./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loop-acceleration/array3.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_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/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_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loop-acceleration/array3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/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_266f03d2-fd06-456a-8934-777b68bbc89f/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 9dfb76d38495bc50f893b9a1fbc1c4079ae42ab458f1c235795d8ebc0da579ea --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:59,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:59,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:59,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:59,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:59,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:59,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:59,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:59,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:59,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:59,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:59,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:59,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:59,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:59,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:59,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:59,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:59,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:59,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:59,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:59,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:59,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:59,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:59,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:59,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:59,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:59,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:59,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:59,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:59,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:59,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:59,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:59,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:59,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:59,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:59,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:59,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:59,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:59,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:59,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:59,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:59,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:45:59,605 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:59,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:59,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:59,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:59,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:59,607 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:59,608 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:45:59,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:45:59,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:59,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:59,608 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:45:59,609 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:45:59,609 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:45:59,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:59,609 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:59,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:59,610 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:59,610 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:59,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:59,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:59,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:59,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:59,611 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:45:59,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:45:59,611 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_266f03d2-fd06-456a-8934-777b68bbc89f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dfb76d38495bc50f893b9a1fbc1c4079ae42ab458f1c235795d8ebc0da579ea [2021-11-23 15:45:59,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:59,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:59,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:59,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:59,960 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:59,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/array3.i [2021-11-23 15:46:00,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/data/a0b1bab62/a85bc7ca29f440ceaa99ec8b233e3b1c/FLAGf38d09627 [2021-11-23 15:46:00,608 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:00,609 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/sv-benchmarks/c/loop-acceleration/array3.i [2021-11-23 15:46:00,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/data/a0b1bab62/a85bc7ca29f440ceaa99ec8b233e3b1c/FLAGf38d09627 [2021-11-23 15:46:00,988 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/data/a0b1bab62/a85bc7ca29f440ceaa99ec8b233e3b1c [2021-11-23 15:46:00,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:00,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:00,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:00,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:00,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:00,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:00" (1/1) ... [2021-11-23 15:46:01,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e43b329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01, skipping insertion in model container [2021-11-23 15:46:01,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:00" (1/1) ... [2021-11-23 15:46:01,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:01,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:01,208 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_266f03d2-fd06-456a-8934-777b68bbc89f/sv-benchmarks/c/loop-acceleration/array3.i[846,859] [2021-11-23 15:46:01,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:01,233 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:01,246 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_266f03d2-fd06-456a-8934-777b68bbc89f/sv-benchmarks/c/loop-acceleration/array3.i[846,859] [2021-11-23 15:46:01,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:01,269 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:01,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01 WrapperNode [2021-11-23 15:46:01,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:01,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:01,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:01,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:01,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01" (1/1) ... [2021-11-23 15:46:01,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01" (1/1) ... [2021-11-23 15:46:01,308 INFO L137 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2021-11-23 15:46:01,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:01,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:01,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:01,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:01,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01" (1/1) ... [2021-11-23 15:46:01,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01" (1/1) ... [2021-11-23 15:46:01,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01" (1/1) ... [2021-11-23 15:46:01,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01" (1/1) ... [2021-11-23 15:46:01,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01" (1/1) ... [2021-11-23 15:46:01,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01" (1/1) ... [2021-11-23 15:46:01,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01" (1/1) ... [2021-11-23 15:46:01,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:01,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:01,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:01,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:01,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:01" (1/1) ... [2021-11-23 15:46:01,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:01,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:01,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:01,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:01,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:46:01,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:46:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:46:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:01,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:46:01,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:46:01,531 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:01,533 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:01,734 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:01,752 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 15:46:01,756 INFO L158 Benchmark]: Toolchain (without parser) took 762.88ms. Allocated memory is still 109.1MB. Free memory was 77.5MB in the beginning and 70.0MB in the end (delta: 7.5MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 15:46:01,757 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 109.1MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:01,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.22ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 82.9MB in the end (delta: -5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:46:01,759 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.74ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 81.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:01,760 INFO L158 Benchmark]: Boogie Preprocessor took 48.57ms. Allocated memory is still 109.1MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:01,761 INFO L158 Benchmark]: RCFGBuilder took 394.09ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 70.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:46:01,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 109.1MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.22ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 82.9MB in the end (delta: -5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.74ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 81.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.57ms. Allocated memory is still 109.1MB. Free memory was 81.6MB in the beginning and 80.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 394.09ms. Allocated memory is still 109.1MB. Free memory was 80.4MB in the beginning and 70.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. 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 15:46:01,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/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_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/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_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loop-acceleration/array3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/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_266f03d2-fd06-456a-8934-777b68bbc89f/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 9dfb76d38495bc50f893b9a1fbc1c4079ae42ab458f1c235795d8ebc0da579ea --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:04,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:04,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:04,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:04,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:04,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:04,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:04,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:04,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:04,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:04,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:04,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:04,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:04,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:04,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:04,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:04,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:04,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:04,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:04,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:04,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:04,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:04,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:04,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:04,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:04,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:04,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:04,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:04,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:04,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:04,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:04,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:04,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:04,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:04,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:04,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:04,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:04,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:04,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:04,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:04,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:04,419 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:46:04,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:04,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:04,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:04,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:04,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:04,474 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:04,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:46:04,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:46:04,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:04,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:04,476 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:46:04,476 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:46:04,477 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:46:04,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:04,477 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:46:04,477 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:46:04,478 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:46:04,478 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:04,478 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:04,478 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:04,479 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:04,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:04,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:04,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:04,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:04,480 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:46:04,480 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:46:04,480 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:46:04,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:46:04,481 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_266f03d2-fd06-456a-8934-777b68bbc89f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dfb76d38495bc50f893b9a1fbc1c4079ae42ab458f1c235795d8ebc0da579ea [2021-11-23 15:46:04,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:04,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:04,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:04,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:04,920 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:04,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/array3.i [2021-11-23 15:46:05,004 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/data/c19858aa1/24aa2b1dab9e40638c584a2a387dd0ef/FLAGc1c47de2b [2021-11-23 15:46:05,469 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:05,469 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/sv-benchmarks/c/loop-acceleration/array3.i [2021-11-23 15:46:05,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/data/c19858aa1/24aa2b1dab9e40638c584a2a387dd0ef/FLAGc1c47de2b [2021-11-23 15:46:05,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/data/c19858aa1/24aa2b1dab9e40638c584a2a387dd0ef [2021-11-23 15:46:05,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:05,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:05,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:05,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:05,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:05,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:05" (1/1) ... [2021-11-23 15:46:05,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e04b12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:05, skipping insertion in model container [2021-11-23 15:46:05,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:05" (1/1) ... [2021-11-23 15:46:05,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:05,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:06,015 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_266f03d2-fd06-456a-8934-777b68bbc89f/sv-benchmarks/c/loop-acceleration/array3.i[846,859] [2021-11-23 15:46:06,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:06,056 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:06,071 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_266f03d2-fd06-456a-8934-777b68bbc89f/sv-benchmarks/c/loop-acceleration/array3.i[846,859] [2021-11-23 15:46:06,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:06,102 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:06,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:06 WrapperNode [2021-11-23 15:46:06,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:06,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:06,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:06,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:06,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:06" (1/1) ... [2021-11-23 15:46:06,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:06" (1/1) ... [2021-11-23 15:46:06,167 INFO L137 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2021-11-23 15:46:06,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:06,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:46:06,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:46:06,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:46:06,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:06" (1/1) ... [2021-11-23 15:46:06,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:06" (1/1) ... [2021-11-23 15:46:06,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:06" (1/1) ... [2021-11-23 15:46:06,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:06" (1/1) ... [2021-11-23 15:46:06,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:06" (1/1) ... [2021-11-23 15:46:06,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:06" (1/1) ... [2021-11-23 15:46:06,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:06" (1/1) ... [2021-11-23 15:46:06,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:46:06,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:46:06,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:46:06,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:46:06,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:06" (1/1) ... [2021-11-23 15:46:06,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:06,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:46:06,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:46:06,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:46:06,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:46:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:46:06,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:46:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:46:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:46:06,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:46:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:46:06,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:46:06,397 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:46:06,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:06,644 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:06,663 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 15:46:06,667 INFO L158 Benchmark]: Toolchain (without parser) took 813.71ms. Allocated memory is still 67.1MB. Free memory was 50.0MB in the beginning and 38.7MB in the end (delta: 11.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-23 15:46:06,668 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:06,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.29ms. Allocated memory is still 67.1MB. Free memory was 49.7MB in the beginning and 39.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:46:06,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.39ms. Allocated memory is still 67.1MB. Free memory was 39.6MB in the beginning and 50.7MB in the end (delta: -11.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:06,671 INFO L158 Benchmark]: Boogie Preprocessor took 49.49ms. Allocated memory is still 67.1MB. Free memory was 50.7MB in the beginning and 49.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:06,672 INFO L158 Benchmark]: RCFGBuilder took 446.96ms. Allocated memory is still 67.1MB. Free memory was 49.4MB in the beginning and 38.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:46:06,677 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.29ms. Allocated memory is still 67.1MB. Free memory was 49.7MB in the beginning and 39.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.39ms. Allocated memory is still 67.1MB. Free memory was 39.6MB in the beginning and 50.7MB in the end (delta: -11.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.49ms. Allocated memory is still 67.1MB. Free memory was 50.7MB in the beginning and 49.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 446.96ms. Allocated memory is still 67.1MB. Free memory was 49.4MB in the beginning and 38.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. 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 15:46:06,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_266f03d2-fd06-456a-8934-777b68bbc89f/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