./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/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 0.1.24-cad4683 [2019-10-22 10:13:11,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:13:11,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:12,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:12,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:12,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:12,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:12,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:12,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:12,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:12,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:12,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:12,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:12,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:12,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:12,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:12,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:12,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:12,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:12,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:12,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:12,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:12,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:12,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:12,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:12,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:12,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:12,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:12,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:12,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:12,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:12,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:12,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:12,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:12,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:12,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:12,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:12,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:12,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:12,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:12,047 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:12,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:13:12,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:12,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:12,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:12,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:12,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:12,058 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:13:12,058 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:13:12,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:12,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:13:12,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:12,059 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:13:12,059 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:13:12,059 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:13:12,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:12,060 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:13:12,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:12,060 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:12,060 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:12,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:12,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:12,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:12,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:12,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:12,061 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:12,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:12,061 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/working_dir_a0175997-7221-4832-a319-5030001e61c0/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 [2019-10-22 10:13:12,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:12,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:12,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:12,109 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:12,109 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:12,110 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2019-10-22 10:13:12,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/bin/ukojak/data/b3d618a28/c5f5c22e6f9a45b6af9cb1c477bf0981/FLAGdad3057e9 [2019-10-22 10:13:12,537 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:12,537 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength_-write.c [2019-10-22 10:13:12,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/bin/ukojak/data/b3d618a28/c5f5c22e6f9a45b6af9cb1c477bf0981/FLAGdad3057e9 [2019-10-22 10:13:12,551 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/bin/ukojak/data/b3d618a28/c5f5c22e6f9a45b6af9cb1c477bf0981 [2019-10-22 10:13:12,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:12,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:12,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:12,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:12,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:12,560 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:12" (1/1) ... [2019-10-22 10:13:12,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c06bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12, skipping insertion in model container [2019-10-22 10:13:12,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:12" (1/1) ... [2019-10-22 10:13:12,573 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:12,586 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:13:12,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:12,723 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:13:12,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:12,820 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:13:12,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12 WrapperNode [2019-10-22 10:13:12,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:12,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:12,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:13:12,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:13:12,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12" (1/1) ... [2019-10-22 10:13:12,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12" (1/1) ... [2019-10-22 10:13:12,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:12,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:13:12,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:13:12,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:13:12,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12" (1/1) ... [2019-10-22 10:13:12,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12" (1/1) ... [2019-10-22 10:13:12,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12" (1/1) ... [2019-10-22 10:13:12,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12" (1/1) ... [2019-10-22 10:13:12,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12" (1/1) ... [2019-10-22 10:13:12,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12" (1/1) ... [2019-10-22 10:13:12,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12" (1/1) ... [2019-10-22 10:13:12,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:13:12,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:13:12,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:13:12,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:13:12,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/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 [2019-10-22 10:13:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:13:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:13:12,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:13:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:13:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:13:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:13:13,304 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:13:13,305 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 10:13:13,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:13 BoogieIcfgContainer [2019-10-22 10:13:13,306 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:13:13,306 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:13:13,306 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:13:13,316 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:13:13,317 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:13" (1/1) ... [2019-10-22 10:13:13,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:13:13,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:13,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2019-10-22 10:13:13,360 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2019-10-22 10:13:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:13:13,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:13,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:13,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:13,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2019-10-22 10:13:13,540 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2019-10-22 10:13:13,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:13:13,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:13,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:13,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2019-10-22 10:13:13,686 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-10-22 10:13:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:13:13,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:13,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2019-10-22 10:13:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2019-10-22 10:13:13,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:13:13,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:13,923 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-10-22 10:13:13,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:13:13 ImpRootNode [2019-10-22 10:13:13,943 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:13:13,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:13:13,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:13:13,944 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:13:13,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:13" (3/4) ... [2019-10-22 10:13:13,948 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:13:13,979 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a0175997-7221-4832-a319-5030001e61c0/bin/ukojak/witness.graphml [2019-10-22 10:13:13,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:13:13,981 INFO L168 Benchmark]: Toolchain (without parser) took 1426.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -97.9 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:13,982 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:13,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:13,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:13,983 INFO L168 Benchmark]: Boogie Preprocessor took 39.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:13,984 INFO L168 Benchmark]: RCFGBuilder took 409.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:13,984 INFO L168 Benchmark]: CodeCheck took 637.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:13,985 INFO L168 Benchmark]: Witness Printer took 35.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:13,987 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: 0.5s, 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, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 1 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -183.7 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 409.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * CodeCheck took 637.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. * Witness Printer took 35.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...