./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/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_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/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_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/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 c0706d1a5964bb8391155a217bd6084c2519a4607ef121976461541c97aecebc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:29,011 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:29,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:29,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:29,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:29,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:29,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:29,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:29,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:29,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:29,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:29,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:29,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:29,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:29,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:29,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:29,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:29,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:29,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:29,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:29,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:29,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:29,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:29,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:29,091 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:29,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:29,092 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:29,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:29,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:29,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:29,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:29,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:29,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:29,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:29,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:29,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:29,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:29,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:29,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:29,105 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:29,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:29,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:55:29,136 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:29,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:29,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:29,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:29,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:29,140 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:29,140 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:55:29,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:29,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:29,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:29,142 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:55:29,143 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:55:29,143 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:55:29,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:29,144 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:29,144 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:29,145 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:29,145 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:29,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:29,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:29,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:29,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:29,148 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:29,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:29,148 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_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0706d1a5964bb8391155a217bd6084c2519a4607ef121976461541c97aecebc [2021-11-23 15:55:29,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:29,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:29,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:29,474 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:29,476 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:29,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i [2021-11-23 15:55:29,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/data/986480711/cf8b217737ef4c97af6131d7b488a2c8/FLAG7784412d2 [2021-11-23 15:55:30,213 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:30,214 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i [2021-11-23 15:55:30,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/data/986480711/cf8b217737ef4c97af6131d7b488a2c8/FLAG7784412d2 [2021-11-23 15:55:30,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/data/986480711/cf8b217737ef4c97af6131d7b488a2c8 [2021-11-23 15:55:30,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:30,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:30,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:30,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:30,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:30,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47200b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:30, skipping insertion in model container [2021-11-23 15:55:30,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:30" (1/1) ... [2021-11-23 15:55:30,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:30,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:30,920 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_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i[24092,24105] [2021-11-23 15:55:30,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:30,932 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:30,981 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_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i[24092,24105] [2021-11-23 15:55:30,982 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:31,023 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:31,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31 WrapperNode [2021-11-23 15:55:31,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:31,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:31,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:31,027 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:31,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,117 INFO L137 Inliner]: procedures = 122, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2021-11-23 15:55:31,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:31,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:31,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:31,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:31,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:31,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:31,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:31,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:31,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:31,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:31,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:31,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:31,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:31,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:31,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:31,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:31,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:31,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:31,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:31,460 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:31,462 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:31,486 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:31,491 INFO L158 Benchmark]: Toolchain (without parser) took 1040.27ms. Allocated memory is still 111.1MB. Free memory was 68.7MB in the beginning and 68.4MB in the end (delta: 263.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:31,492 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:31,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.39ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 79.7MB in the end (delta: -11.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:31,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.16ms. Allocated memory is still 111.1MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:31,495 INFO L158 Benchmark]: Boogie Preprocessor took 74.28ms. Allocated memory is still 111.1MB. Free memory was 77.6MB in the beginning and 76.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:31,496 INFO L158 Benchmark]: RCFGBuilder took 292.46ms. Allocated memory is still 111.1MB. Free memory was 75.9MB in the beginning and 68.4MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:31,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 111.1MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.39ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 79.7MB in the end (delta: -11.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.16ms. Allocated memory is still 111.1MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.28ms. Allocated memory is still 111.1MB. Free memory was 77.6MB in the beginning and 76.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.46ms. Allocated memory is still 111.1MB. Free memory was 75.9MB in the beginning and 68.4MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:31,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/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_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/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_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/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_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/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 c0706d1a5964bb8391155a217bd6084c2519a4607ef121976461541c97aecebc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:34,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:34,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:34,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:34,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:34,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:34,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:34,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:34,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:34,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:34,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:34,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:34,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:34,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:34,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:34,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:34,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:34,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:34,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:34,517 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:34,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:34,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:34,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:34,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:34,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:34,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:34,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:34,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:34,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:34,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:34,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:34,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:34,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:34,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:34,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:34,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:34,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:34,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:34,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:34,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:34,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:34,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:34,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:34,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:34,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:34,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:34,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:34,602 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:34,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:55:34,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:34,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:34,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:34,604 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:55:34,604 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:55:34,604 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:55:34,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:34,605 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:34,605 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:34,605 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:34,605 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:34,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:34,606 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:34,606 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:34,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:34,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:34,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:34,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:34,608 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:34,608 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:34,608 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:34,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:34,609 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_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0706d1a5964bb8391155a217bd6084c2519a4607ef121976461541c97aecebc [2021-11-23 15:55:35,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:35,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:35,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:35,053 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:35,056 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:35,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i [2021-11-23 15:55:35,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/data/b2f73dfaa/1ca309d214544272a0559a0b5107e039/FLAG19223e39f [2021-11-23 15:55:35,891 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:35,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i [2021-11-23 15:55:35,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/data/b2f73dfaa/1ca309d214544272a0559a0b5107e039/FLAG19223e39f [2021-11-23 15:55:36,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/data/b2f73dfaa/1ca309d214544272a0559a0b5107e039 [2021-11-23 15:55:36,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:36,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:36,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:36,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:36,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:36,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40229159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36, skipping insertion in model container [2021-11-23 15:55:36,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:36,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:36,638 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_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i[24092,24105] [2021-11-23 15:55:36,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:36,657 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:36,721 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_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/sv-benchmarks/c/list-ext3-properties/sll_circular_traversal-2.i[24092,24105] [2021-11-23 15:55:36,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:36,782 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:36,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36 WrapperNode [2021-11-23 15:55:36,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:36,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:36,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:36,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:36,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,872 INFO L137 Inliner]: procedures = 125, calls = 22, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 95 [2021-11-23 15:55:36,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:36,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:36,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:36,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:36,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:36,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:36,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:36,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:36,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:36" (1/1) ... [2021-11-23 15:55:36,979 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:36,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:37,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:37,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:37,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:37,208 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:37,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:37,249 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:37,258 INFO L158 Benchmark]: Toolchain (without parser) took 1095.16ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.8MB in the beginning and 52.7MB in the end (delta: -16.9MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:37,260 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:37,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.63ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.6MB in the beginning and 47.3MB in the end (delta: -11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:37,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.37ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 45.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:37,264 INFO L158 Benchmark]: Boogie Preprocessor took 94.31ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 43.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:37,265 INFO L158 Benchmark]: RCFGBuilder took 285.30ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 52.7MB in the end (delta: -9.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:37,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.63ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.6MB in the beginning and 47.3MB in the end (delta: -11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.37ms. Allocated memory is still 71.3MB. Free memory was 47.3MB in the beginning and 45.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.31ms. Allocated memory is still 71.3MB. Free memory was 45.1MB in the beginning and 43.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 285.30ms. Allocated memory is still 71.3MB. Free memory was 43.4MB in the beginning and 52.7MB in the end (delta: -9.3MB). Peak memory consumption was 12.6MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:37,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d63adaeb-9eb4-4b2b-89c3-b6deaa07a4d5/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