./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.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_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/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_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/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_1a2e8863-2a4b-46a6-a86e-53fa6581867d/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 10a3b461143c2c5d394f7bd34cd6fefed4195b79a5252178f7ede404a303cf96 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:19,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:19,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:19,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:19,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:19,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:19,155 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:19,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:19,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:19,161 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:19,162 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:19,164 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:19,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:19,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:19,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:19,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:19,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:19,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:19,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:19,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:19,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:19,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:19,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:19,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:19,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:19,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:19,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:19,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:19,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:19,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:19,191 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:19,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:19,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:19,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:19,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:19,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:19,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:19,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:19,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:19,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:19,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:19,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:55:19,223 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:19,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:19,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:19,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:19,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:19,225 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:19,226 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:55:19,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:19,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:19,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:19,227 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:55:19,227 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:55:19,227 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:55:19,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:19,228 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:19,228 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:19,228 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:19,228 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:19,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:19,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:19,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:19,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:19,230 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:19,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:19,230 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_1a2e8863-2a4b-46a6-a86e-53fa6581867d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a3b461143c2c5d394f7bd34cd6fefed4195b79a5252178f7ede404a303cf96 [2021-11-23 15:55:19,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:19,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:19,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:19,527 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:19,528 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:19,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2021-11-23 15:55:19,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/data/aedd87ead/4240fc2cae0d4e7f9dbe0c438d909969/FLAGfb7aecb15 [2021-11-23 15:55:20,152 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:20,152 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2021-11-23 15:55:20,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/data/aedd87ead/4240fc2cae0d4e7f9dbe0c438d909969/FLAGfb7aecb15 [2021-11-23 15:55:20,460 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/data/aedd87ead/4240fc2cae0d4e7f9dbe0c438d909969 [2021-11-23 15:55:20,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:20,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:20,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:20,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:20,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:20,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413d179e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20, skipping insertion in model container [2021-11-23 15:55:20,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:20,523 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:20,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:20,815 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:20,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:20,880 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:20,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20 WrapperNode [2021-11-23 15:55:20,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:20,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:20,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:20,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:20,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,943 INFO L137 Inliner]: procedures = 118, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2021-11-23 15:55:20,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:20,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:20,945 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:20,945 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:20,952 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:20,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:20,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:20,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:20,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:21,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:21,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:21,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:21,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:21,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:21,190 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:21,192 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:21,389 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:21,430 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 15:55:21,434 INFO L158 Benchmark]: Toolchain (without parser) took 967.81ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 42.4MB in the end (delta: 11.4MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 15:55:21,435 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 90.2MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:21,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.03ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 59.2MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:21,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.25ms. Allocated memory is still 90.2MB. Free memory was 59.2MB in the beginning and 57.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:21,437 INFO L158 Benchmark]: Boogie Preprocessor took 40.09ms. Allocated memory is still 90.2MB. Free memory was 57.3MB in the beginning and 55.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:21,438 INFO L158 Benchmark]: RCFGBuilder took 447.55ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 42.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:21,442 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 90.2MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.03ms. Allocated memory is still 90.2MB. Free memory was 53.7MB in the beginning and 59.2MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.25ms. Allocated memory is still 90.2MB. Free memory was 59.2MB in the beginning and 57.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.09ms. Allocated memory is still 90.2MB. Free memory was 57.3MB in the beginning and 55.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.55ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 42.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:21,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/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_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/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_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/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_1a2e8863-2a4b-46a6-a86e-53fa6581867d/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 10a3b461143c2c5d394f7bd34cd6fefed4195b79a5252178f7ede404a303cf96 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:23,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:23,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:24,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:24,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:24,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:24,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:24,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:24,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:24,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:24,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:24,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:24,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:24,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:24,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:24,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:24,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:24,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:24,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:24,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:24,071 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:24,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:24,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:24,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:24,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:24,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:24,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:24,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:24,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:24,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:24,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:24,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:24,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:24,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:24,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:24,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:24,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:24,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:24,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:24,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:24,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:24,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:24,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:24,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:24,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:24,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:24,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:24,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:24,155 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:55:24,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:24,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:24,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:24,157 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:55:24,157 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:55:24,157 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:55:24,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:24,158 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:24,158 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:24,158 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:24,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:24,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:24,159 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:24,159 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:24,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:24,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:24,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:24,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:24,161 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:24,161 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:24,161 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:24,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:24,161 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_1a2e8863-2a4b-46a6-a86e-53fa6581867d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a3b461143c2c5d394f7bd34cd6fefed4195b79a5252178f7ede404a303cf96 [2021-11-23 15:55:24,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:24,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:24,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:24,603 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:24,605 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:24,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2021-11-23 15:55:24,683 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/data/0dccd24b0/f957c1620e9f4e6c8476909ac2be34a3/FLAGab1ac239d [2021-11-23 15:55:25,185 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:25,185 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/sv-benchmarks/c/array-memsafety/cstrchr_unsafe.i [2021-11-23 15:55:25,198 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/data/0dccd24b0/f957c1620e9f4e6c8476909ac2be34a3/FLAGab1ac239d [2021-11-23 15:55:25,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/data/0dccd24b0/f957c1620e9f4e6c8476909ac2be34a3 [2021-11-23 15:55:25,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:25,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:25,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:25,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:25,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:25,540 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:25" (1/1) ... [2021-11-23 15:55:25,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ccc054a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:25, skipping insertion in model container [2021-11-23 15:55:25,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:25" (1/1) ... [2021-11-23 15:55:25,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:25,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:25,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:25,951 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:26,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:26,052 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:26,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26 WrapperNode [2021-11-23 15:55:26,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:26,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:26,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:26,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:26,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,079 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,105 INFO L137 Inliner]: procedures = 119, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2021-11-23 15:55:26,107 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:26,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:26,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:26,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:26,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:26,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:26,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:26,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:26,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:26,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:26,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:26,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:55:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:55:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:26,353 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:26,355 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:26,678 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:26,706 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 15:55:26,709 INFO L158 Benchmark]: Toolchain (without parser) took 1174.34ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 27.3MB in the beginning and 36.8MB in the end (delta: -9.5MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:26,710 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:26,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 517.36ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 27.0MB in the beginning and 39.6MB in the end (delta: -12.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:26,711 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.90ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 37.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:26,712 INFO L158 Benchmark]: Boogie Preprocessor took 51.30ms. Allocated memory is still 62.9MB. Free memory was 37.5MB in the beginning and 36.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:26,713 INFO L158 Benchmark]: RCFGBuilder took 546.56ms. Allocated memory is still 62.9MB. Free memory was 35.9MB in the beginning and 36.8MB in the end (delta: -873.5kB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:26,716 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 52.4MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 517.36ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 27.0MB in the beginning and 39.6MB in the end (delta: -12.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.90ms. Allocated memory is still 62.9MB. Free memory was 39.4MB in the beginning and 37.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.30ms. Allocated memory is still 62.9MB. Free memory was 37.5MB in the beginning and 36.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.56ms. Allocated memory is still 62.9MB. Free memory was 35.9MB in the beginning and 36.8MB in the end (delta: -873.5kB). Peak memory consumption was 14.0MB. 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 15:55:26,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a2e8863-2a4b-46a6-a86e-53fa6581867d/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