./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/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_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memset2_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/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_1ad12905-8f8e-4d90-b7b3-319cd5fda253/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 d4fc71baff335ff14a7aa80c850361218ce54d94877a63cc32d89565d13dae1a ........................................................................................................................................................................................................................................................ 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 04:16:21,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:16:21,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:16:21,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:16:21,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:16:21,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:16:21,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:16:21,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:16:21,807 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:16:21,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:16:21,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:16:21,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:16:21,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:16:21,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:16:21,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:16:21,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:16:21,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:16:21,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:16:21,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:16:21,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:16:21,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:16:21,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:16:21,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:16:21,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:16:21,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:16:21,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:16:21,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:16:21,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:16:21,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:16:21,834 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:16:21,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:16:21,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:16:21,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:16:21,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:16:21,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:16:21,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:16:21,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:16:21,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:16:21,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:16:21,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:16:21,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:16:21,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 04:16:21,866 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:16:21,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:16:21,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:16:21,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:16:21,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:16:21,868 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:16:21,868 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:16:21,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:16:21,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:16:21,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:16:21,869 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:16:21,869 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:16:21,869 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:16:21,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:16:21,870 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:16:21,870 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:16:21,870 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:16:21,871 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:16:21,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:16:21,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:16:21,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:16:21,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:16:21,872 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:16:21,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:16:21,872 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_1ad12905-8f8e-4d90-b7b3-319cd5fda253/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4fc71baff335ff14a7aa80c850361218ce54d94877a63cc32d89565d13dae1a [2021-10-29 04:16:22,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:16:22,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:16:22,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:16:22,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:16:22,153 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:16:22,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/ldv-memsafety/memset2_-write.c [2021-10-29 04:16:22,256 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/data/336213baf/a478b8c1a43c4fb0a5ff3d7cfe19f0a5/FLAG9a43c52bf [2021-10-29 04:16:22,682 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:16:22,683 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/sv-benchmarks/c/ldv-memsafety/memset2_-write.c [2021-10-29 04:16:22,688 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/data/336213baf/a478b8c1a43c4fb0a5ff3d7cfe19f0a5/FLAG9a43c52bf [2021-10-29 04:16:23,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/data/336213baf/a478b8c1a43c4fb0a5ff3d7cfe19f0a5 [2021-10-29 04:16:23,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:16:23,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:16:23,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:16:23,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:16:23,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:16:23,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47cbf104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23, skipping insertion in model container [2021-10-29 04:16:23,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:16:23,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:16:23,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:16:23,276 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:16:23,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:16:23,299 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:16:23,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23 WrapperNode [2021-10-29 04:16:23,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:16:23,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:16:23,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:16:23,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:16:23,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:16:23,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:16:23,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:16:23,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:16:23,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:16:23,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:16:23,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:16:23,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:16:23,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:16:23,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:16:23,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:16:23,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:16:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:16:23,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:16:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:16:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:16:23,703 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:16:23,703 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 04:16:23,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:16:23 BoogieIcfgContainer [2021-10-29 04:16:23,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:16:23,708 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:16:23,708 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:16:23,718 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:16:23,718 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:16:23" (1/1) ... [2021-10-29 04:16:23,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:16:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:23,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2021-10-29 04:16:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2021-10-29 04:16:23,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:16:23,756 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:23,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:16:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:16:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:16:23,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2021-10-29 04:16:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2021-10-29 04:16:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:16:23,910 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:16:23,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:16:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:16:23,925 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:16:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:16:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:16:23,992 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:16:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:16:24,033 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2021-10-29 04:16:24,063 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,064 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,065 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,065 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,065 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,066 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:16:24 ImpRootNode [2021-10-29 04:16:24,071 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:16:24,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:16:24,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:16:24,073 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:16:24,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:16:23" (3/4) ... [2021-10-29 04:16:24,075 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:16:24,091 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,092 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,092 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,093 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,093 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,093 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled [2021-10-29 04:16:24,140 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:16:24,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:16:24,143 INFO L168 Benchmark]: Toolchain (without parser) took 1054.77 ms. Allocated memory is still 111.1 MB. Free memory was 76.1 MB in the beginning and 60.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:24,144 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 111.1 MB. Free memory was 85.5 MB in the beginning and 85.5 MB in the end (delta: 27.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:16:24,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.43 ms. Allocated memory is still 111.1 MB. Free memory was 75.9 MB in the beginning and 87.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:24,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.53 ms. Allocated memory is still 111.1 MB. Free memory was 87.1 MB in the beginning and 86.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:16:24,148 INFO L168 Benchmark]: Boogie Preprocessor took 19.49 ms. Allocated memory is still 111.1 MB. Free memory was 86.1 MB in the beginning and 85.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:24,149 INFO L168 Benchmark]: RCFGBuilder took 354.32 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 75.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:24,150 INFO L168 Benchmark]: CodeCheck took 363.78 ms. Allocated memory is still 111.1 MB. Free memory was 74.9 MB in the beginning and 61.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:24,152 INFO L168 Benchmark]: Witness Printer took 68.26 ms. Allocated memory is still 111.1 MB. Free memory was 61.9 MB in the beginning and 60.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:16:24,159 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 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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, 0.0s 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 ; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 111.1 MB. Free memory was 85.5 MB in the beginning and 85.5 MB in the end (delta: 27.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 211.43 ms. Allocated memory is still 111.1 MB. Free memory was 75.9 MB in the beginning and 87.6 MB in the end (delta: -11.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.53 ms. Allocated memory is still 111.1 MB. Free memory was 87.1 MB in the beginning and 86.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.49 ms. Allocated memory is still 111.1 MB. Free memory was 86.1 MB in the beginning and 85.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 354.32 ms. Allocated memory is still 111.1 MB. Free memory was 85.0 MB in the beginning and 75.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 363.78 ms. Allocated memory is still 111.1 MB. Free memory was 74.9 MB in the beginning and 61.9 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 68.26 ms. Allocated memory is still 111.1 MB. Free memory was 61.9 MB in the beginning and 60.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr : $Pointer$ not handled RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:16:24,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ad12905-8f8e-4d90-b7b3-319cd5fda253/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...