./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c --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_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/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_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/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_a734de11-ed35-433f-a488-8efc8d355c92/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 bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:51,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:51,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:51,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:51,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:51,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:51,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:51,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:51,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:51,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:51,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:51,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:51,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:51,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:51,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:51,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:51,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:51,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:51,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:51,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:51,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:51,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:51,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:51,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:51,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:51,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:51,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:51,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:51,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:51,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:51,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:51,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:51,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:51,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:52,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:52,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:52,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:52,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:52,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:52,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:52,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:52,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:33:52,054 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:52,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:52,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:52,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:52,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:52,058 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:52,058 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:33:52,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:52,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:52,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:52,061 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:33:52,061 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:33:52,061 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:33:52,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:52,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:52,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:52,062 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:52,063 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:52,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:52,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:52,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:52,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:52,064 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:52,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:52,064 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_a734de11-ed35-433f-a488-8efc8d355c92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec [2021-11-23 15:33:52,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:52,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:52,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:52,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:52,394 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:52,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2021-11-23 15:33:52,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/data/8e43e7b45/0776621441344c39992a9cd9e5731b03/FLAG8c5466ba1 [2021-11-23 15:33:53,026 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:53,026 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2021-11-23 15:33:53,043 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/data/8e43e7b45/0776621441344c39992a9cd9e5731b03/FLAG8c5466ba1 [2021-11-23 15:33:53,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/data/8e43e7b45/0776621441344c39992a9cd9e5731b03 [2021-11-23 15:33:53,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:53,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:53,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:53,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:53,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:53,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:53" (1/1) ... [2021-11-23 15:33:53,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e67fae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:53, skipping insertion in model container [2021-11-23 15:33:53,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:53" (1/1) ... [2021-11-23 15:33:53,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:53,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:53,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2021-11-23 15:33:53,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:53,859 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:53,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2021-11-23 15:33:53,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:54,008 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:54,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54 WrapperNode [2021-11-23 15:33:54,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:54,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:54,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:54,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:54,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,128 INFO L137 Inliner]: procedures = 29, calls = 43, calls flagged for inlining = 38, calls inlined = 76, statements flattened = 1491 [2021-11-23 15:33:54,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:54,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:54,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:54,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:54,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:54,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:54,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:54,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:54,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:54,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:54,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:54,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:54,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:54,501 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:54,503 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:54,513 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:54,521 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:54,531 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:54,542 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:54,549 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:54,555 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:54,564 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:54,573 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:54,582 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:54,588 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:54,594 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:54,617 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:33:55,528 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-11-23 15:33:55,528 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-11-23 15:33:55,528 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-11-23 15:33:55,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-11-23 15:33:55,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2021-11-23 15:33:55,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2021-11-23 15:33:55,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2021-11-23 15:33:55,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2021-11-23 15:33:55,529 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2021-11-23 15:33:55,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2021-11-23 15:33:55,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-23 15:33:55,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-23 15:33:55,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2021-11-23 15:33:55,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2021-11-23 15:33:55,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2021-11-23 15:33:55,530 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2021-11-23 15:33:55,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2021-11-23 15:33:55,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2021-11-23 15:33:55,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2021-11-23 15:33:55,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2021-11-23 15:33:55,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2021-11-23 15:33:55,531 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2021-11-23 15:33:55,532 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2021-11-23 15:33:55,532 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2021-11-23 15:33:55,532 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:55,660 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:33:55,666 INFO L158 Benchmark]: Toolchain (without parser) took 2331.47ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 100.5MB in the beginning and 110.7MB in the end (delta: -10.3MB). Peak memory consumption was 68.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:55,667 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:55,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 674.09ms. Allocated memory is still 132.1MB. Free memory was 100.5MB in the beginning and 98.5MB in the end (delta: 2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:55,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.29ms. Allocated memory is still 132.1MB. Free memory was 98.5MB in the beginning and 92.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:55,671 INFO L158 Benchmark]: Boogie Preprocessor took 109.75ms. Allocated memory is still 132.1MB. Free memory was 92.2MB in the beginning and 88.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:55,672 INFO L158 Benchmark]: RCFGBuilder took 1420.94ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 88.0MB in the beginning and 110.7MB in the end (delta: -22.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:55,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 674.09ms. Allocated memory is still 132.1MB. Free memory was 100.5MB in the beginning and 98.5MB in the end (delta: 2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.29ms. Allocated memory is still 132.1MB. Free memory was 98.5MB in the beginning and 92.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.75ms. Allocated memory is still 132.1MB. Free memory was 92.2MB in the beginning and 88.6MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1420.94ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 88.0MB in the beginning and 110.7MB in the end (delta: -22.7MB). Peak memory consumption was 56.6MB. 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 15:33:55,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/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_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/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_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/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_a734de11-ed35-433f-a488-8efc8d355c92/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 bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:58,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:58,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:58,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:58,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:58,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:58,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:58,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:58,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:58,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:58,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:58,149 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:58,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:58,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:58,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:58,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:58,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:58,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:58,159 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:58,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:58,163 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:58,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:58,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:58,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:58,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:58,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:58,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:58,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:58,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:58,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:58,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:58,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:58,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:58,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:58,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:58,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:58,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:58,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:58,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:58,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:58,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:58,200 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:58,242 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:58,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:58,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:58,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:58,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:58,246 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:58,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:33:58,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:58,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:58,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:58,248 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:33:58,248 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:33:58,249 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:33:58,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:58,249 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:58,249 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:58,249 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:58,250 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:58,250 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:58,250 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:58,250 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:58,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:58,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:58,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:58,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:58,252 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:58,252 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:58,252 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:58,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:58,252 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_a734de11-ed35-433f-a488-8efc8d355c92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf75d7f1708750397c6bdac14ac08b964b10a95dcecc15b57a02c9969977c6ec [2021-11-23 15:33:58,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:58,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:58,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:58,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:58,645 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:58,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2021-11-23 15:33:58,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/data/d8bc5f0b0/009dbabff7c04b84a408331a713e11ae/FLAG402c23e2e [2021-11-23 15:33:59,412 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:59,412 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c [2021-11-23 15:33:59,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/data/d8bc5f0b0/009dbabff7c04b84a408331a713e11ae/FLAG402c23e2e [2021-11-23 15:33:59,702 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/data/d8bc5f0b0/009dbabff7c04b84a408331a713e11ae [2021-11-23 15:33:59,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:59,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:59,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:59,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:59,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:59,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcd6aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:59, skipping insertion in model container [2021-11-23 15:33:59,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:59" (1/1) ... [2021-11-23 15:33:59,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:59,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:34:00,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2021-11-23 15:34:00,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:00,068 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:34:00,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-1.c[29620,29633] [2021-11-23 15:34:00,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:34:00,179 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:34:00,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:00 WrapperNode [2021-11-23 15:34:00,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:34:00,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:00,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:34:00,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:34:00,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:00" (1/1) ... [2021-11-23 15:34:00,203 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:00" (1/1) ... [2021-11-23 15:34:00,284 INFO L137 Inliner]: procedures = 29, calls = 43, calls flagged for inlining = 38, calls inlined = 76, statements flattened = 1375 [2021-11-23 15:34:00,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:34:00,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:34:00,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:34:00,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:34:00,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:00" (1/1) ... [2021-11-23 15:34:00,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:00" (1/1) ... [2021-11-23 15:34:00,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:00" (1/1) ... [2021-11-23 15:34:00,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:00" (1/1) ... [2021-11-23 15:34:00,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:00" (1/1) ... [2021-11-23 15:34:00,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:00" (1/1) ... [2021-11-23 15:34:00,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:00" (1/1) ... [2021-11-23 15:34:00,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:34:00,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:34:00,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:34:00,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:34:00,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:00" (1/1) ... [2021-11-23 15:34:00,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:34:00,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:34:00,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:34:00,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:34:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:34:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:34:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:34:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:34:00,667 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:34:00,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:34:00,696 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:00,722 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:00,734 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:00,759 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:00,781 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:00,788 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:00,807 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:00,811 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:00,818 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:00,830 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:00,837 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:00,844 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:34:01,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-11-23 15:34:01,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-11-23 15:34:01,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-11-23 15:34:01,918 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-11-23 15:34:01,918 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##219: assume false; [2021-11-23 15:34:01,919 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##220: assume !false; [2021-11-23 15:34:01,919 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2021-11-23 15:34:01,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2021-11-23 15:34:01,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume !false; [2021-11-23 15:34:01,920 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##321: assume false; [2021-11-23 15:34:01,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-23 15:34:01,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-23 15:34:01,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2021-11-23 15:34:01,921 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2021-11-23 15:34:01,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume !false; [2021-11-23 15:34:01,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##45: assume false; [2021-11-23 15:34:01,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume false; [2021-11-23 15:34:01,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##141: assume !false; [2021-11-23 15:34:01,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume !false; [2021-11-23 15:34:01,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##388: assume false; [2021-11-23 15:34:01,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2021-11-23 15:34:01,922 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2021-11-23 15:34:01,923 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume !false; [2021-11-23 15:34:01,923 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##161: assume false; [2021-11-23 15:34:01,923 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:34:01,986 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 15:34:01,989 INFO L158 Benchmark]: Toolchain (without parser) took 2280.85ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 33.6MB in the beginning and 30.8MB in the end (delta: 2.8MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-11-23 15:34:01,990 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 56.6MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:01,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.50ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 30.3MB in the end (delta: 3.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-23 15:34:01,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.27ms. Allocated memory is still 56.6MB. Free memory was 30.1MB in the beginning and 24.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:34:01,993 INFO L158 Benchmark]: Boogie Preprocessor took 119.65ms. Allocated memory is still 56.6MB. Free memory was 24.7MB in the beginning and 35.2MB in the end (delta: -10.5MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-11-23 15:34:01,993 INFO L158 Benchmark]: RCFGBuilder took 1581.58ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 35.0MB in the beginning and 30.8MB in the end (delta: 4.2MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-11-23 15:34:01,996 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 56.6MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.50ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 30.3MB in the end (delta: 3.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.27ms. Allocated memory is still 56.6MB. Free memory was 30.1MB in the beginning and 24.7MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.65ms. Allocated memory is still 56.6MB. Free memory was 24.7MB in the beginning and 35.2MB in the end (delta: -10.5MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1581.58ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 35.0MB in the beginning and 30.8MB in the end (delta: 4.2MB). Peak memory consumption was 25.5MB. 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 15:34:02,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a734de11-ed35-433f-a488-8efc8d355c92/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