./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/scopes1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/scopes1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB --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 5006077e10b123684af5816f85c68609f620d4e536300995b347b7a57b1efc6a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:35:57,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:57,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:57,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:57,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:57,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:57,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:57,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:57,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:57,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:57,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:57,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:57,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:57,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:57,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:57,797 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:57,798 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:57,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:57,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:57,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:57,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:57,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:57,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:57,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:57,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:57,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:57,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:57,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:57,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:57,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:57,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:57,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:57,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:57,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:57,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:57,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:57,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:57,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:57,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:57,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:57,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:57,843 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:35:57,891 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:57,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:57,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:57,894 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:57,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:57,895 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:35:57,895 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:35:57,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:57,895 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:35:57,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:57,897 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:35:57,897 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:35:57,897 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:35:57,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:57,898 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:35:57,898 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:57,898 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:57,899 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:57,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:57,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:57,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:57,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:57,900 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:57,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:57,901 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_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5006077e10b123684af5816f85c68609f620d4e536300995b347b7a57b1efc6a [2022-10-17 16:35:58,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:58,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:58,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:58,204 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:58,205 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:58,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety-ext3/scopes1.c [2022-10-17 16:35:58,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/data/f3d4f0f56/1c83320362a24fa48d9d91129986ae15/FLAG660f47cd2 [2022-10-17 16:35:58,875 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:35:58,876 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/sv-benchmarks/c/memsafety-ext3/scopes1.c [2022-10-17 16:35:58,883 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/data/f3d4f0f56/1c83320362a24fa48d9d91129986ae15/FLAG660f47cd2 [2022-10-17 16:35:59,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/data/f3d4f0f56/1c83320362a24fa48d9d91129986ae15 [2022-10-17 16:35:59,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:35:59,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:35:59,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:59,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:35:59,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:35:59,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65f8b965 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59, skipping insertion in model container [2022-10-17 16:35:59,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:35:59,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:35:59,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:59,507 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:35:59,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:59,543 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:35:59,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59 WrapperNode [2022-10-17 16:35:59,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:59,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:59,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:35:59,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:35:59,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,584 INFO L138 Inliner]: procedures = 10, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 31 [2022-10-17 16:35:59,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:59,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:35:59,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:35:59,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:35:59,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,606 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:35:59,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:35:59,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:35:59,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:35:59,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:59" (1/1) ... [2022-10-17 16:35:59,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:59,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:35:59,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:35:59,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:35:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:35:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:35:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:35:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:35:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:35:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:35:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:35:59,781 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:35:59,784 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:35:59,986 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:00,007 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:00,007 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:36:00,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:00 BoogieIcfgContainer [2022-10-17 16:36:00,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:00,011 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:00,011 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:00,023 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:00,023 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:00" (1/1) ... [2022-10-17 16:36:00,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2022-10-17 16:36:00,098 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2022-10-17 16:36:00,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:36:00,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:00,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:00,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:36:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:00,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:36:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:00,416 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 16:36:00,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:36:00 ImpRootNode [2022-10-17 16:36:00,460 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:36:00,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:36:00,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:36:00,461 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:36:00,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:00" (3/4) ... [2022-10-17 16:36:00,463 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:36:00,520 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:36:00,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:36:00,522 INFO L158 Benchmark]: Toolchain (without parser) took 1284.50ms. Allocated memory is still 125.8MB. Free memory was 89.6MB in the beginning and 72.9MB in the end (delta: 16.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:00,523 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 125.8MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:00,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.97ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 100.4MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:36:00,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.74ms. Allocated memory is still 125.8MB. Free memory was 100.4MB in the beginning and 98.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:00,526 INFO L158 Benchmark]: Boogie Preprocessor took 24.49ms. Allocated memory is still 125.8MB. Free memory was 98.9MB in the beginning and 97.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:00,527 INFO L158 Benchmark]: RCFGBuilder took 399.22ms. Allocated memory is still 125.8MB. Free memory was 97.4MB in the beginning and 86.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:36:00,528 INFO L158 Benchmark]: CodeCheck took 448.62ms. Allocated memory is still 125.8MB. Free memory was 86.3MB in the beginning and 74.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:36:00,529 INFO L158 Benchmark]: Witness Printer took 60.19ms. Allocated memory is still 125.8MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:00,536 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, 10 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , 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, 0.1s 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L4] int *myPointerA = ((void*) 0); [L5] int *myPointerB = ((void*) 0); [L8] int myNumberA = 7; [L9] myPointerA = &myNumberA [L8] int myNumberA = 7; [L13] int myNumberB = 3; [L14] myPointerB = &myNumberB VAL [myNumberB={7721:0}, myPointerA={7722:0}, myPointerB={7721:0}] [L16] \read(*myPointerA) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 125.8MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.97ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 100.4MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.74ms. Allocated memory is still 125.8MB. Free memory was 100.4MB in the beginning and 98.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.49ms. Allocated memory is still 125.8MB. Free memory was 98.9MB in the beginning and 97.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.22ms. Allocated memory is still 125.8MB. Free memory was 97.4MB in the beginning and 86.3MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 448.62ms. Allocated memory is still 125.8MB. Free memory was 86.3MB in the beginning and 74.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 60.19ms. Allocated memory is still 125.8MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:36:00,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7c6b244-4d1a-4068-afe9-396c97e0d1ff/bin/ukojak-92XMlrwhuB/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)