./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.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_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/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_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/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_fa96662f-5428-4fb0-9b90-a08d615c78b3/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 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:09,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:09,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:09,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:09,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:09,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:09,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:09,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:09,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:09,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:09,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:09,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:09,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:09,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:09,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:09,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:09,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:09,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:09,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:09,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:09,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:09,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:09,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:09,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:09,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:09,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:09,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:09,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:09,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:09,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:09,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:09,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:09,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:09,822 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:09,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:09,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:09,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:09,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:09,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:09,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:09,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:09,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:31:09,888 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:09,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:09,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:09,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:09,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:09,892 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:09,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:31:09,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:09,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:09,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:09,893 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:31:09,894 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:31:09,894 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:31:09,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:09,895 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:09,895 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:09,895 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:09,896 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:09,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:09,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:09,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:09,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:09,897 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:31:09,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:31:09,898 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_fa96662f-5428-4fb0-9b90-a08d615c78b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d [2021-11-23 15:31:10,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:10,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:10,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:10,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:10,274 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:10,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2021-11-23 15:31:10,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/data/25971c6e5/75d6b8ac55b344cc85d911779305a542/FLAG966b79485 [2021-11-23 15:31:11,149 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:11,149 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2021-11-23 15:31:11,179 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/data/25971c6e5/75d6b8ac55b344cc85d911779305a542/FLAG966b79485 [2021-11-23 15:31:11,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/data/25971c6e5/75d6b8ac55b344cc85d911779305a542 [2021-11-23 15:31:11,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:11,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:11,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:11,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:11,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:11,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:11" (1/1) ... [2021-11-23 15:31:11,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@102fb864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:11, skipping insertion in model container [2021-11-23 15:31:11,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:11" (1/1) ... [2021-11-23 15:31:11,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:11,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:11,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:11,925 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:12,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:12,053 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:12,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:12 WrapperNode [2021-11-23 15:31:12,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:12,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:12,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:12,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:12,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:12" (1/1) ... [2021-11-23 15:31:12,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:12" (1/1) ... [2021-11-23 15:31:12,124 INFO L137 Inliner]: procedures = 119, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 160 [2021-11-23 15:31:12,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:12,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:12,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:12,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:12,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:12" (1/1) ... [2021-11-23 15:31:12,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:12" (1/1) ... [2021-11-23 15:31:12,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:12" (1/1) ... [2021-11-23 15:31:12,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:12" (1/1) ... [2021-11-23 15:31:12,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:12" (1/1) ... [2021-11-23 15:31:12,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:12" (1/1) ... [2021-11-23 15:31:12,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:12" (1/1) ... [2021-11-23 15:31:12,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:12,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:12,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:12,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:12,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:12" (1/1) ... [2021-11-23 15:31:12,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:12,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:12,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:12,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:31:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:31:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:31:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:12,538 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:12,540 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:13,039 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:13,083 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 15:31:13,093 INFO L158 Benchmark]: Toolchain (without parser) took 1703.56ms. Allocated memory is still 117.4MB. Free memory was 88.0MB in the beginning and 63.2MB in the end (delta: 24.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-11-23 15:31:13,094 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:13,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.89ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 84.7MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:31:13,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.86ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:13,097 INFO L158 Benchmark]: Boogie Preprocessor took 89.02ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 80.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:13,098 INFO L158 Benchmark]: RCFGBuilder took 875.87ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 63.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:31:13,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.89ms. Allocated memory is still 117.4MB. Free memory was 87.8MB in the beginning and 84.7MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.86ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 82.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.02ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 80.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 875.87ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 63.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. 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 15:31:13,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/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_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/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_fa96662f-5428-4fb0-9b90-a08d615c78b3/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 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:31:16,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:16,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:16,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:16,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:16,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:16,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:16,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:16,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:16,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:16,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:16,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:16,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:16,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:16,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:16,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:16,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:16,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:16,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:16,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:16,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:16,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:16,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:16,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:16,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:16,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:16,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:16,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:16,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:16,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:16,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:16,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:16,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:16,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:16,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:16,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:16,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:16,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:16,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:16,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:16,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:16,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:31:16,349 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:16,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:16,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:16,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:16,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:16,353 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:16,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:31:16,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:16,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:16,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:16,356 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:31:16,356 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:31:16,356 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:31:16,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:16,357 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:31:16,357 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:31:16,357 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:31:16,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:16,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:16,357 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:16,358 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:16,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:16,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:16,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:16,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:16,358 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:31:16,359 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:31:16,359 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:31:16,359 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:31:16,359 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_fa96662f-5428-4fb0-9b90-a08d615c78b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 991fb09b573d5827d0db553f1ea89a581f5a664ba8b68d6f14a043df738f2f6d [2021-11-23 15:31:16,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:16,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:16,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:16,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:16,899 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:16,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2021-11-23 15:31:16,997 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/data/717156d30/f37888f62b034796a061db8a7daa8bb8/FLAG48537ec03 [2021-11-23 15:31:17,753 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:17,760 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/sv-benchmarks/c/array-memsafety/openbsd_cstrstr-alloca-2.i [2021-11-23 15:31:17,788 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/data/717156d30/f37888f62b034796a061db8a7daa8bb8/FLAG48537ec03 [2021-11-23 15:31:17,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/data/717156d30/f37888f62b034796a061db8a7daa8bb8 [2021-11-23 15:31:17,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:17,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:17,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:17,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:18,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:18,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:17" (1/1) ... [2021-11-23 15:31:18,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6eaab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18, skipping insertion in model container [2021-11-23 15:31:18,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:17" (1/1) ... [2021-11-23 15:31:18,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:18,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:18,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:18,593 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:18,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:18,732 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:18,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18 WrapperNode [2021-11-23 15:31:18,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:18,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:18,736 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:18,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:18,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18" (1/1) ... [2021-11-23 15:31:18,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18" (1/1) ... [2021-11-23 15:31:18,848 INFO L137 Inliner]: procedures = 120, calls = 23, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 156 [2021-11-23 15:31:18,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:18,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:18,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:18,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:18,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18" (1/1) ... [2021-11-23 15:31:18,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18" (1/1) ... [2021-11-23 15:31:18,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18" (1/1) ... [2021-11-23 15:31:18,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18" (1/1) ... [2021-11-23 15:31:18,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18" (1/1) ... [2021-11-23 15:31:18,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18" (1/1) ... [2021-11-23 15:31:18,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18" (1/1) ... [2021-11-23 15:31:18,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:18,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:18,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:18,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:18,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:18" (1/1) ... [2021-11-23 15:31:18,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:18,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:18,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:18,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:31:19,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:31:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:31:19,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:19,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:19,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:19,175 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:19,177 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:19,690 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:19,734 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 15:31:19,740 INFO L158 Benchmark]: Toolchain (without parser) took 1743.93ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 55.2MB in the beginning and 77.1MB in the end (delta: -21.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-23 15:31:19,741 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 73.4MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:19,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 738.03ms. Allocated memory is still 73.4MB. Free memory was 55.0MB in the beginning and 48.5MB in the end (delta: 6.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 15:31:19,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.08ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 46.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:31:19,744 INFO L158 Benchmark]: Boogie Preprocessor took 77.54ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 44.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:19,745 INFO L158 Benchmark]: RCFGBuilder took 809.41ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 44.3MB in the beginning and 77.1MB in the end (delta: -32.8MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:19,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 73.4MB. Free memory is still 54.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 738.03ms. Allocated memory is still 73.4MB. Free memory was 55.0MB in the beginning and 48.5MB in the end (delta: 6.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.08ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 46.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.54ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 44.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 809.41ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 44.3MB in the beginning and 77.1MB in the end (delta: -32.8MB). Peak memory consumption was 19.1MB. 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 15:31:19,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa96662f-5428-4fb0-9b90-a08d615c78b3/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