./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0235-3.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_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/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_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0235-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/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_06b39609-7b40-4928-b195-3de292ad6e5b/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 02c65307022e35fe6a7161faa785e5b34e94ccda4b82967e279eadaf3aa37bc3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:29,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:29,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:29,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:29,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:29,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:29,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:29,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:29,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:29,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:29,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:29,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:29,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:29,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:29,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:29,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:29,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:29,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:29,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:29,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:29,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:29,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:29,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:29,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:29,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:29,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:29,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:29,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:29,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:29,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:29,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:29,117 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:29,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:29,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:29,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:29,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:29,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:29,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:29,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:29,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:29,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:29,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:51:29,175 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:29,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:29,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:29,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:29,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:29,182 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:29,182 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:51:29,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:29,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:29,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:29,190 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:51:29,190 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:51:29,191 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:51:29,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:29,191 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:29,191 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:29,191 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:29,192 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:29,192 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:29,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:29,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:29,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:29,193 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:29,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:29,193 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_06b39609-7b40-4928-b195-3de292ad6e5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02c65307022e35fe6a7161faa785e5b34e94ccda4b82967e279eadaf3aa37bc3 [2021-11-23 15:51:29,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:29,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:29,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:29,518 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:29,519 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:29,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety/test-0235-3.i [2021-11-23 15:51:29,598 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/data/a151302be/4cb6546f792e4619a06f0c9c051c1858/FLAG96014f900 [2021-11-23 15:51:30,168 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:30,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/sv-benchmarks/c/memsafety/test-0235-3.i [2021-11-23 15:51:30,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/data/a151302be/4cb6546f792e4619a06f0c9c051c1858/FLAG96014f900 [2021-11-23 15:51:30,463 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/data/a151302be/4cb6546f792e4619a06f0c9c051c1858 [2021-11-23 15:51:30,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:30,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:30,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:30,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:30,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:30,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:30" (1/1) ... [2021-11-23 15:51:30,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256096f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:30, skipping insertion in model container [2021-11-23 15:51:30,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:30" (1/1) ... [2021-11-23 15:51:30,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:30,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:31,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:31,051 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:31,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:31,156 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:31,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:31 WrapperNode [2021-11-23 15:51:31,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:31,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:31,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:31,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:31,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:31" (1/1) ... [2021-11-23 15:51:31,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:31" (1/1) ... [2021-11-23 15:51:31,285 INFO L137 Inliner]: procedures = 188, calls = 73, calls flagged for inlining = 26, calls inlined = 60, statements flattened = 938 [2021-11-23 15:51:31,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:31,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:31,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:31,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:31,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:31" (1/1) ... [2021-11-23 15:51:31,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:31" (1/1) ... [2021-11-23 15:51:31,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:31" (1/1) ... [2021-11-23 15:51:31,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:31" (1/1) ... [2021-11-23 15:51:31,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:31" (1/1) ... [2021-11-23 15:51:31,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:31" (1/1) ... [2021-11-23 15:51:31,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:31" (1/1) ... [2021-11-23 15:51:31,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:31,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:31,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:31,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:31,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:31" (1/1) ... [2021-11-23 15:51:31,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:31,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:31,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:51:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:51:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:51:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:51:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:51:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:31,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:31,637 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:31,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:33,266 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:33,372 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:51:33,378 INFO L158 Benchmark]: Toolchain (without parser) took 2905.93ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 69.2MB in the beginning and 46.1MB in the end (delta: 23.1MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:33,379 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 102.8MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:33,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.96ms. Allocated memory is still 102.8MB. Free memory was 69.0MB in the beginning and 64.5MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:33,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.89ms. Allocated memory is still 102.8MB. Free memory was 64.5MB in the beginning and 59.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:33,381 INFO L158 Benchmark]: Boogie Preprocessor took 112.39ms. Allocated memory is still 102.8MB. Free memory was 59.0MB in the beginning and 53.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:33,383 INFO L158 Benchmark]: RCFGBuilder took 1976.08ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 53.0MB in the beginning and 46.1MB in the end (delta: 6.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:33,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 102.8MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 682.96ms. Allocated memory is still 102.8MB. Free memory was 69.0MB in the beginning and 64.5MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.89ms. Allocated memory is still 102.8MB. Free memory was 64.5MB in the beginning and 59.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 112.39ms. Allocated memory is still 102.8MB. Free memory was 59.0MB in the beginning and 53.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1976.08ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 53.0MB in the beginning and 46.1MB in the end (delta: 6.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:33,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/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_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/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_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0235-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/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_06b39609-7b40-4928-b195-3de292ad6e5b/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 02c65307022e35fe6a7161faa785e5b34e94ccda4b82967e279eadaf3aa37bc3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:36,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:36,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:36,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:36,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:36,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:36,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:36,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:36,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:36,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:36,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:36,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:36,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:36,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:36,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:36,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:36,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:36,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:36,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:36,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:36,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:36,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:36,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:36,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:36,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:36,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:36,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:36,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:36,161 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:36,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:36,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:36,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:36,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:36,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:36,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:36,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:36,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:36,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:36,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:36,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:36,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:36,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:51:36,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:36,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:36,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:36,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:36,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:36,225 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:36,225 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:51:36,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:36,225 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:36,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:36,226 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:51:36,226 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:51:36,226 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:51:36,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:36,227 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:51:36,227 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:51:36,227 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:51:36,227 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:36,227 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:36,228 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:36,228 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:36,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:36,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:36,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:36,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:36,229 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:51:36,229 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:51:36,229 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:51:36,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:51:36,230 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_06b39609-7b40-4928-b195-3de292ad6e5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02c65307022e35fe6a7161faa785e5b34e94ccda4b82967e279eadaf3aa37bc3 [2021-11-23 15:51:36,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:36,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:36,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:36,665 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:36,666 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:36,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety/test-0235-3.i [2021-11-23 15:51:36,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/data/8d7a9b06e/646ef6d2ba0941ddaeb17dd6e969f7be/FLAG5ac0435ae [2021-11-23 15:51:37,463 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:37,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/sv-benchmarks/c/memsafety/test-0235-3.i [2021-11-23 15:51:37,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/data/8d7a9b06e/646ef6d2ba0941ddaeb17dd6e969f7be/FLAG5ac0435ae [2021-11-23 15:51:37,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/data/8d7a9b06e/646ef6d2ba0941ddaeb17dd6e969f7be [2021-11-23 15:51:37,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:37,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:37,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:37,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:37,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:37,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:37,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9eab69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:37, skipping insertion in model container [2021-11-23 15:51:37,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:37" (1/1) ... [2021-11-23 15:51:37,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:37,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:38,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:38,292 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:38,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:38,437 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:38,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38 WrapperNode [2021-11-23 15:51:38,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:38,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:38,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:38,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:38,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,569 INFO L137 Inliner]: procedures = 189, calls = 73, calls flagged for inlining = 26, calls inlined = 60, statements flattened = 934 [2021-11-23 15:51:38,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:38,570 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:38,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:38,571 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:38,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:38,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:38,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:38,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:38,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:38" (1/1) ... [2021-11-23 15:51:38,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:38,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:38,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:38,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:51:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:51:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:51:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:51:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:51:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:51:38,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:38,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:38,927 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:38,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:41,395 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:41,572 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:51:41,576 INFO L158 Benchmark]: Toolchain (without parser) took 3802.56ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 62.3MB in the beginning and 63.0MB in the end (delta: -649.0kB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2021-11-23 15:51:41,577 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 77.6MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:41,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 663.83ms. Allocated memory is still 77.6MB. Free memory was 62.2MB in the beginning and 40.0MB in the end (delta: 22.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:51:41,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.00ms. Allocated memory is still 77.6MB. Free memory was 40.0MB in the beginning and 58.5MB in the end (delta: -18.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:41,579 INFO L158 Benchmark]: Boogie Preprocessor took 133.97ms. Allocated memory is still 77.6MB. Free memory was 58.5MB in the beginning and 52.1MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:41,580 INFO L158 Benchmark]: RCFGBuilder took 2869.05ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 52.1MB in the beginning and 63.0MB in the end (delta: -10.9MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:41,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 77.6MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 663.83ms. Allocated memory is still 77.6MB. Free memory was 62.2MB in the beginning and 40.0MB in the end (delta: 22.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.00ms. Allocated memory is still 77.6MB. Free memory was 40.0MB in the beginning and 58.5MB in the end (delta: -18.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.97ms. Allocated memory is still 77.6MB. Free memory was 58.5MB in the beginning and 52.1MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2869.05ms. Allocated memory was 77.6MB in the beginning and 111.1MB in the end (delta: 33.6MB). Free memory was 52.1MB in the beginning and 63.0MB in the end (delta: -10.9MB). Peak memory consumption was 38.4MB. 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 15:51:41,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06b39609-7b40-4928-b195-3de292ad6e5b/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