./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-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_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/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_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/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_d92202ca-09a9-43e0-8408-23592032934e/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 b06b08d501323de811576605780ed72bdf24037e477195316df25396abb6c35b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:42,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:42,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:42,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:42,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:42,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:42,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:42,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:42,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:42,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:42,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:42,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:42,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:42,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:42,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:42,164 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:42,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:42,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:42,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:42,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:42,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:42,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:42,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:42,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:42,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:42,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:42,199 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:42,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:42,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:42,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:42,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:42,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:42,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:42,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:42,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:42,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:42,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:42,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:42,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:42,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:42,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:42,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:01:42,260 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:42,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:42,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:42,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:42,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:42,263 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:42,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:01:42,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:42,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:42,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:42,265 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:01:42,265 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:01:42,265 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:01:42,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:42,266 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:42,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:42,267 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:42,267 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:42,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:42,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:42,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:42,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:42,268 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:42,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:42,269 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_d92202ca-09a9-43e0-8408-23592032934e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06b08d501323de811576605780ed72bdf24037e477195316df25396abb6c35b [2021-11-23 15:01:42,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:42,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:42,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:42,619 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:42,620 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:42,621 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i [2021-11-23 15:01:42,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/data/56fa87051/c9e257e1ed4a45a58f312898da0526a1/FLAG1de9da2ab [2021-11-23 15:01:43,193 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:43,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i [2021-11-23 15:01:43,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/data/56fa87051/c9e257e1ed4a45a58f312898da0526a1/FLAG1de9da2ab [2021-11-23 15:01:43,524 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/data/56fa87051/c9e257e1ed4a45a58f312898da0526a1 [2021-11-23 15:01:43,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:43,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:43,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:43,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:43,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:43,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:43" (1/1) ... [2021-11-23 15:01:43,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32216ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:43, skipping insertion in model container [2021-11-23 15:01:43,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:43" (1/1) ... [2021-11-23 15:01:43,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:43,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:43,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:43,995 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:44,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:44,087 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:44,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44 WrapperNode [2021-11-23 15:01:44,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:44,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:44,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:44,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:44,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,151 INFO L137 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61 [2021-11-23 15:01:44,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:44,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:44,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:44,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:44,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:44,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:44,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:44,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:44,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:44,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:44,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:44,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:01:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:01:44,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:01:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:44,413 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:44,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:44,609 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:44,643 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 15:01:44,648 INFO L158 Benchmark]: Toolchain (without parser) took 1116.61ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 45.8MB in the end (delta: 24.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-11-23 15:01:44,648 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:44,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.21ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 60.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:01:44,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.99ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 59.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:44,651 INFO L158 Benchmark]: Boogie Preprocessor took 26.50ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 57.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:44,651 INFO L158 Benchmark]: RCFGBuilder took 466.60ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 45.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:44,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.21ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 60.9MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.99ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 59.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.50ms. Allocated memory is still 92.3MB. Free memory was 59.0MB in the beginning and 57.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 466.60ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 45.8MB in the end (delta: 12.1MB). 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 15:01:44,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/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_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/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_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/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_d92202ca-09a9-43e0-8408-23592032934e/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 b06b08d501323de811576605780ed72bdf24037e477195316df25396abb6c35b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:47,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:47,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:47,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:47,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:47,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:47,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:47,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:47,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:47,456 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:47,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:47,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:47,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:47,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:47,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:47,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:47,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:47,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:47,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:47,498 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:47,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:47,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:47,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:47,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:47,517 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:47,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:47,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:47,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:47,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:47,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:47,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:47,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:47,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:47,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:47,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:47,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:47,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:47,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:47,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:47,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:47,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:47,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:47,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:47,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:47,585 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:47,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:47,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:47,586 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:47,586 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:01:47,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:47,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:47,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:47,588 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:01:47,589 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:01:47,589 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:01:47,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:47,590 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:47,590 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:47,590 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:47,590 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:47,591 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:47,591 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:47,591 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:47,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:47,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:47,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:47,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:47,593 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:47,593 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:47,593 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:47,593 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:47,594 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_d92202ca-09a9-43e0-8408-23592032934e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06b08d501323de811576605780ed72bdf24037e477195316df25396abb6c35b [2021-11-23 15:01:48,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:48,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:48,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:48,033 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:48,034 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:48,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i [2021-11-23 15:01:48,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/data/dc394a52a/cffc6c443883452f8207f620738a677d/FLAG84b171819 [2021-11-23 15:01:48,865 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:48,866 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i [2021-11-23 15:01:48,882 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/data/dc394a52a/cffc6c443883452f8207f620738a677d/FLAG84b171819 [2021-11-23 15:01:49,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/data/dc394a52a/cffc6c443883452f8207f620738a677d [2021-11-23 15:01:49,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:49,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:49,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:49,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:49,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:49,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12161dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49, skipping insertion in model container [2021-11-23 15:01:49,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:49,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:49,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:49,624 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:49,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:49,710 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:49,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49 WrapperNode [2021-11-23 15:01:49,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:49,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:49,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:49,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:49,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,760 INFO L137 Inliner]: procedures = 118, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2021-11-23 15:01:49,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:49,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:49,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:49,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:49,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:49,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:49,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:49,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:49,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:49" (1/1) ... [2021-11-23 15:01:49,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:49,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:49,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:49,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:01:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:01:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:01:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:49,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:50,013 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:50,014 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:50,221 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:50,254 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 15:01:50,258 INFO L158 Benchmark]: Toolchain (without parser) took 1120.10ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.4MB in the beginning and 35.5MB in the end (delta: -10.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,258 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 50.3MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:50,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.42ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.2MB in the beginning and 37.8MB in the end (delta: -12.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.43ms. Allocated memory is still 60.8MB. Free memory was 37.6MB in the beginning and 35.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,261 INFO L158 Benchmark]: Boogie Preprocessor took 37.41ms. Allocated memory is still 60.8MB. Free memory was 35.8MB in the beginning and 34.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,262 INFO L158 Benchmark]: RCFGBuilder took 456.47ms. Allocated memory is still 60.8MB. Free memory was 34.3MB in the beginning and 35.5MB in the end (delta: -1.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 50.3MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.42ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 25.2MB in the beginning and 37.8MB in the end (delta: -12.6MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.43ms. Allocated memory is still 60.8MB. Free memory was 37.6MB in the beginning and 35.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.41ms. Allocated memory is still 60.8MB. Free memory was 35.8MB in the beginning and 34.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.47ms. Allocated memory is still 60.8MB. Free memory was 34.3MB in the beginning and 35.5MB in the end (delta: -1.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:01:50,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d92202ca-09a9-43e0-8408-23592032934e/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