./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c --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_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/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_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/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_29651622-ff57-47b7-9325-b6c1f8838c39/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 db4b4fb03b1dcc2b831885b6cb4b7f01d511832c58de7e20715e49b64db06c6b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:40,278 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:40,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:40,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:40,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:40,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:40,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:40,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:40,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:40,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:40,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:40,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:40,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:40,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:40,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:40,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:40,326 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:40,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:40,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:40,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:40,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:40,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:40,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:40,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:40,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:40,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:40,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:40,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:40,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:40,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:40,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:40,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:40,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:40,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:40,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:40,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:40,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:40,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:40,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:40,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:40,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:40,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:52:40,376 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:40,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:40,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:40,378 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:40,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:40,378 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:40,379 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:52:40,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:40,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:40,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:40,379 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:52:40,380 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:52:40,380 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:52:40,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:40,380 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:40,380 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:40,380 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:40,381 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:40,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:40,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:40,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:40,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:40,382 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:40,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:40,382 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_29651622-ff57-47b7-9325-b6c1f8838c39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4b4fb03b1dcc2b831885b6cb4b7f01d511832c58de7e20715e49b64db06c6b [2021-11-23 15:52:40,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:40,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:40,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:40,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:40,693 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:40,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2021-11-23 15:52:40,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/data/112ef19fd/f01336e6bb1e46b4b2f697bc24be468e/FLAG6e9aa835d [2021-11-23 15:52:41,211 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:41,212 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2021-11-23 15:52:41,219 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/data/112ef19fd/f01336e6bb1e46b4b2f697bc24be468e/FLAG6e9aa835d [2021-11-23 15:52:41,605 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/data/112ef19fd/f01336e6bb1e46b4b2f697bc24be468e [2021-11-23 15:52:41,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:41,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:41,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:41,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:41,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:41,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:41,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149d3c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41, skipping insertion in model container [2021-11-23 15:52:41,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:41,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:41,642 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:41,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:41,860 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:41,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:41,914 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:41,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41 WrapperNode [2021-11-23 15:52:41,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:41,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:41,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:41,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:41,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:41,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:41,970 INFO L137 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2021-11-23 15:52:41,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:41,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:41,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:41,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:41,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:41,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:41,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:41,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:41,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:42,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:42,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:42,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:42,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:42,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:42,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:42,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:41" (1/1) ... [2021-11-23 15:52:42,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:42,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:42,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:42,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:52:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:42,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:52:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:42,200 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:42,201 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:42,377 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:42,411 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 15:52:42,415 INFO L158 Benchmark]: Toolchain (without parser) took 804.79ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 77.2MB in the end (delta: 3.1MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:42,416 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory was 97.3MB in the beginning and 97.1MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:42,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.30ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 93.4MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:42,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.48ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:42,419 INFO L158 Benchmark]: Boogie Preprocessor took 48.24ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 90.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:42,420 INFO L158 Benchmark]: RCFGBuilder took 393.39ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 77.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:42,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory was 97.3MB in the beginning and 97.1MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.30ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 93.4MB in the end (delta: -13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.48ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 91.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.24ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 90.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 393.39ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 77.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:42,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/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_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/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_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/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_29651622-ff57-47b7-9325-b6c1f8838c39/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 db4b4fb03b1dcc2b831885b6cb4b7f01d511832c58de7e20715e49b64db06c6b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:45,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:45,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:45,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:45,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:45,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:45,070 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:45,072 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:45,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:45,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:45,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:45,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:45,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:45,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:45,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:45,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:45,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:45,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:45,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:45,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:45,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:45,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:45,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:45,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:45,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:45,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:45,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:45,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:45,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:45,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:45,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:45,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:45,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:45,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:45,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:45,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:45,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:45,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:45,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:45,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:45,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:45,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:45,145 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:45,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:45,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:45,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:45,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:45,148 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:45,149 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:52:45,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:45,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:45,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:45,150 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:52:45,150 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:52:45,150 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:52:45,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:45,151 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:45,151 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:45,151 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:45,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:45,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:45,152 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:45,152 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:45,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:45,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:45,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:45,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:45,153 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:45,153 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:45,154 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:45,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:45,154 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_29651622-ff57-47b7-9325-b6c1f8838c39/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db4b4fb03b1dcc2b831885b6cb4b7f01d511832c58de7e20715e49b64db06c6b [2021-11-23 15:52:45,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:45,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:45,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:45,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:45,564 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:45,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2021-11-23 15:52:45,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/data/71a52a798/2bf284c48bcc4418bff0de4ac3a8f613/FLAG57aab6946 [2021-11-23 15:52:46,188 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:46,189 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength2_-write.c [2021-11-23 15:52:46,196 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/data/71a52a798/2bf284c48bcc4418bff0de4ac3a8f613/FLAG57aab6946 [2021-11-23 15:52:46,582 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/data/71a52a798/2bf284c48bcc4418bff0de4ac3a8f613 [2021-11-23 15:52:46,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:46,587 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:46,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:46,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:46,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:46,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25565da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46, skipping insertion in model container [2021-11-23 15:52:46,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:46,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:46,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:46,803 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:46,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:46,837 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:46,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46 WrapperNode [2021-11-23 15:52:46,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:46,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:46,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:46,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:46,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,917 INFO L137 Inliner]: procedures = 9, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2021-11-23 15:52:46,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:46,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:46,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:46,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:46,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:46,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:46,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:46,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:46,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:46" (1/1) ... [2021-11-23 15:52:46,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:46,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:46,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:46,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:47,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:52:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:47,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:52:47,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:52:47,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:52:47,119 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:47,121 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:47,426 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:47,457 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 15:52:47,462 INFO L158 Benchmark]: Toolchain (without parser) took 873.90ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.9MB in the beginning and 47.1MB in the end (delta: -16.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-23 15:52:47,463 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 39.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:47,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.79ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.7MB in the beginning and 46.9MB in the end (delta: -16.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:52:47,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.63ms. Allocated memory is still 67.1MB. Free memory was 46.7MB in the beginning and 49.5MB in the end (delta: -2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:47,466 INFO L158 Benchmark]: Boogie Preprocessor took 28.02ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 48.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:47,467 INFO L158 Benchmark]: RCFGBuilder took 512.58ms. Allocated memory is still 67.1MB. Free memory was 48.1MB in the beginning and 47.1MB in the end (delta: 1.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:47,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 35.4MB in the beginning and 35.4MB in the end (delta: 39.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.79ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.7MB in the beginning and 46.9MB in the end (delta: -16.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.63ms. Allocated memory is still 67.1MB. Free memory was 46.7MB in the beginning and 49.5MB in the end (delta: -2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.02ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 48.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.58ms. Allocated memory is still 67.1MB. Free memory was 48.1MB in the beginning and 47.1MB in the end (delta: 1.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:47,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29651622-ff57-47b7-9325-b6c1f8838c39/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