./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-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_500c1fd2-5ad0-4970-b718-5f8cc204e35e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/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 0dfe0f165ef563fbd088ad0368faf44ddd32870a .............................................................................................................................................................................................................................. 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 [2019-12-01 13:21:07,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 13:21:07,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 13:21:07,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 13:21:07,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 13:21:07,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 13:21:07,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 13:21:07,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 13:21:07,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 13:21:07,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 13:21:07,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 13:21:07,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 13:21:07,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 13:21:07,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 13:21:07,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 13:21:07,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 13:21:07,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 13:21:07,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 13:21:07,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 13:21:07,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 13:21:07,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 13:21:07,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 13:21:07,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 13:21:07,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 13:21:07,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 13:21:07,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 13:21:07,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 13:21:07,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 13:21:07,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 13:21:07,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 13:21:07,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 13:21:07,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 13:21:07,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 13:21:07,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 13:21:07,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 13:21:07,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 13:21:07,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 13:21:07,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 13:21:07,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 13:21:07,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 13:21:07,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 13:21:07,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 13:21:07,783 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 13:21:07,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 13:21:07,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 13:21:07,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 13:21:07,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 13:21:07,785 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 13:21:07,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 13:21:07,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 13:21:07,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 13:21:07,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 13:21:07,786 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 13:21:07,786 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 13:21:07,786 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 13:21:07,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 13:21:07,786 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 13:21:07,786 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 13:21:07,787 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 13:21:07,787 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 13:21:07,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 13:21:07,787 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 13:21:07,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 13:21:07,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 13:21:07,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 13:21:07,788 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 13:21:07,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 13:21:07,788 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_500c1fd2-5ad0-4970-b718-5f8cc204e35e/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 -> 0dfe0f165ef563fbd088ad0368faf44ddd32870a [2019-12-01 13:21:07,885 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 13:21:07,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 13:21:07,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 13:21:07,896 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 13:21:07,896 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 13:21:07,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2019-12-01 13:21:07,933 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/bin/ukojak/data/c26d5fb2d/c6190971930e48318a409a481493dbc0/FLAG8a39c5cdf [2019-12-01 13:21:08,244 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 13:21:08,245 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2019-12-01 13:21:08,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/bin/ukojak/data/c26d5fb2d/c6190971930e48318a409a481493dbc0/FLAG8a39c5cdf [2019-12-01 13:21:08,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/bin/ukojak/data/c26d5fb2d/c6190971930e48318a409a481493dbc0 [2019-12-01 13:21:08,258 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 13:21:08,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 13:21:08,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 13:21:08,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 13:21:08,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 13:21:08,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d042b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08, skipping insertion in model container [2019-12-01 13:21:08,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 13:21:08,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 13:21:08,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:21:08,424 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 13:21:08,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:21:08,451 INFO L208 MainTranslator]: Completed translation [2019-12-01 13:21:08,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08 WrapperNode [2019-12-01 13:21:08,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 13:21:08,452 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 13:21:08,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 13:21:08,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 13:21:08,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 13:21:08,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 13:21:08,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 13:21:08,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 13:21:08,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 13:21:08,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 13:21:08,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 13:21:08,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 13:21:08,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:21:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/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 [2019-12-01 13:21:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 13:21:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 13:21:08,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 13:21:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 13:21:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 13:21:08,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 13:21:08,750 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 13:21:08,751 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-01 13:21:08,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:21:08 BoogieIcfgContainer [2019-12-01 13:21:08,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 13:21:08,752 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 13:21:08,752 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 13:21:08,759 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 13:21:08,759 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:21:08" (1/1) ... [2019-12-01 13:21:08,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 13:21:08,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:21:08,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2019-12-01 13:21:08,788 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-12-01 13:21:08,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 13:21:08,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:21:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:21:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:21:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:21:08,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2019-12-01 13:21:08,897 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-12-01 13:21:08,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 13:21:08,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:21:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:21:08,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:21:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:21:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2019-12-01 13:21:08,996 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-12-01 13:21:08,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 13:21:08,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:21:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:21:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:21:09,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:21:09,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2019-12-01 13:21:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2019-12-01 13:21:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 13:21:09,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:21:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 13:21:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 13:21:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 13:21:09,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 13:21:09,178 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-12-01 13:21:09,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 01:21:09 ImpRootNode [2019-12-01 13:21:09,194 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 13:21:09,194 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 13:21:09,194 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 13:21:09,195 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 13:21:09,195 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:21:08" (3/4) ... [2019-12-01 13:21:09,196 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 13:21:09,222 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_500c1fd2-5ad0-4970-b718-5f8cc204e35e/bin/ukojak/witness.graphml [2019-12-01 13:21:09,222 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 13:21:09,224 INFO L168 Benchmark]: Toolchain (without parser) took 964.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 945.1 MB in the beginning and 1.0 GB in the end (delta: -75.6 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2019-12-01 13:21:09,224 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:21:09,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-01 13:21:09,225 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.76 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. [2019-12-01 13:21:09,225 INFO L168 Benchmark]: Boogie Preprocessor took 17.23 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. [2019-12-01 13:21:09,226 INFO L168 Benchmark]: RCFGBuilder took 255.58 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-12-01 13:21:09,226 INFO L168 Benchmark]: CodeCheck took 442.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2019-12-01 13:21:09,226 INFO L168 Benchmark]: Witness Printer took 27.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:21:09,228 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, 19 locations, 8 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 40 SDtfs, 22 SDslu, 8 SDs, 0 SdLazy, 98 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 15]: array index can be out of bounds array index can be out of bounds We found a FailurePath: [L21] int i, b[100]; [L22] i = 0 [L22] COND TRUE i < 100 [L13] int a[n], i; [L14] i = 0 [L14] COND TRUE i < size [L15] a[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 961.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.76 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 17.23 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. * RCFGBuilder took 255.58 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: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * CodeCheck took 442.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * Witness Printer took 27.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...