./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/960521-1-3.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_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/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_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/960521-1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/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_48ce3949-4981-4f8a-8970-fe6436d51b4b/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 c10f64ae1701d633846cd3dbd537781b9e2aef0b0b5befdebbc22e76d228933b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:52,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:52,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:52,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:52,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:52,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:52,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:52,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:52,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:52,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:52,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:52,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:52,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:52,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:52,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:52,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:52,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:52,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:52,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:52,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:52,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:52,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:52,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:52,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:52,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:52,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:52,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:52,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:52,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:52,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:52,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:52,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:52,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:52,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:52,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:52,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:52,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:52,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:52,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:52,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:52,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:52,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:33:52,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:52,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:52,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:52,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:52,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:52,622 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:52,623 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:33:52,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:52,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:52,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:52,623 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:33:52,624 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:33:52,624 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:33:52,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:52,624 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:52,624 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:52,625 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:52,625 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:52,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:52,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:52,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:52,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:52,631 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:52,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:52,631 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_48ce3949-4981-4f8a-8970-fe6436d51b4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c10f64ae1701d633846cd3dbd537781b9e2aef0b0b5befdebbc22e76d228933b [2021-11-23 15:33:52,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:52,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:52,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:52,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:52,961 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:52,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety/960521-1-3.i [2021-11-23 15:33:53,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/data/255c625a5/83c72372932e4a3b9f7776bac86b7752/FLAG072e7c871 [2021-11-23 15:33:53,546 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:53,546 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/sv-benchmarks/c/memsafety/960521-1-3.i [2021-11-23 15:33:53,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/data/255c625a5/83c72372932e4a3b9f7776bac86b7752/FLAG072e7c871 [2021-11-23 15:33:53,870 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/data/255c625a5/83c72372932e4a3b9f7776bac86b7752 [2021-11-23 15:33:53,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:53,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:53,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:53,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:53,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:53,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:53" (1/1) ... [2021-11-23 15:33:53,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2378d00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:53, skipping insertion in model container [2021-11-23 15:33:53,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:53" (1/1) ... [2021-11-23 15:33:53,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:53,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:54,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:54,314 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:54,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:54,419 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:54,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54 WrapperNode [2021-11-23 15:33:54,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:54,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:54,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:54,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:54,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,472 INFO L137 Inliner]: procedures = 121, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2021-11-23 15:33:54,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:54,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:54,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:54,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:54,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:54,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:54,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:54,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:54,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:54,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:54,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:54,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:33:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:33:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:33:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:33:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:54,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:54,696 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:54,698 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:54,871 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:54,896 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 15:33:54,901 INFO L158 Benchmark]: Toolchain (without parser) took 1025.54ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 59.8MB in the beginning and 71.2MB in the end (delta: -11.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 15:33:54,902 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 69.3MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:54,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.27ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 59.4MB in the beginning and 88.0MB in the end (delta: -28.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:54,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.13ms. Allocated memory is still 119.5MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:54,905 INFO L158 Benchmark]: Boogie Preprocessor took 31.99ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:54,906 INFO L158 Benchmark]: RCFGBuilder took 392.56ms. Allocated memory is still 119.5MB. Free memory was 84.3MB in the beginning and 71.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:54,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 69.3MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.27ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 59.4MB in the beginning and 88.0MB in the end (delta: -28.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.13ms. Allocated memory is still 119.5MB. Free memory was 88.0MB in the beginning and 85.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.99ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 84.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 392.56ms. Allocated memory is still 119.5MB. Free memory was 84.3MB in the beginning and 71.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. 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 15:33:55,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/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_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/960521-1-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/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_48ce3949-4981-4f8a-8970-fe6436d51b4b/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 c10f64ae1701d633846cd3dbd537781b9e2aef0b0b5befdebbc22e76d228933b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:57,551 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:57,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:57,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:57,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:57,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:57,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:57,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:57,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:57,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:57,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:57,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:57,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:57,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:57,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:57,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:57,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:57,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:57,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:57,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:57,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:57,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:57,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:57,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:57,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:57,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:57,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:57,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:57,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:57,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:57,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:57,678 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:57,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:57,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:57,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:57,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:57,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:57,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:57,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:57,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:57,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:57,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:57,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:57,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:57,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:57,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:57,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:57,737 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:57,737 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:33:57,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:57,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:57,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:57,739 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:33:57,739 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:33:57,739 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:33:57,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:57,740 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:57,740 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:57,740 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:57,740 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:57,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:57,741 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:57,741 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:57,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:57,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:57,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:57,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:57,742 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:57,742 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:57,742 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:57,742 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:57,743 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_48ce3949-4981-4f8a-8970-fe6436d51b4b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c10f64ae1701d633846cd3dbd537781b9e2aef0b0b5befdebbc22e76d228933b [2021-11-23 15:33:58,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:58,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:58,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:58,198 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:58,199 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:58,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety/960521-1-3.i [2021-11-23 15:33:58,274 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/data/b956f6672/90b2e6b5ea244664a4cf0c78c5bfe48c/FLAG901113f6c [2021-11-23 15:33:58,863 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:58,863 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/sv-benchmarks/c/memsafety/960521-1-3.i [2021-11-23 15:33:58,878 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/data/b956f6672/90b2e6b5ea244664a4cf0c78c5bfe48c/FLAG901113f6c [2021-11-23 15:33:59,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/data/b956f6672/90b2e6b5ea244664a4cf0c78c5bfe48c [2021-11-23 15:33:59,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:59,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:59,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:59,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:59,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:59,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7929e5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59, skipping insertion in model container [2021-11-23 15:33:59,182 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:59,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:59,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:59,680 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:59,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:59,795 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:59,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59 WrapperNode [2021-11-23 15:33:59,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:59,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:59,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:59,798 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:59,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,886 INFO L137 Inliner]: procedures = 124, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2021-11-23 15:33:59,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:59,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:59,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:59,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:59,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:59,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:59,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:59,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:59,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:59,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:59,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:34:00,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:34:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:34:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:34:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:34:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:34:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:34:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:34:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:34:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:34:00,173 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:34:00,175 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:34:00,482 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:34:00,509 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 15:34:00,513 INFO L158 Benchmark]: Toolchain (without parser) took 1340.70ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 27.4MB in the beginning and 39.5MB in the end (delta: -12.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-11-23 15:34:00,520 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 33.0MB in the beginning and 33.0MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:00,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 621.49ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 27.2MB in the beginning and 44.7MB in the end (delta: -17.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 15:34:00,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.83ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 42.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:00,526 INFO L158 Benchmark]: Boogie Preprocessor took 63.70ms. Allocated memory is still 69.2MB. Free memory was 42.8MB in the beginning and 41.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:34:00,527 INFO L158 Benchmark]: RCFGBuilder took 557.74ms. Allocated memory is still 69.2MB. Free memory was 41.2MB in the beginning and 39.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-23 15:34:00,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory was 33.0MB in the beginning and 33.0MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 621.49ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 27.2MB in the beginning and 44.7MB in the end (delta: -17.5MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.83ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 42.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.70ms. Allocated memory is still 69.2MB. Free memory was 42.8MB in the beginning and 41.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.74ms. Allocated memory is still 69.2MB. Free memory was 41.2MB in the beginning and 39.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.6MB. 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 15:34:00,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48ce3949-4981-4f8a-8970-fe6436d51b4b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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