./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/tree_cnstr.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_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/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_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_cnstr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/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_53409b83-097e-4de5-a772-c814a419fafa/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 ba983053090b7e7410066c63fe0cfe9ad27960a7dc19d54045684ba21359c88d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:09,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:09,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:09,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:09,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:09,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:09,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:09,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:09,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:09,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:09,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:09,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:09,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:09,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:09,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:09,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:09,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:09,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:09,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:09,925 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:09,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:09,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:09,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:09,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:09,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:09,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:09,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:09,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:09,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:09,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:09,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:09,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:09,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:09,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:09,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:09,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:09,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:09,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:09,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:09,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:09,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:09,949 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:43:09,970 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:09,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:09,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:09,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:09,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:09,973 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:09,973 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:43:09,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:43:09,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:09,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:09,974 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:43:09,974 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:43:09,974 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:43:09,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:09,975 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:09,975 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:09,975 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:09,975 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:09,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:09,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:09,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:09,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:09,977 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:43:09,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:43:09,977 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_53409b83-097e-4de5-a772-c814a419fafa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba983053090b7e7410066c63fe0cfe9ad27960a7dc19d54045684ba21359c88d [2021-11-23 15:43:10,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:10,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:10,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:10,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:10,241 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:10,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety-ext/tree_cnstr.i [2021-11-23 15:43:10,304 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/data/c36bf244f/b6f33c54bbfa4b04a88fef9a90a4e81f/FLAGcb268cf0d [2021-11-23 15:43:10,773 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:10,774 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/sv-benchmarks/c/memsafety-ext/tree_cnstr.i [2021-11-23 15:43:10,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/data/c36bf244f/b6f33c54bbfa4b04a88fef9a90a4e81f/FLAGcb268cf0d [2021-11-23 15:43:11,116 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/data/c36bf244f/b6f33c54bbfa4b04a88fef9a90a4e81f [2021-11-23 15:43:11,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:11,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:11,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:11,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:11,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:11,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc75b7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11, skipping insertion in model container [2021-11-23 15:43:11,143 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:11,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:11,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:11,483 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:11,532 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:11,572 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:11,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11 WrapperNode [2021-11-23 15:43:11,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:11,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:11,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:11,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:11,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,621 INFO L137 Inliner]: procedures = 123, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 138 [2021-11-23 15:43:11,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:11,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:11,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:11,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:11,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:11,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:11,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:11,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:11,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:11,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:11,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:43:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:43:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:43:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:43:11,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:43:11,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:11,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:11,951 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:11,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:12,415 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:43:12,504 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:43:12,508 INFO L158 Benchmark]: Toolchain (without parser) took 1387.37ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 69.0MB in the beginning and 83.4MB in the end (delta: -14.5MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2021-11-23 15:43:12,509 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:12,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.18ms. Allocated memory is still 90.2MB. Free memory was 68.8MB in the beginning and 58.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:43:12,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.84ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 56.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:12,511 INFO L158 Benchmark]: Boogie Preprocessor took 50.86ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 54.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:12,512 INFO L158 Benchmark]: RCFGBuilder took 832.66ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.7MB in the beginning and 83.4MB in the end (delta: -28.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2021-11-23 15:43:12,516 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 66.0MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.18ms. Allocated memory is still 90.2MB. Free memory was 68.8MB in the beginning and 58.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.84ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 56.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.86ms. Allocated memory is still 90.2MB. Free memory was 56.4MB in the beginning and 54.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 832.66ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.7MB in the beginning and 83.4MB in the end (delta: -28.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:43:12,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/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_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/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_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_cnstr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/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_53409b83-097e-4de5-a772-c814a419fafa/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 ba983053090b7e7410066c63fe0cfe9ad27960a7dc19d54045684ba21359c88d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:14,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:14,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:15,001 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:15,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:15,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:15,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:15,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:15,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:15,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:15,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:15,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:15,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:15,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:15,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:15,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:15,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:15,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:15,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:15,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:15,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:15,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:15,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:15,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:15,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:15,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:15,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:15,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:15,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:15,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:15,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:15,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:15,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:15,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:15,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:15,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:15,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:15,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:15,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:15,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:15,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:15,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:43:15,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:15,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:15,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:15,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:15,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:15,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:15,078 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:43:15,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:43:15,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:15,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:15,079 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:43:15,079 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:43:15,079 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:43:15,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:15,080 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:43:15,080 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:43:15,080 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:43:15,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:15,081 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:15,081 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:15,081 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:15,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:15,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:15,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:15,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:15,083 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:43:15,083 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:43:15,084 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:43:15,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:43:15,084 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_53409b83-097e-4de5-a772-c814a419fafa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba983053090b7e7410066c63fe0cfe9ad27960a7dc19d54045684ba21359c88d [2021-11-23 15:43:15,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:15,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:15,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:15,499 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:15,501 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:15,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety-ext/tree_cnstr.i [2021-11-23 15:43:15,578 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/data/6d1283d12/8547886b6f964d52bc0c71ac3fbbfd98/FLAG12514fa83 [2021-11-23 15:43:16,142 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:16,143 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/sv-benchmarks/c/memsafety-ext/tree_cnstr.i [2021-11-23 15:43:16,156 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/data/6d1283d12/8547886b6f964d52bc0c71ac3fbbfd98/FLAG12514fa83 [2021-11-23 15:43:16,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/data/6d1283d12/8547886b6f964d52bc0c71ac3fbbfd98 [2021-11-23 15:43:16,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:16,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:16,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:16,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:16,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:16,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d12f1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16, skipping insertion in model container [2021-11-23 15:43:16,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:16,573 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:16,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:16,981 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:17,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:17,049 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:17,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:17 WrapperNode [2021-11-23 15:43:17,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:17,051 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:17,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:17,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:17,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:17" (1/1) ... [2021-11-23 15:43:17,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:17" (1/1) ... [2021-11-23 15:43:17,101 INFO L137 Inliner]: procedures = 124, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 125 [2021-11-23 15:43:17,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:17,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:17,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:17,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:17,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:17" (1/1) ... [2021-11-23 15:43:17,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:17" (1/1) ... [2021-11-23 15:43:17,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:17" (1/1) ... [2021-11-23 15:43:17,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:17" (1/1) ... [2021-11-23 15:43:17,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:17" (1/1) ... [2021-11-23 15:43:17,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:17" (1/1) ... [2021-11-23 15:43:17,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:17" (1/1) ... [2021-11-23 15:43:17,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:17,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:17,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:17,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:17,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:17" (1/1) ... [2021-11-23 15:43:17,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:17,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:17,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:17,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:43:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:43:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:43:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:43:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:43:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:17,324 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:17,326 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:18,010 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:43:18,062 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:43:18,072 INFO L158 Benchmark]: Toolchain (without parser) took 1582.64ms. Allocated memory is still 77.6MB. Free memory was 41.8MB in the beginning and 51.8MB in the end (delta: -10.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2021-11-23 15:43:18,077 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 77.6MB. Free memory was 59.9MB in the beginning and 59.8MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:18,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.09ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 54.0MB in the end (delta: -12.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-23 15:43:18,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.32ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 51.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:18,081 INFO L158 Benchmark]: Boogie Preprocessor took 36.33ms. Allocated memory is still 77.6MB. Free memory was 51.6MB in the beginning and 49.8MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:43:18,082 INFO L158 Benchmark]: RCFGBuilder took 924.71ms. Allocated memory is still 77.6MB. Free memory was 49.8MB in the beginning and 51.8MB in the end (delta: -2.0MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-11-23 15:43:18,086 INFO L339 ainManager$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 77.6MB. Free memory was 59.9MB in the beginning and 59.8MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.09ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 54.0MB in the end (delta: -12.4MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.32ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 51.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.33ms. Allocated memory is still 77.6MB. Free memory was 51.6MB in the beginning and 49.8MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 924.71ms. Allocated memory is still 77.6MB. Free memory was 49.8MB in the beginning and 51.8MB in the end (delta: -2.0MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:43:18,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53409b83-097e-4de5-a772-c814a419fafa/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