./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN --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-53f42b1 [2021-11-21 04:59:14,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:59:14,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:59:14,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:59:14,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:59:14,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:59:14,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:59:14,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:59:14,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:59:14,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:59:14,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:59:14,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:59:14,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:59:14,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:59:14,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:59:14,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:59:14,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:59:14,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:59:14,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:59:14,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:59:14,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:59:14,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:59:14,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:59:14,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:59:14,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:59:14,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:59:14,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:59:14,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:59:14,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:59:14,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:59:14,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:59:14,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:59:14,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:59:14,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:59:14,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:59:14,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:59:14,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:59:14,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:59:14,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:59:14,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:59:14,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:59:14,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-21 04:59:14,574 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:59:14,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:59:14,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:59:14,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:59:14,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:59:14,578 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 04:59:14,578 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 04:59:14,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:59:14,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 04:59:14,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:59:14,588 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 04:59:14,588 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 04:59:14,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:59:14,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 04:59:14,589 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:59:14,589 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:59:14,589 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:59:14,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:59:14,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:59:14,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:59:14,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:59:14,591 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:59:14,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:59:14,591 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_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2021-11-21 04:59:14,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:59:14,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:59:14,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:59:14,920 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:59:14,921 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:59:14,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-11-21 04:59:14,993 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/data/098e2d1af/f0d69a21fc104c8a8d82415162c2aec7/FLAG82fefa0f2 [2021-11-21 04:59:15,621 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:59:15,621 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-11-21 04:59:15,644 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/data/098e2d1af/f0d69a21fc104c8a8d82415162c2aec7/FLAG82fefa0f2 [2021-11-21 04:59:15,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/data/098e2d1af/f0d69a21fc104c8a8d82415162c2aec7 [2021-11-21 04:59:15,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:59:15,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:59:15,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:59:15,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:59:15,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:59:15,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:15" (1/1) ... [2021-11-21 04:59:15,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17eac797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:15, skipping insertion in model container [2021-11-21 04:59:15,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:59:15" (1/1) ... [2021-11-21 04:59:15,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:59:15,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:59:16,371 WARN L230 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_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-11-21 04:59:16,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:59:16,396 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:59:16,452 WARN L230 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_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-11-21 04:59:16,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:59:16,487 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:59:16,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:16 WrapperNode [2021-11-21 04:59:16,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:59:16,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:59:16,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:59:16,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:59:16,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:16" (1/1) ... [2021-11-21 04:59:16,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:16" (1/1) ... [2021-11-21 04:59:16,541 INFO L137 Inliner]: procedures = 124, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2021-11-21 04:59:16,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:59:16,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:59:16,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:59:16,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:59:16,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:16" (1/1) ... [2021-11-21 04:59:16,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:16" (1/1) ... [2021-11-21 04:59:16,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:16" (1/1) ... [2021-11-21 04:59:16,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:16" (1/1) ... [2021-11-21 04:59:16,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:16" (1/1) ... [2021-11-21 04:59:16,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:16" (1/1) ... [2021-11-21 04:59:16,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:16" (1/1) ... [2021-11-21 04:59:16,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:59:16,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:59:16,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:59:16,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:59:16,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:59:16" (1/1) ... [2021-11-21 04:59:16,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:59:16,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:59:16,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:59:16,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:59:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:59:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:59:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 04:59:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:59:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 04:59:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 04:59:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:59:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:59:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:59:16,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:59:16,796 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:59:16,798 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:59:17,127 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:59:17,197 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:59:17,202 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 04:59:17,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:59:17 BoogieIcfgContainer [2021-11-21 04:59:17,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:59:17,208 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:59:17,209 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:59:17,218 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:59:17,218 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:59:17" (1/1) ... [2021-11-21 04:59:17,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:59:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2021-11-21 04:59:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2021-11-21 04:59:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 04:59:17,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:17,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:17,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 45 states and 50 transitions. [2021-11-21 04:59:17,493 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2021-11-21 04:59:17,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:59:17,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:17,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:17,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:17,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2021-11-21 04:59:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2021-11-21 04:59:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:59:17,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:17,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:18,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2021-11-21 04:59:18,071 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2021-11-21 04:59:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:59:18,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:18,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:18,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:18,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-11-21 04:59:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-11-21 04:59:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 04:59:18,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:18,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:18,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:18,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:18,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2021-11-21 04:59:18,303 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-11-21 04:59:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:59:18,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:18,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:18,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:18,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-11-21 04:59:18,353 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-11-21 04:59:18,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 04:59:18,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:18,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:18,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2021-11-21 04:59:18,519 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2021-11-21 04:59:18,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:59:18,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:18,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:18,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:18,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2021-11-21 04:59:18,601 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2021-11-21 04:59:18,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-21 04:59:18,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:18,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:18,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:18,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2021-11-21 04:59:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2021-11-21 04:59:18,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:59:18,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:18,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:18,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:19,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:19,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2021-11-21 04:59:19,017 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2021-11-21 04:59:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:59:19,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:19,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:19,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:19,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:19,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 66 states and 88 transitions. [2021-11-21 04:59:19,312 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 88 transitions. [2021-11-21 04:59:19,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:59:19,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:19,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:19,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:19,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 65 states and 87 transitions. [2021-11-21 04:59:19,363 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2021-11-21 04:59:19,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 04:59:19,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:19,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:19,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:19,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:19,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2021-11-21 04:59:19,717 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2021-11-21 04:59:19,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 04:59:19,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:19,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:59:19,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 04:59:20,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:59:20,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2021-11-21 04:59:20,464 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2021-11-21 04:59:20,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 04:59:20,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:59:20,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:59:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 04:59:20,501 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 04:59:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 04:59:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 04:59:20,598 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-21 04:59:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-21 04:59:20,638 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 15 iterations. [2021-11-21 04:59:20,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 04:59:20 ImpRootNode [2021-11-21 04:59:20,705 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 04:59:20,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 04:59:20,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 04:59:20,707 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 04:59:20,707 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:59:17" (3/4) ... [2021-11-21 04:59:20,710 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-21 04:59:20,756 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 04:59:20,756 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 04:59:20,758 INFO L158 Benchmark]: Toolchain (without parser) took 4861.69ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 75.0MB in the beginning and 87.0MB in the end (delta: -12.0MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-11-21 04:59:20,759 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 109.1MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:59:20,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.94ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 73.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 04:59:20,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.11ms. Allocated memory is still 109.1MB. Free memory was 73.8MB in the beginning and 71.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:59:20,761 INFO L158 Benchmark]: Boogie Preprocessor took 34.64ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 70.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:59:20,762 INFO L158 Benchmark]: RCFGBuilder took 629.67ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 55.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 04:59:20,763 INFO L158 Benchmark]: CodeCheck took 3497.00ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 55.2MB in the beginning and 89.1MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 04:59:20,764 INFO L158 Benchmark]: Witness Printer took 50.19ms. Allocated memory is still 140.5MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 04:59:20,769 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: 3.4s, 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, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 304 mSDsluCounter, 414 SdHoareTripleChecker+Invalid, 1.9s 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, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 743 GetRequests, 672 SyntacticMatches, 15 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s 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 0.40ms. Allocated memory is still 109.1MB. Free memory was 61.7MB in the beginning and 61.7MB in the end (delta: 46.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.94ms. Allocated memory is still 109.1MB. Free memory was 75.0MB in the beginning and 73.8MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.11ms. Allocated memory is still 109.1MB. Free memory was 73.8MB in the beginning and 71.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.64ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 70.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 629.67ms. Allocated memory is still 109.1MB. Free memory was 70.5MB in the beginning and 55.2MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 3497.00ms. Allocated memory was 109.1MB in the beginning and 140.5MB in the end (delta: 31.5MB). Free memory was 55.2MB in the beginning and 89.1MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.19ms. Allocated memory is still 140.5MB. Free memory was 89.1MB in the beginning and 87.0MB 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! [2021-11-21 04:59:20,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a33d05e2-1af7-40fc-88dd-65a50d7f3deb/bin/ukojak-vF6T2TMglN/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)