./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:49,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:49,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:49,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:49,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:49,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:49,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:49,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:49,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:49,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:49,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:49,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:49,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:49,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:49,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:49,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:49,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:49,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:49,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:49,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:49,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:49,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:49,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:49,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:49,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:49,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:49,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:49,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:49,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:49,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:49,279 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:49,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:49,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:49,285 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:49,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:49,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:49,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:49,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:49,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:49,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:49,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:49,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:31:49,343 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:49,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:49,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:49,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:49,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:49,347 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:49,348 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:31:49,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:49,348 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:49,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:49,350 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:31:49,351 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:31:49,351 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:31:49,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:49,352 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:49,352 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:49,352 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:49,353 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:49,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:49,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:49,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:49,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:49,355 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:31:49,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:31:49,355 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_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2021-11-23 15:31:49,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:49,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:49,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:49,702 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:49,703 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:49,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2021-11-23 15:31:49,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/data/d3099b23d/927167e170d844e8af522313eb905ddd/FLAG8e1bd0947 [2021-11-23 15:31:50,461 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:50,462 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/sv-benchmarks/c/heap-manipulation/tree-2.i [2021-11-23 15:31:50,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/data/d3099b23d/927167e170d844e8af522313eb905ddd/FLAG8e1bd0947 [2021-11-23 15:31:50,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/data/d3099b23d/927167e170d844e8af522313eb905ddd [2021-11-23 15:31:50,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:50,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:50,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:50,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:50,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:50,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:50" (1/1) ... [2021-11-23 15:31:50,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f028fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:50, skipping insertion in model container [2021-11-23 15:31:50,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:50" (1/1) ... [2021-11-23 15:31:50,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:50,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:51,185 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_e6719906-053e-4925-81a4-92e867d460bf/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-11-23 15:31:51,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:51,229 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:51,304 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_e6719906-053e-4925-81a4-92e867d460bf/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-11-23 15:31:51,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:51,369 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:51,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:51 WrapperNode [2021-11-23 15:31:51,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:51,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:51,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:51,372 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:51,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:51" (1/1) ... [2021-11-23 15:31:51,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:51" (1/1) ... [2021-11-23 15:31:51,451 INFO L137 Inliner]: procedures = 122, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2021-11-23 15:31:51,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:51,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:51,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:51,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:51,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:51" (1/1) ... [2021-11-23 15:31:51,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:51" (1/1) ... [2021-11-23 15:31:51,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:51" (1/1) ... [2021-11-23 15:31:51,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:51" (1/1) ... [2021-11-23 15:31:51,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:51" (1/1) ... [2021-11-23 15:31:51,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:51" (1/1) ... [2021-11-23 15:31:51,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:51" (1/1) ... [2021-11-23 15:31:51,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:51,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:51,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:51,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:51,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:51" (1/1) ... [2021-11-23 15:31:51,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:51,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:51,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:51,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:51,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:31:51,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:31:51,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:31:51,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:51,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:31:51,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:31:51,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:51,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:31:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:51,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:51,818 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:51,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:52,328 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:52,412 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:31:52,417 INFO L158 Benchmark]: Toolchain (without parser) took 1680.88ms. Allocated memory is still 98.6MB. Free memory was 64.0MB in the beginning and 39.3MB in the end (delta: 24.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-11-23 15:31:52,418 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 77.6MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:52,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.62ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 66.5MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:52,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.38ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 64.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:31:52,421 INFO L158 Benchmark]: Boogie Preprocessor took 44.85ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 62.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:52,422 INFO L158 Benchmark]: RCFGBuilder took 916.85ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 39.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:52,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72ms. Allocated memory is still 77.6MB. Free memory was 49.1MB in the beginning and 49.1MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.62ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 66.5MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.38ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 64.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.85ms. Allocated memory is still 98.6MB. Free memory was 63.9MB in the beginning and 62.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 916.85ms. Allocated memory is still 98.6MB. Free memory was 62.3MB in the beginning and 39.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:31:52,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:55,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:55,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:55,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:55,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:55,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:55,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:55,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:55,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:55,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:55,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:55,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:55,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:55,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:55,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:55,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:55,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:55,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:55,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:55,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:55,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:55,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:55,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:55,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:55,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:55,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:55,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:55,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:55,637 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:55,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:55,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:55,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:55,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:55,643 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:55,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:55,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:55,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:55,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:55,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:55,650 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:55,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:55,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:31:55,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:55,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:55,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:55,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:55,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:55,691 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:55,691 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:31:55,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:55,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:55,692 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:55,693 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:31:55,693 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:31:55,694 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:31:55,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:55,694 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:31:55,695 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:31:55,695 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:31:55,695 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:55,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:55,696 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:55,696 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:55,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:55,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:55,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:55,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:55,698 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:31:55,698 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:31:55,698 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:31:55,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:31:55,699 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2021-11-23 15:31:56,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:56,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:56,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:56,216 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:56,217 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:56,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/heap-manipulation/tree-2.i [2021-11-23 15:31:56,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/data/c30077dc9/1c2b568e217f496997ed2f4c61cc5776/FLAGdd5f9aeb4 [2021-11-23 15:31:57,104 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:57,105 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/sv-benchmarks/c/heap-manipulation/tree-2.i [2021-11-23 15:31:57,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/data/c30077dc9/1c2b568e217f496997ed2f4c61cc5776/FLAGdd5f9aeb4 [2021-11-23 15:31:57,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/data/c30077dc9/1c2b568e217f496997ed2f4c61cc5776 [2021-11-23 15:31:57,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:57,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:57,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:57,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:57,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:57,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d66c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:57, skipping insertion in model container [2021-11-23 15:31:57,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:57" (1/1) ... [2021-11-23 15:31:57,392 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:57,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:57,881 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_e6719906-053e-4925-81a4-92e867d460bf/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-11-23 15:31:57,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:57,923 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:57,963 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_e6719906-053e-4925-81a4-92e867d460bf/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2021-11-23 15:31:57,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:58,020 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:58,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:58 WrapperNode [2021-11-23 15:31:58,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:58,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:58,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:58,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:58,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:58" (1/1) ... [2021-11-23 15:31:58,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:58" (1/1) ... [2021-11-23 15:31:58,097 INFO L137 Inliner]: procedures = 125, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 161 [2021-11-23 15:31:58,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:58,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:58,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:58,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:58,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:58" (1/1) ... [2021-11-23 15:31:58,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:58" (1/1) ... [2021-11-23 15:31:58,123 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:58" (1/1) ... [2021-11-23 15:31:58,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:58" (1/1) ... [2021-11-23 15:31:58,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:58" (1/1) ... [2021-11-23 15:31:58,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:58" (1/1) ... [2021-11-23 15:31:58,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:58" (1/1) ... [2021-11-23 15:31:58,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:58,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:58,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:58,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:58,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:58" (1/1) ... [2021-11-23 15:31:58,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:58,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:58,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:58,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:58,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:31:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:31:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:31:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:31:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:31:58,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:31:58,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:58,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:58,402 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:58,404 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:59,104 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:59,181 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:31:59,189 INFO L158 Benchmark]: Toolchain (without parser) took 1826.51ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 29.8MB in the beginning and 50.1MB in the end (delta: -20.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:59,191 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:59,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.33ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 29.6MB in the beginning and 46.4MB in the end (delta: -16.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:59,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.69ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 44.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:59,195 INFO L158 Benchmark]: Boogie Preprocessor took 44.30ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:31:59,196 INFO L158 Benchmark]: RCFGBuilder took 1037.46ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 50.1MB in the end (delta: -8.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:59,204 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.33ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 29.6MB in the beginning and 46.4MB in the end (delta: -16.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.69ms. Allocated memory is still 71.3MB. Free memory was 46.4MB in the beginning and 44.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.30ms. Allocated memory is still 71.3MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1037.46ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 50.1MB in the end (delta: -8.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:31:59,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6719906-053e-4925-81a4-92e867d460bf/bin/ukojak-CwSLpZB5Qu/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 Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable