./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.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_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/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_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/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_a281bee0-8e9b-442f-af5a-abf367b21a4e/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 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:35:02,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:35:02,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:35:02,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:35:02,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:35:02,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:35:02,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:35:02,966 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:35:02,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:35:02,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:35:02,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:35:02,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:35:02,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:35:02,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:35:02,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:35:02,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:35:02,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:35:02,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:35:02,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:35:02,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:35:02,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:35:02,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:35:02,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:35:02,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:35:03,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:35:03,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:35:03,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:35:03,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:35:03,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:35:03,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:35:03,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:35:03,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:35:03,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:35:03,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:35:03,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:35:03,021 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:35:03,022 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:35:03,022 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:35:03,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:35:03,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:35:03,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:35:03,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:35:03,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:35:03,080 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:35:03,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:35:03,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:35:03,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:35:03,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:35:03,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:35:03,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:35:03,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:35:03,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:35:03,093 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:35:03,093 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:35:03,094 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:35:03,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:35:03,094 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:35:03,095 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:35:03,096 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:35:03,096 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:35:03,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:35:03,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:03,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:35:03,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:35:03,098 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:35:03,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:35:03,098 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_a281bee0-8e9b-442f-af5a-abf367b21a4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 [2021-11-23 15:35:03,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:35:03,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:35:03,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:35:03,532 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:35:03,533 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:35:03,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2021-11-23 15:35:03,635 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/data/c7b054448/7914cc56062a4e0c8c97173a6dcbefa5/FLAGc9b4d008c [2021-11-23 15:35:04,249 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:35:04,249 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2021-11-23 15:35:04,270 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/data/c7b054448/7914cc56062a4e0c8c97173a6dcbefa5/FLAGc9b4d008c [2021-11-23 15:35:04,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/data/c7b054448/7914cc56062a4e0c8c97173a6dcbefa5 [2021-11-23 15:35:04,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:35:04,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:35:04,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:04,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:35:04,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:35:04,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:04" (1/1) ... [2021-11-23 15:35:04,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7113cd69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:04, skipping insertion in model container [2021-11-23 15:35:04,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:04" (1/1) ... [2021-11-23 15:35:04,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:35:04,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:35:05,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:05,064 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:35:05,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:05,165 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:35:05,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05 WrapperNode [2021-11-23 15:35:05,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:05,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:05,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:35:05,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:35:05,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,227 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,252 INFO L137 Inliner]: procedures = 115, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2021-11-23 15:35:05,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:05,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:35:05,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:35:05,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:35:05,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:35:05,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:35:05,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:35:05,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:35:05,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:05" (1/1) ... [2021-11-23 15:35:05,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:05,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:35:05,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:35:05,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:35:05,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:35:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:35:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:35:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:35:05,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:35:05,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:35:05,531 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:35:05,533 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:35:05,691 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:35:05,716 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 15:35:05,726 INFO L158 Benchmark]: Toolchain (without parser) took 1179.07ms. Allocated memory is still 98.6MB. Free memory was 61.6MB in the beginning and 53.2MB in the end (delta: 8.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 15:35:05,727 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory was 69.4MB in the beginning and 69.4MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:05,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.34ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 67.9MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:35:05,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.22ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 66.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:35:05,730 INFO L158 Benchmark]: Boogie Preprocessor took 28.88ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 65.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:05,731 INFO L158 Benchmark]: RCFGBuilder took 440.10ms. Allocated memory is still 98.6MB. Free memory was 65.0MB in the beginning and 53.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:35:05,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 98.6MB. Free memory was 69.4MB in the beginning and 69.4MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.34ms. Allocated memory is still 98.6MB. Free memory was 61.3MB in the beginning and 67.9MB in the end (delta: -6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.22ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 66.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.88ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 65.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 440.10ms. Allocated memory is still 98.6MB. Free memory was 65.0MB in the beginning and 53.2MB in the end (delta: 11.8MB). 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 15:35:05,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/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_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/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_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/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_a281bee0-8e9b-442f-af5a-abf367b21a4e/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 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:35:08,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:35:08,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:35:08,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:35:08,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:35:08,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:35:08,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:35:08,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:35:08,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:35:08,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:35:08,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:35:08,731 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:35:08,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:35:08,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:35:08,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:35:08,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:35:08,742 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:35:08,743 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:35:08,745 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:35:08,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:35:08,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:35:08,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:35:08,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:35:08,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:35:08,781 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:35:08,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:35:08,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:35:08,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:35:08,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:35:08,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:35:08,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:35:08,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:35:08,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:35:08,795 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:35:08,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:35:08,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:35:08,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:35:08,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:35:08,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:35:08,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:35:08,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:35:08,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:35:08,864 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:35:08,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:35:08,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:35:08,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:35:08,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:35:08,869 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:35:08,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:35:08,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:35:08,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:35:08,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:35:08,873 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:35:08,873 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:35:08,873 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:35:08,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:35:08,874 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:35:08,874 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:35:08,874 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:35:08,875 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:35:08,875 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:35:08,875 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:35:08,875 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:35:08,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:35:08,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:08,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:35:08,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:35:08,877 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:35:08,877 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:35:08,878 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:35:08,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:35:08,878 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_a281bee0-8e9b-442f-af5a-abf367b21a4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2407fc1341f915e07c0451c9d94952a51e657d88233cd0bc37ed2523188f0c82 [2021-11-23 15:35:09,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:35:09,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:35:09,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:35:09,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:35:09,358 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:35:09,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2021-11-23 15:35:09,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/data/703db50c3/2f610181200741b092187dbe89f790e5/FLAGf2ab149e5 [2021-11-23 15:35:10,222 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:35:10,223 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/sv-benchmarks/c/array-memsafety/count_down-alloca-1.i [2021-11-23 15:35:10,253 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/data/703db50c3/2f610181200741b092187dbe89f790e5/FLAGf2ab149e5 [2021-11-23 15:35:10,475 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/data/703db50c3/2f610181200741b092187dbe89f790e5 [2021-11-23 15:35:10,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:35:10,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:35:10,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:10,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:35:10,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:35:10,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:10" (1/1) ... [2021-11-23 15:35:10,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613c1423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:10, skipping insertion in model container [2021-11-23 15:35:10,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:35:10" (1/1) ... [2021-11-23 15:35:10,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:35:10,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:35:11,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:11,068 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:35:11,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:35:11,192 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:35:11,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11 WrapperNode [2021-11-23 15:35:11,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:35:11,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:11,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:35:11,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:35:11,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,249 INFO L137 Inliner]: procedures = 116, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-11-23 15:35:11,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:35:11,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:35:11,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:35:11,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:35:11,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:35:11,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:35:11,317 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:35:11,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:35:11,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:35:11" (1/1) ... [2021-11-23 15:35:11,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:35:11,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:35:11,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:35:11,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:35:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:35:11,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:35:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:35:11,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:35:11,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:35:11,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:35:11,625 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:35:11,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:35:11,981 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:35:12,011 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 15:35:12,020 INFO L158 Benchmark]: Toolchain (without parser) took 1536.30ms. Allocated memory is still 67.1MB. Free memory was 47.9MB in the beginning and 28.4MB in the end (delta: 19.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-11-23 15:35:12,021 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 67.1MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:12,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.67ms. Allocated memory is still 67.1MB. Free memory was 47.7MB in the beginning and 44.2MB in the end (delta: 3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:35:12,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.08ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 42.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:12,026 INFO L158 Benchmark]: Boogie Preprocessor took 63.97ms. Allocated memory is still 67.1MB. Free memory was 42.3MB in the beginning and 41.0MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:35:12,027 INFO L158 Benchmark]: RCFGBuilder took 701.34ms. Allocated memory is still 67.1MB. Free memory was 41.0MB in the beginning and 28.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:35:12,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 67.1MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.67ms. Allocated memory is still 67.1MB. Free memory was 47.7MB in the beginning and 44.2MB in the end (delta: 3.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.08ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 42.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.97ms. Allocated memory is still 67.1MB. Free memory was 42.3MB in the beginning and 41.0MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 701.34ms. Allocated memory is still 67.1MB. Free memory was 41.0MB in the beginning and 28.4MB in the end (delta: 12.5MB). 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 15:35:12,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a281bee0-8e9b-442f-af5a-abf367b21a4e/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