./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/scopes5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI --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 e5aa7fc476b23cf3c590ec0e83134b87eb137366becc080b05d62a7d4a14bb8b ............................................................................................................................................................................................................... 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 0.2.1-dev-b2eff8b [2021-10-29 03:28:39,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:28:39,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:28:39,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:28:39,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:28:39,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:28:39,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:28:39,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:28:39,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:28:39,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:28:39,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:28:39,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:28:39,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:28:39,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:28:39,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:28:39,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:28:39,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:28:39,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:28:39,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:28:39,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:28:39,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:28:39,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:28:39,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:28:39,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:28:39,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:28:39,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:28:39,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:28:39,840 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:28:39,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:28:39,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:28:39,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:28:39,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:28:39,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:28:39,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:28:39,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:28:39,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:28:39,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:28:39,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:28:39,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:28:39,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:28:39,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:28:39,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 03:28:39,880 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:28:39,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:28:39,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:28:39,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:28:39,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:28:39,882 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:28:39,883 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:28:39,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:28:39,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:28:39,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:28:39,883 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:28:39,884 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:28:39,884 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 03:28:39,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:28:39,884 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:28:39,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:28:39,885 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:28:39,885 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:28:39,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:28:39,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:39,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:28:39,886 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:28:39,886 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:28:39,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:28:39,887 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_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5aa7fc476b23cf3c590ec0e83134b87eb137366becc080b05d62a7d4a14bb8b [2021-10-29 03:28:40,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:28:40,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:28:40,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:28:40,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:28:40,173 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:28:40,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/memsafety-ext3/scopes5.c [2021-10-29 03:28:40,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/data/2ee92ba31/6bdfd835ed1040d3b48e315ad3dd171b/FLAG2a7d92744 [2021-10-29 03:28:40,744 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:28:40,745 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/sv-benchmarks/c/memsafety-ext3/scopes5.c [2021-10-29 03:28:40,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/data/2ee92ba31/6bdfd835ed1040d3b48e315ad3dd171b/FLAG2a7d92744 [2021-10-29 03:28:41,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/data/2ee92ba31/6bdfd835ed1040d3b48e315ad3dd171b [2021-10-29 03:28:41,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:28:41,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:28:41,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:41,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:28:41,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:28:41,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c218f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41, skipping insertion in model container [2021-10-29 03:28:41,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:28:41,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:28:41,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:41,347 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:28:41,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:28:41,380 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:28:41,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41 WrapperNode [2021-10-29 03:28:41,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:28:41,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:41,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:28:41,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:28:41,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:28:41,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:28:41,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:28:41,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:28:41,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:28:41,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:28:41,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:28:41,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:28:41,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:28:41,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:28:41,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:28:41,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:28:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:28:41,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:28:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:28:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:28:41,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:28:41,817 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:28:41,817 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:28:41,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:41 BoogieIcfgContainer [2021-10-29 03:28:41,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:28:41,832 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:28:41,832 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:28:41,856 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:28:41,857 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:41" (1/1) ... [2021-10-29 03:28:41,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:28:41,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:28:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2021-10-29 03:28:41,955 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-10-29 03:28:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 03:28:41,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:28:41,958 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:28:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:28:42,047 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:28:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:28:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:28:42,103 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:28:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:28:42,127 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-10-29 03:28:42,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:28:42 ImpRootNode [2021-10-29 03:28:42,146 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:28:42,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:28:42,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:28:42,150 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:28:42,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:28:41" (3/4) ... [2021-10-29 03:28:42,154 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:28:42,204 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:28:42,204 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:28:42,207 INFO L168 Benchmark]: Toolchain (without parser) took 1051.11 ms. Allocated memory is still 96.5 MB. Free memory was 64.5 MB in the beginning and 51.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:42,208 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory was 49.6 MB in the beginning and 49.5 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:42,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.95 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 74.1 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:42,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.56 ms. Allocated memory is still 96.5 MB. Free memory was 74.1 MB in the beginning and 72.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:42,210 INFO L168 Benchmark]: Boogie Preprocessor took 33.94 ms. Allocated memory is still 96.5 MB. Free memory was 72.7 MB in the beginning and 71.9 MB in the end (delta: 786.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:28:42,211 INFO L168 Benchmark]: RCFGBuilder took 371.13 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 62.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:42,212 INFO L168 Benchmark]: CodeCheck took 314.46 ms. Allocated memory is still 96.5 MB. Free memory was 62.6 MB in the beginning and 53.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:42,213 INFO L168 Benchmark]: Witness Printer took 54.73 ms. Allocated memory is still 96.5 MB. Free memory was 53.2 MB in the beginning and 51.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:28:42,221 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, 7 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 7]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L2] int* p; [L4] int a[10]; [L5] p = a [L7] p[0] = 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory was 49.6 MB in the beginning and 49.5 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 225.95 ms. Allocated memory is still 96.5 MB. Free memory was 64.4 MB in the beginning and 74.1 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.56 ms. Allocated memory is still 96.5 MB. Free memory was 74.1 MB in the beginning and 72.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.94 ms. Allocated memory is still 96.5 MB. Free memory was 72.7 MB in the beginning and 71.9 MB in the end (delta: 786.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 371.13 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 62.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 314.46 ms. Allocated memory is still 96.5 MB. Free memory was 62.6 MB in the beginning and 53.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 54.73 ms. Allocated memory is still 96.5 MB. Free memory was 53.2 MB in the beginning and 51.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 03:28:42,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6e74fe4-2362-44cf-b1ed-fd40e4b025c7/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...