./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e --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 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:04:46,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:04:46,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:04:46,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:04:46,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:04:46,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:04:46,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:04:46,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:04:46,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:04:46,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:04:46,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:04:46,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:04:46,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:04:46,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:04:46,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:04:46,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:04:46,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:04:46,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:04:46,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:04:46,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:04:46,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:04:46,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:04:46,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:04:46,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:04:46,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:04:46,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:04:46,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:04:46,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:04:46,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:04:46,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:04:46,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:04:46,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:04:46,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:04:46,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:04:46,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:04:46,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:04:46,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:04:46,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:04:46,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:04:46,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:04:46,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:04:46,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-13 21:04:46,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:04:46,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:04:46,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:04:46,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:04:46,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:04:46,916 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:04:46,916 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:04:46,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:04:46,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:04:46,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:04:46,917 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 21:04:46,917 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 21:04:46,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:04:46,917 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:04:46,917 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:04:46,918 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:04:46,918 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:04:46,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:04:46,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:46,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:04:46,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:04:46,919 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:04:46,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:04:46,919 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_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2021-11-13 21:04:47,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:04:47,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:04:47,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:04:47,230 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:04:47,231 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:04:47,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-11-13 21:04:47,309 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/data/f46e9d3ef/a9a5dc27cf1b4274a9c0d0db53bc2201/FLAG4c0367e4e [2021-11-13 21:04:47,860 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:04:47,861 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-11-13 21:04:47,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/data/f46e9d3ef/a9a5dc27cf1b4274a9c0d0db53bc2201/FLAG4c0367e4e [2021-11-13 21:04:48,142 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/data/f46e9d3ef/a9a5dc27cf1b4274a9c0d0db53bc2201 [2021-11-13 21:04:48,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:04:48,146 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:04:48,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:04:48,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:04:48,163 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:04:48,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,165 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62aa124e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48, skipping insertion in model container [2021-11-13 21:04:48,165 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:04:48,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:04:48,613 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_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-11-13 21:04:48,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:04:48,633 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:04:48,693 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_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-11-13 21:04:48,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:04:48,738 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:04:48,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48 WrapperNode [2021-11-13 21:04:48,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:04:48,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:04:48,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:04:48,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:04:48,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:04:48,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:04:48,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:04:48,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:04:48,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:04:48,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:04:48,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:04:48,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:04:48,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:48,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:04:48,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:04:48,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:04:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:04:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:04:48,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 21:04:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 21:04:48,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:04:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 21:04:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:04:48,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:04:48,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:04:48,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:04:49,385 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:04:49,385 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 21:04:49,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:49 BoogieIcfgContainer [2021-11-13 21:04:49,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:04:49,389 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:04:49,389 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:04:49,414 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:04:49,414 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:49" (1/1) ... [2021-11-13 21:04:49,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:04:49,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2021-11-13 21:04:49,557 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2021-11-13 21:04:49,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:04:49,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:49,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:49,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:49,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2021-11-13 21:04:49,803 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-11-13 21:04:49,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:04:49,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:49,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2021-11-13 21:04:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2021-11-13 21:04:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:04:49,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:49,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:50,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:50,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2021-11-13 21:04:50,377 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2021-11-13 21:04:50,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:04:50,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:50,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-11-13 21:04:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-11-13 21:04:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:04:50,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:50,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:50,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2021-11-13 21:04:50,496 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-11-13 21:04:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:04:50,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:50,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:50,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-11-13 21:04:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-11-13 21:04:50,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:04:50,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:50,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2021-11-13 21:04:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-11-13 21:04:50,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:04:50,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:50,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:50,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:50,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-11-13 21:04:50,765 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-11-13 21:04:50,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:04:50,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:50,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:50,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:50,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2021-11-13 21:04:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2021-11-13 21:04:50,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:04:50,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:50,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:50,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2021-11-13 21:04:51,212 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2021-11-13 21:04:51,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:04:51,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:51,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:51,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:51,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2021-11-13 21:04:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2021-11-13 21:04:51,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:04:51,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:51,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:51,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:51,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2021-11-13 21:04:51,582 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-11-13 21:04:51,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:04:51,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:51,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:51,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:51,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2021-11-13 21:04:51,854 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-11-13 21:04:51,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:04:51,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:51,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:04:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:04:52,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:04:52,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2021-11-13 21:04:52,519 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2021-11-13 21:04:52,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:04:52,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:04:52,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:04:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:04:52,533 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 21:04:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:04:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:04:52,583 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 21:04:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 21:04:52,626 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2021-11-13 21:04:52,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:04:52 ImpRootNode [2021-11-13 21:04:52,659 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 21:04:52,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 21:04:52,660 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 21:04:52,660 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 21:04:52,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:49" (3/4) ... [2021-11-13 21:04:52,662 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 21:04:52,737 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 21:04:52,737 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 21:04:52,739 INFO L158 Benchmark]: Toolchain (without parser) took 4592.15ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 56.5MB in the beginning and 88.2MB in the end (delta: -31.7MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2021-11-13 21:04:52,739 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:04:52,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 579.25ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 62.9MB in the end (delta: -6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 21:04:52,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.65ms. Allocated memory is still 94.4MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 21:04:52,741 INFO L158 Benchmark]: Boogie Preprocessor took 64.06ms. Allocated memory is still 94.4MB. Free memory was 60.8MB in the beginning and 59.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:04:52,742 INFO L158 Benchmark]: RCFGBuilder took 506.43ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 43.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-13 21:04:52,743 INFO L158 Benchmark]: CodeCheck took 3270.17ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 43.8MB in the beginning and 90.3MB in the end (delta: -46.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:04:52,744 INFO L158 Benchmark]: Witness Printer took 78.22ms. Allocated memory is still 127.9MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 21:04:52,748 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: 3.2s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 481 SdHoareTripleChecker+Valid, 2459.07ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 304 mSDsluCounter, 414 SdHoareTripleChecker+Invalid, 2042.11ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 339 mSDsCounter, 275 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1068 IncrementalHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 275 mSolverCounterUnsat, 189 mSDtfsCounter, 1068 mSolverCounterSat, 71.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 744 GetRequests, 673 SyntacticMatches, 15 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 461 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, 0.0s 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; VAL [a={-1:0}, i=0, p={-1:0}] [L537] i < 30 && __VERIFIER_nondet_int() [L537] i < 30 && __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=0, a={-1:0}, i=0, i < 30 && __VERIFIER_nondet_int()=0, p={-1:0}] [L537] COND FALSE !(i < 30 && __VERIFIER_nondet_int()) [L545] p->h = i VAL [a={-1:0}, i=0, p={-1:0}] [L546] p->n = 0 [L547] p = a [L548] i = 0 VAL [a={-1:0}, i=0, p={-1:0}] [L549] COND TRUE p!=0 VAL [a={-1:0}, i=0, p={-1:0}] [L550] EXPR p->h VAL [a={-1:0}, i=0, p={-1:0}, p->h=0] [L550] COND TRUE p->h != 1 [L551] reach_error() VAL [a={-1:0}, i=0, p={-1:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 579.25ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 62.9MB in the end (delta: -6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.65ms. Allocated memory is still 94.4MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.06ms. Allocated memory is still 94.4MB. Free memory was 60.8MB in the beginning and 59.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 506.43ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 43.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3270.17ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 43.8MB in the beginning and 90.3MB in the end (delta: -46.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 78.22ms. Allocated memory is still 127.9MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 21:04:52,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2d874b0-ba2d-45b4-8c49-9431bbd80ed0/bin/ukojak-2xVlg8857e/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-memcleanup)