./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/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_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/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_7fd3dd2f-4866-4865-8966-f02d67904628/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 16c93f411f7e7984964960171e6986ff89eb89f75783c8b2783bb47b46e751d9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:35,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:35,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:35,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:35,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:35,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:35,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:35,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:35,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:35,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:35,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:35,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:35,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:35,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:35,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:35,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:35,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:35,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:35,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:35,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:35,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:35,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:35,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:35,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:35,916 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:35,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:35,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:35,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:35,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:35,921 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:35,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:35,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:35,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:35,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:35,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:35,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:35,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:35,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:35,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:35,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:35,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:35,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:58:35,977 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:35,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:35,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:35,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:35,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:35,980 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:35,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:58:35,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:35,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:35,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:35,982 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:58:35,989 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:58:35,989 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:58:35,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:35,989 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:35,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:35,990 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:35,990 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:35,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:35,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:35,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:35,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:35,991 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:35,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:35,992 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_7fd3dd2f-4866-4865-8966-f02d67904628/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16c93f411f7e7984964960171e6986ff89eb89f75783c8b2783bb47b46e751d9 [2021-11-23 15:58:36,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:36,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:36,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:36,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:36,311 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:36,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2021-11-23 15:58:36,396 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/data/e35458a9b/d37c9b336f6c4e2aafeba10e8452663b/FLAG6c5dc4e56 [2021-11-23 15:58:37,058 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:37,060 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2021-11-23 15:58:37,082 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/data/e35458a9b/d37c9b336f6c4e2aafeba10e8452663b/FLAG6c5dc4e56 [2021-11-23 15:58:37,296 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/data/e35458a9b/d37c9b336f6c4e2aafeba10e8452663b [2021-11-23 15:58:37,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:37,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:37,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:37,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:37,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:37,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:37,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ccedd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37, skipping insertion in model container [2021-11-23 15:58:37,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:37,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:37,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:37,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:37,857 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:37,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:38,000 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:38,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38 WrapperNode [2021-11-23 15:58:38,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:38,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:38,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:38,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:38,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,089 INFO L137 Inliner]: procedures = 170, calls = 87, calls flagged for inlining = 36, calls inlined = 11, statements flattened = 116 [2021-11-23 15:58:38,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:38,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:38,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:38,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:38,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:38,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:38,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:38,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:38,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:38,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:38,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:38,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:58:38,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:58:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:58:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:58:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:58:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:58:38,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:38,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:38,333 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:38,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:38,663 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:38,686 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:58:38,691 INFO L158 Benchmark]: Toolchain (without parser) took 1390.32ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 44.9MB in the end (delta: 17.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:38,692 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:38,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.23ms. Allocated memory is still 104.9MB. Free memory was 61.6MB in the beginning and 65.4MB in the end (delta: -3.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:38,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.92ms. Allocated memory is still 104.9MB. Free memory was 65.1MB in the beginning and 62.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:38,694 INFO L158 Benchmark]: Boogie Preprocessor took 61.04ms. Allocated memory is still 104.9MB. Free memory was 62.8MB in the beginning and 61.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:38,695 INFO L158 Benchmark]: RCFGBuilder took 537.49ms. Allocated memory is still 104.9MB. Free memory was 61.2MB in the beginning and 44.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:58:38,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.23ms. Allocated memory is still 104.9MB. Free memory was 61.6MB in the beginning and 65.4MB in the end (delta: -3.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.92ms. Allocated memory is still 104.9MB. Free memory was 65.1MB in the beginning and 62.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.04ms. Allocated memory is still 104.9MB. Free memory was 62.8MB in the beginning and 61.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.49ms. Allocated memory is still 104.9MB. Free memory was 61.2MB in the beginning and 44.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. 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 15:58:38,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/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_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/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_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/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_7fd3dd2f-4866-4865-8966-f02d67904628/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 16c93f411f7e7984964960171e6986ff89eb89f75783c8b2783bb47b46e751d9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:41,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:41,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:41,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:41,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:41,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:41,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:41,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:41,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:41,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:41,219 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:41,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:41,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:41,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:41,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:41,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:41,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:41,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:41,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:41,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:41,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:41,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:41,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:41,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:41,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:41,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:41,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:41,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:41,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:41,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:41,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:41,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:41,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:41,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:41,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:41,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:41,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:41,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:41,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:41,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:41,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:41,277 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:41,325 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:41,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:41,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:41,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:41,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:41,329 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:41,329 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:58:41,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:41,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:41,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:41,330 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:58:41,330 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:58:41,331 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:58:41,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:41,331 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:41,331 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:41,331 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:41,332 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:41,332 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:41,332 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:41,332 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:41,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:41,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:41,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:41,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:41,333 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:41,333 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:41,334 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:41,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:41,334 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_7fd3dd2f-4866-4865-8966-f02d67904628/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16c93f411f7e7984964960171e6986ff89eb89f75783c8b2783bb47b46e751d9 [2021-11-23 15:58:41,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:41,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:41,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:41,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:41,754 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:41,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2021-11-23 15:58:41,824 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/data/74bec508c/8fe8df3bcb62481895a3cd90f37d29cf/FLAG97f219e6c [2021-11-23 15:58:42,357 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:42,367 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/sv-benchmarks/c/ldv-memsafety/memleaks_test19-1.i [2021-11-23 15:58:42,383 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/data/74bec508c/8fe8df3bcb62481895a3cd90f37d29cf/FLAG97f219e6c [2021-11-23 15:58:42,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/data/74bec508c/8fe8df3bcb62481895a3cd90f37d29cf [2021-11-23 15:58:42,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:42,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:42,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:42,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:42,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:42,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:42" (1/1) ... [2021-11-23 15:58:42,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f04c253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:42, skipping insertion in model container [2021-11-23 15:58:42,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:42" (1/1) ... [2021-11-23 15:58:42,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:42,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:43,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:43,225 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:58:43,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:43,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:43,321 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:43,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:43,447 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:43,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43 WrapperNode [2021-11-23 15:58:43,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:43,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:43,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:43,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:43,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,505 INFO L137 Inliner]: procedures = 171, calls = 87, calls flagged for inlining = 36, calls inlined = 11, statements flattened = 111 [2021-11-23 15:58:43,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:43,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:43,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:43,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:43,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:43,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:43,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:43,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:43,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:43,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:43,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:43,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:43,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:58:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:43,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:58:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:58:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:58:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:58:43,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:58:43,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:43,829 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:43,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:44,195 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:44,222 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:58:44,230 INFO L158 Benchmark]: Toolchain (without parser) took 1547.23ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 45.8MB in the beginning and 53.8MB in the end (delta: -8.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,231 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:44,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 765.05ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 32.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.72ms. Allocated memory is still 67.1MB. Free memory was 32.3MB in the beginning and 29.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,236 INFO L158 Benchmark]: Boogie Preprocessor took 39.64ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 29.8MB in the beginning and 71.0MB in the end (delta: -41.2MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,237 INFO L158 Benchmark]: RCFGBuilder took 681.69ms. Allocated memory is still 88.1MB. Free memory was 71.0MB in the beginning and 53.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory was 48.7MB in the beginning and 48.6MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 765.05ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 32.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.72ms. Allocated memory is still 67.1MB. Free memory was 32.3MB in the beginning and 29.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.64ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 29.8MB in the beginning and 71.0MB in the end (delta: -41.2MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 681.69ms. Allocated memory is still 88.1MB. Free memory was 71.0MB in the beginning and 53.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. 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 15:58:44,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fd3dd2f-4866-4865-8966-f02d67904628/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