./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dfe6e301265e265404ce5be2c9f54235040b69e ............................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memcleanup) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 03:17:58,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 03:17:58,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 03:17:58,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 03:17:58,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 03:17:58,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 03:17:58,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 03:17:58,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 03:17:58,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 03:17:58,867 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 03:17:58,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 03:17:58,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 03:17:58,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 03:17:58,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 03:17:58,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 03:17:58,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 03:17:58,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 03:17:58,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 03:17:58,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 03:17:58,893 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 03:17:58,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 03:17:58,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 03:17:58,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 03:17:58,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 03:17:58,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 03:17:58,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 03:17:58,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 03:17:58,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 03:17:58,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 03:17:58,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 03:17:58,910 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 03:17:58,911 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 03:17:58,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 03:17:58,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 03:17:58,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 03:17:58,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 03:17:58,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 03:17:58,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 03:17:58,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 03:17:58,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 03:17:58,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 03:17:58,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-10-13 03:17:58,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 03:17:58,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 03:17:58,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 03:17:58,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 03:17:58,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 03:17:58,967 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 03:17:58,968 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 03:17:58,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 03:17:58,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 03:17:58,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 03:17:58,969 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 03:17:58,970 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 03:17:58,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 03:17:58,970 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 03:17:58,970 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 03:17:58,971 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 03:17:58,971 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 03:17:58,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 03:17:58,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:17:58,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 03:17:58,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 03:17:58,972 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 03:17:58,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 03:17:58,972 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_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dfe6e301265e265404ce5be2c9f54235040b69e [2021-10-13 03:17:59,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 03:17:59,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 03:17:59,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 03:17:59,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 03:17:59,344 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 03:17:59,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-10-13 03:17:59,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/data/014e7472c/3b78aa944182476e835a24a45e2dc7eb/FLAG52c50011a [2021-10-13 03:18:00,028 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 03:18:00,034 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-10-13 03:18:00,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/data/014e7472c/3b78aa944182476e835a24a45e2dc7eb/FLAG52c50011a [2021-10-13 03:18:00,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/data/014e7472c/3b78aa944182476e835a24a45e2dc7eb [2021-10-13 03:18:00,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 03:18:00,337 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 03:18:00,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 03:18:00,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 03:18:00,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 03:18:00,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ea8db2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00, skipping insertion in model container [2021-10-13 03:18:00,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 03:18:00,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 03:18:00,752 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-10-13 03:18:00,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:18:00,771 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 03:18:00,834 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-10-13 03:18:00,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 03:18:00,880 INFO L208 MainTranslator]: Completed translation [2021-10-13 03:18:00,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00 WrapperNode [2021-10-13 03:18:00,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 03:18:00,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 03:18:00,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 03:18:00,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 03:18:00,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 03:18:00,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 03:18:00,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 03:18:00,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 03:18:00,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 03:18:00,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 03:18:00,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 03:18:00,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 03:18:00,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 03:18:00" (1/1) ... [2021-10-13 03:18:00,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 03:18:00,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/z3 [2021-10-13 03:18:01,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 03:18:01,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 03:18:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 03:18:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 03:18:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 03:18:01,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-13 03:18:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 03:18:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-13 03:18:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 03:18:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 03:18:01,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 03:18:01,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 03:18:01,569 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 03:18:01,569 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-13 03:18:01,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:01 BoogieIcfgContainer [2021-10-13 03:18:01,572 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 03:18:01,573 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 03:18:01,573 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 03:18:01,582 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 03:18:01,583 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:01" (1/1) ... [2021-10-13 03:18:01,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 03:18:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2021-10-13 03:18:01,620 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2021-10-13 03:18:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 03:18:01,623 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:01,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:01,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2021-10-13 03:18:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-10-13 03:18:01,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 03:18:01,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:01,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:01,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2021-10-13 03:18:01,955 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2021-10-13 03:18:01,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 03:18:01,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:01,955 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2021-10-13 03:18:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2021-10-13 03:18:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 03:18:02,326 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:02,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:02,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:02,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-10-13 03:18:02,415 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-10-13 03:18:02,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 03:18:02,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:02,416 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2021-10-13 03:18:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-10-13 03:18:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:18:02,511 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:02,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:02,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:02,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-10-13 03:18:02,595 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-10-13 03:18:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-13 03:18:02,595 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:02,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:02,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2021-10-13 03:18:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-10-13 03:18:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 03:18:02,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:02,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:02,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-10-13 03:18:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-10-13 03:18:02,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 03:18:02,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:02,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:02,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:02,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:02,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2021-10-13 03:18:02,817 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2021-10-13 03:18:02,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:18:02,817 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:02,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:02,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:03,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2021-10-13 03:18:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2021-10-13 03:18:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:18:03,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:03,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:03,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:03,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2021-10-13 03:18:03,295 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2021-10-13 03:18:03,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:18:03,296 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:03,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:03,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:03,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:03,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2021-10-13 03:18:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-10-13 03:18:03,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 03:18:03,355 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:03,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:03,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:03,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:03,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2021-10-13 03:18:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-10-13 03:18:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 03:18:03,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:03,684 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 03:18:03,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 03:18:04,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 03:18:04,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 101 transitions. [2021-10-13 03:18:04,188 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2021-10-13 03:18:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-13 03:18:04,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 03:18:04,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 03:18:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:18:04,199 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:18:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:18:04,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:18:04,246 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 03:18:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 03:18:04,276 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2021-10-13 03:18:04,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 03:18:04 ImpRootNode [2021-10-13 03:18:04,302 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 03:18:04,302 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 03:18:04,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 03:18:04,303 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 03:18:04,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 03:18:01" (3/4) ... [2021-10-13 03:18:04,305 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 03:18:04,373 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 03:18:04,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 03:18:04,375 INFO L168 Benchmark]: Toolchain (without parser) took 4036.60 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 52.6 MB in the beginning and 108.0 MB in the end (delta: -55.4 MB). Peak memory consumption was 54.6 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:04,375 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 94.4 MB. Free memory was 70.2 MB in the beginning and 70.1 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 03:18:04,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.36 ms. Allocated memory is still 94.4 MB. Free memory was 52.4 MB in the beginning and 61.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:04,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.93 ms. Allocated memory is still 94.4 MB. Free memory was 61.1 MB in the beginning and 59.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:04,377 INFO L168 Benchmark]: Boogie Preprocessor took 32.33 ms. Allocated memory is still 94.4 MB. Free memory was 59.2 MB in the beginning and 57.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:04,378 INFO L168 Benchmark]: RCFGBuilder took 597.86 ms. Allocated memory is still 94.4 MB. Free memory was 57.6 MB in the beginning and 40.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:04,379 INFO L168 Benchmark]: CodeCheck took 2728.97 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 40.1 MB in the beginning and 40.6 MB in the end (delta: -566.0 kB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:04,380 INFO L168 Benchmark]: Witness Printer took 70.88 ms. Allocated memory is still 134.2 MB. Free memory was 40.6 MB in the beginning and 108.0 MB in the end (delta: -67.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 03:18:04,400 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, 45 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 2676.6ms, OverallIterations: 15, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 131722 SDtfs, 59698 SDslu, 74740 SDs, 0 SdLazy, 173784 SolverSat, 64690 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1322.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 747 GetRequests, 680 SyntacticMatches, 13 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 932 ImplicationChecksByTransitivity, 1216.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 49.6ms SsaConstructionTime, 249.1ms SatisfiabilityAnalysisTime, 734.2ms InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 411 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 551]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L532] List a = (List) malloc(sizeof(struct node)); [L533] COND FALSE !(a == 0) [L534] List t; [L535] List p = a; [L536] int i = 0; [L537] i < 30 && __VERIFIER_nondet_int() [L537] i < 30 && __VERIFIER_nondet_int() [L537] COND FALSE !(i < 30 && __VERIFIER_nondet_int()) [L545] p->h = i [L546] p->n = 0 [L547] p = a [L548] i = 0 [L549] COND TRUE p!=0 [L550] EXPR p->h [L550] COND TRUE p->h != 1 [L551] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 94.4 MB. Free memory was 70.2 MB in the beginning and 70.1 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 542.36 ms. Allocated memory is still 94.4 MB. Free memory was 52.4 MB in the beginning and 61.1 MB in the end (delta: -8.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 58.93 ms. Allocated memory is still 94.4 MB. Free memory was 61.1 MB in the beginning and 59.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.33 ms. Allocated memory is still 94.4 MB. Free memory was 59.2 MB in the beginning and 57.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 597.86 ms. Allocated memory is still 94.4 MB. Free memory was 57.6 MB in the beginning and 40.3 MB in the end (delta: 17.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 2728.97 ms. Allocated memory was 94.4 MB in the beginning and 134.2 MB in the end (delta: 39.8 MB). Free memory was 40.1 MB in the beginning and 40.6 MB in the end (delta: -566.0 kB). Peak memory consumption was 41.8 MB. Max. memory is 16.1 GB. * Witness Printer took 70.88 ms. Allocated memory is still 134.2 MB. Free memory was 40.6 MB in the beginning and 108.0 MB in the end (delta: -67.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-13 03:18:04,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bb35dfb-c5a0-4ec1-a64f-08945b17cd27/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...