759 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 02:10:56,766 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 02:10:56,766 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:56" (1/1) ... [2019-12-02 02:10:56,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 02:10:56,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:10:56,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2019-12-02 02:10:56,798 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2019-12-02 02:10:56,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 02:10:56,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:10:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:10:56,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:10:56,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:10:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2019-12-02 02:10:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2019-12-02 02:10:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 02:10:56,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:10:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:10:56,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:10:57,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:10:57,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2019-12-02 02:10:57,030 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2019-12-02 02:10:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 02:10:57,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:10:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:10:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:10:57,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:10:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2019-12-02 02:10:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2019-12-02 02:10:57,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 02:10:57,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:10:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 02:10:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 02:10:57,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 02:10:57,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2019-12-02 02:10:57,444 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2019-12-02 02:10:57,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 02:10:57,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 02:10:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 02:10:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 02:10:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 02:10:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 02:10:57,504 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2019-12-02 02:10:57,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:10:57 ImpRootNode [2019-12-02 02:10:57,527 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 02:10:57,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 02:10:57,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 02:10:57,528 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 02:10:57,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:10:56" (3/4) ... [2019-12-02 02:10:57,530 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-02 02:10:57,560 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_877da6b4-6f63-4ba1-aeca-9a8a717a74bc/bin/ukojak/witness.graphml [2019-12-02 02:10:57,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 02:10:57,562 INFO L168 Benchmark]: Toolchain (without parser) took 1351.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 939.4 MB in the beginning and 932.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 104.2 MB. Max. memory is 11.5 GB. [2019-12-02 02:10:57,562 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 02:10:57,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-12-02 02:10:57,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 02:10:57,564 INFO L168 Benchmark]: Boogie Preprocessor took 17.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 02:10:57,564 INFO L168 Benchmark]: RCFGBuilder took 320.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-12-02 02:10:57,565 INFO L168 Benchmark]: CodeCheck took 768.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 932.2 MB in the end (delta: 121.7 MB). Peak memory consumption was 121.7 MB. Max. memory is 11.5 GB. [2019-12-02 02:10:57,565 INFO L168 Benchmark]: Witness Printer took 32.25 ms. Allocated memory is still 1.1 GB. Free memory is still 932.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 02:10:57,569 INFO L335 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, 24 locations, 11 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 34 SDslu, 16 SDs, 0 SdLazy, 290 SolverSat, 92 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 23]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L32] int i, b[100]; [L33] i = 0 [L33] COND TRUE i < 100 [L21] int a[n], i; [L22] i = 0 [L22] COND TRUE i < size [L23] EXPR b[i] [L23] a[i] = b[i] * 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 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 320.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * CodeCheck took 768.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 932.2 MB in the end (delta: 121.7 MB). Peak memory consumption was 121.7 MB. Max. memory is 11.5 GB. * Witness Printer took 32.25 ms. Allocated memory is still 1.1 GB. Free memory is still 932.2 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...