./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memset2_-write.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset2_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ --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 d4fc71baff335ff14a7aa80c850361218ce54d94877a63cc32d89565d13dae1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:01:54,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:01:54,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:01:54,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:01:54,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:01:54,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:01:54,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:01:54,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:01:54,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:01:54,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:01:54,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:01:54,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:01:54,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:01:54,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:01:54,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:01:54,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:01:54,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:01:54,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:01:54,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:01:54,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:01:54,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:01:54,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:01:54,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:01:54,662 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:01:54,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:01:54,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:01:54,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:01:54,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:01:54,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:01:54,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:01:54,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:01:54,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:01:54,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:01:54,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:01:54,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:01:54,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:01:54,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:01:54,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:01:54,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:01:54,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:01:54,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:01:54,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:01:54,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:01:54,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:01:54,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:01:54,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:01:54,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:01:54,733 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:01:54,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:01:54,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:01:54,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:01:54,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:01:54,735 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:01:54,735 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:01:54,736 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:01:54,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:01:54,736 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:01:54,736 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:01:54,737 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:01:54,737 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:01:54,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:01:54,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:54,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:01:54,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:01:54,738 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:01:54,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:01:54,739 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_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4fc71baff335ff14a7aa80c850361218ce54d94877a63cc32d89565d13dae1a [2021-11-23 01:01:54,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:01:54,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:01:54,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:01:54,995 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:01:54,996 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:01:54,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-memsafety/memset2_-write.c [2021-11-23 01:01:55,069 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/data/df518a8d5/6fc2345dad16466fa083e9866011d85e/FLAG2df2d1b0a [2021-11-23 01:01:55,564 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:01:55,565 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/sv-benchmarks/c/ldv-memsafety/memset2_-write.c [2021-11-23 01:01:55,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/data/df518a8d5/6fc2345dad16466fa083e9866011d85e/FLAG2df2d1b0a [2021-11-23 01:01:55,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/data/df518a8d5/6fc2345dad16466fa083e9866011d85e [2021-11-23 01:01:55,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:01:55,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:01:55,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:55,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:01:55,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:01:55,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:55" (1/1) ... [2021-11-23 01:01:55,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7357a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:55, skipping insertion in model container [2021-11-23 01:01:55,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:55" (1/1) ... [2021-11-23 01:01:55,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:01:55,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:01:56,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:56,074 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:01:56,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:56,103 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:01:56,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:56 WrapperNode [2021-11-23 01:01:56,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:56,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:56,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:01:56,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:01:56,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:56" (1/1) ... [2021-11-23 01:01:56,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:56" (1/1) ... [2021-11-23 01:01:56,137 INFO L137 Inliner]: procedures = 7, calls = 6, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 17 [2021-11-23 01:01:56,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:56,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:01:56,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:01:56,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:01:56,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:56" (1/1) ... [2021-11-23 01:01:56,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:56" (1/1) ... [2021-11-23 01:01:56,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:56" (1/1) ... [2021-11-23 01:01:56,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:56" (1/1) ... [2021-11-23 01:01:56,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:56" (1/1) ... [2021-11-23 01:01:56,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:56" (1/1) ... [2021-11-23 01:01:56,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:56" (1/1) ... [2021-11-23 01:01:56,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:01:56,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:01:56,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:01:56,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:01:56,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:56" (1/1) ... [2021-11-23 01:01:56,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:56,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:01:56,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:01:56,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:01:56,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:01:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:01:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:01:56,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:01:56,305 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:01:56,307 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:01:56,399 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:01:56,414 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:01:56,414 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:01:56,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:01:56 BoogieIcfgContainer [2021-11-23 01:01:56,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:01:56,418 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:01:56,418 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:01:56,428 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:01:56,428 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:01:56" (1/1) ... [2021-11-23 01:01:56,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:01:56,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-11-23 01:01:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-11-23 01:01:56,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-23 01:01:56,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:56,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:01:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:01:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:01:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-11-23 01:01:56,706 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-11-23 01:01:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:01:56,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:01:56,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:01:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:01:56,725 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:01:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:01:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:01:56,767 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:01:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:01:56,781 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-11-23 01:01:56,797 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,798 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,798 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,799 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,799 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,799 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:01:56 ImpRootNode [2021-11-23 01:01:56,805 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:01:56,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:01:56,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:01:56,806 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:01:56,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:01:56" (3/4) ... [2021-11-23 01:01:56,808 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:01:56,809 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,809 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,809 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,809 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,810 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,810 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-23 01:01:56,839 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:01:56,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:01:56,841 INFO L158 Benchmark]: Toolchain (without parser) took 927.51ms. Allocated memory is still 109.1MB. Free memory was 83.9MB in the beginning and 46.5MB in the end (delta: 37.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 01:01:56,842 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 81.8MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:01:56,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.02ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 74.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:01:56,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.17ms. Allocated memory is still 109.1MB. Free memory was 74.9MB in the beginning and 73.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:01:56,844 INFO L158 Benchmark]: Boogie Preprocessor took 20.40ms. Allocated memory is still 109.1MB. Free memory was 73.4MB in the beginning and 72.5MB in the end (delta: 953.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:01:56,845 INFO L158 Benchmark]: RCFGBuilder took 257.67ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 63.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:01:56,846 INFO L158 Benchmark]: CodeCheck took 386.92ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 48.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 01:01:56,847 INFO L158 Benchmark]: Witness Printer took 34.56ms. Allocated memory is still 109.1MB. Free memory was 48.3MB in the beginning and 46.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:01:56,853 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, 9 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L21] struct compstat cstats ; [L22] CALL memset((void *)(& cstats), 0, 41UL) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 81.8MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.02ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 74.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.17ms. Allocated memory is still 109.1MB. Free memory was 74.9MB in the beginning and 73.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.40ms. Allocated memory is still 109.1MB. Free memory was 73.4MB in the beginning and 72.5MB in the end (delta: 953.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 257.67ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 63.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 386.92ms. Allocated memory is still 109.1MB. Free memory was 63.1MB in the beginning and 48.3MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 34.56ms. Allocated memory is still 109.1MB. Free memory was 48.3MB in the beginning and 46.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled RESULT: Ultimate proved your program to be incorrect! [2021-11-23 01:01:56,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2c541c5-ce3b-44ab-9f45-1c6646082b68/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)