./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/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 0.2.0-69874e2 [2020-12-01 16:17:08,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:17:08,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:17:08,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:17:08,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:17:08,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:17:08,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:17:08,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:17:08,733 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:17:08,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:17:08,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:17:08,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:17:08,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:17:08,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:17:08,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:17:08,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:17:08,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:17:08,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:17:08,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:17:08,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:17:08,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:17:08,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:17:08,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:17:08,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:17:08,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:17:08,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:17:08,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:17:08,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:17:08,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:17:08,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:17:08,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:17:08,793 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:17:08,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:17:08,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:17:08,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:17:08,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:17:08,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:17:08,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:17:08,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:17:08,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:17:08,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:17:08,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 16:17:08,845 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:17:08,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:17:08,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:17:08,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:17:08,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:17:08,848 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:17:08,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:17:08,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:17:08,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:17:08,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:17:08,850 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 16:17:08,850 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 16:17:08,851 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 16:17:08,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:17:08,851 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:17:08,851 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:17:08,852 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:17:08,852 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:17:08,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:17:08,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:17:08,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:17:08,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:17:08,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:17:08,853 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:17:08,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:17:08,854 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_013adf1a-764a-441d-b320-2842de2cafcf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0dfe0f165ef563fbd088ad0368faf44ddd32870a [2020-12-01 16:17:09,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:17:09,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:17:09,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:17:09,174 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:17:09,175 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:17:09,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2020-12-01 16:17:09,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak/data/b82bf23d2/35b82d52d9d24ed09a4baad6fa2ca5e3/FLAGe6ca89af7 [2020-12-01 16:17:09,778 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:17:09,779 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2020-12-01 16:17:09,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak/data/b82bf23d2/35b82d52d9d24ed09a4baad6fa2ca5e3/FLAGe6ca89af7 [2020-12-01 16:17:10,270 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak/data/b82bf23d2/35b82d52d9d24ed09a4baad6fa2ca5e3 [2020-12-01 16:17:10,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:17:10,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:17:10,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:17:10,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:17:10,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:17:10,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cef4859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10, skipping insertion in model container [2020-12-01 16:17:10,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:17:10,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:17:10,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:17:10,512 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:17:10,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:17:10,575 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:17:10,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10 WrapperNode [2020-12-01 16:17:10,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:17:10,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:17:10,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:17:10,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:17:10,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:17:10,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:17:10,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:17:10,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:17:10,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... [2020-12-01 16:17:10,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:17:10,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:17:10,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:17:10,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:17:10,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/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 [2020-12-01 16:17:10,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:17:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:17:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:17:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:17:10,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:17:10,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:17:11,137 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:17:11,137 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:17:11,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:11 BoogieIcfgContainer [2020-12-01 16:17:11,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:17:11,141 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:17:11,141 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:17:11,152 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:17:11,152 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:11" (1/1) ... [2020-12-01 16:17:11,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:17:11,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:11,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2020-12-01 16:17:11,204 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2020-12-01 16:17:11,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:17:11,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:11,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:17:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2020-12-01 16:17:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2020-12-01 16:17:11,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:17:11,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:17:11,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:11,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2020-12-01 16:17:11,684 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2020-12-01 16:17:11,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:17:11,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:17:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:17:11,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:17:11,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2020-12-01 16:17:11,949 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2020-12-01 16:17:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:17:11,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:17:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:11,985 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:12,007 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:12,056 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:17:12,080 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:17:12,105 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-12-01 16:17:12,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:17:12 ImpRootNode [2020-12-01 16:17:12,128 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:17:12,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:17:12,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:17:12,129 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:17:12,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:11" (3/4) ... [2020-12-01 16:17:12,133 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:17:12,197 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_013adf1a-764a-441d-b320-2842de2cafcf/bin/ukojak/witness.graphml [2020-12-01 16:17:12,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:17:12,200 INFO L168 Benchmark]: Toolchain (without parser) took 1918.13 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 71.2 MB in the beginning and 53.2 MB in the end (delta: 18.0 MB). Peak memory consumption was 40.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,203 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 92.3 MB. Free memory was 56.1 MB in the beginning and 56.1 MB in the end (delta: 61.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:17:12,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.77 ms. Allocated memory is still 92.3 MB. Free memory was 70.9 MB in the beginning and 69.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.09 ms. Allocated memory is still 92.3 MB. Free memory was 69.5 MB in the beginning and 68.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,210 INFO L168 Benchmark]: Boogie Preprocessor took 46.12 ms. Allocated memory is still 92.3 MB. Free memory was 68.1 MB in the beginning and 66.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:17:12,210 INFO L168 Benchmark]: RCFGBuilder took 467.88 ms. Allocated memory is still 92.3 MB. Free memory was 66.8 MB in the beginning and 45.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,211 INFO L168 Benchmark]: CodeCheck took 986.93 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 45.4 MB in the beginning and 54.6 MB in the end (delta: -9.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,212 INFO L168 Benchmark]: Witness Printer took 68.17 ms. Allocated memory is still 113.2 MB. Free memory was 54.6 MB in the beginning and 53.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:17:12,221 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, 19 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 40 SDtfs, 22 SDslu, 8 SDs, 0 SdLazy, 98 SolverSat, 28 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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 0.29 ms. Allocated memory is still 92.3 MB. Free memory was 56.1 MB in the beginning and 56.1 MB in the end (delta: 61.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 293.77 ms. Allocated memory is still 92.3 MB. Free memory was 70.9 MB in the beginning and 69.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.09 ms. Allocated memory is still 92.3 MB. Free memory was 69.5 MB in the beginning and 68.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.12 ms. Allocated memory is still 92.3 MB. Free memory was 68.1 MB in the beginning and 66.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 467.88 ms. Allocated memory is still 92.3 MB. Free memory was 66.8 MB in the beginning and 45.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * CodeCheck took 986.93 ms. Allocated memory was 92.3 MB in the beginning and 113.2 MB in the end (delta: 21.0 MB). Free memory was 45.4 MB in the beginning and 54.6 MB in the end (delta: -9.1 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * Witness Printer took 68.17 ms. Allocated memory is still 113.2 MB. Free memory was 54.6 MB in the beginning and 53.2 MB in the end (delta: 1.4 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...