./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/list-ext_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/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_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/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_443363be-42f7-435e-a2f7-cdeaa9bd5d51/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 e978ccdde62c7126e7c77a584896efdc6e7afe04b6752d127d7236cecdea192f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:09,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:09,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:09,254 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:09,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:09,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:09,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:09,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:09,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:09,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:09,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:09,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:09,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:09,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:09,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:09,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:09,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:09,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:09,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:09,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:09,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:09,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:09,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:09,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:09,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:09,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:09,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:09,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:09,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:09,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:09,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:09,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:09,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:09,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:09,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:09,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:09,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:09,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:09,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:09,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:09,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:09,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:43:09,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:09,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:09,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:09,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:09,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:09,375 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:09,376 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:43:09,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:43:09,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:09,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:09,377 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:43:09,377 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:43:09,377 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:43:09,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:09,378 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:09,378 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:09,378 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:09,378 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:09,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:09,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:09,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:09,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:09,380 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:43:09,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:43:09,380 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_443363be-42f7-435e-a2f7-cdeaa9bd5d51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e978ccdde62c7126e7c77a584896efdc6e7afe04b6752d127d7236cecdea192f [2021-11-23 15:43:09,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:09,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:09,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:09,637 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:09,639 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:09,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext-properties/list-ext_1.i [2021-11-23 15:43:09,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/data/b03e4c363/1eb39b4b0d684dc0945b76bafc723039/FLAG2c24fe767 [2021-11-23 15:43:10,277 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:10,279 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/sv-benchmarks/c/list-ext-properties/list-ext_1.i [2021-11-23 15:43:10,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/data/b03e4c363/1eb39b4b0d684dc0945b76bafc723039/FLAG2c24fe767 [2021-11-23 15:43:10,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/data/b03e4c363/1eb39b4b0d684dc0945b76bafc723039 [2021-11-23 15:43:10,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:10,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:10,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:10,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:10,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:10,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a13dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:10, skipping insertion in model container [2021-11-23 15:43:10,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:10" (1/1) ... [2021-11-23 15:43:10,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:10,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:11,001 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_443363be-42f7-435e-a2f7-cdeaa9bd5d51/sv-benchmarks/c/list-ext-properties/list-ext_1.i[23553,23566] [2021-11-23 15:43:11,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:11,026 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:11,092 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_443363be-42f7-435e-a2f7-cdeaa9bd5d51/sv-benchmarks/c/list-ext-properties/list-ext_1.i[23553,23566] [2021-11-23 15:43:11,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:11,133 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:11,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11 WrapperNode [2021-11-23 15:43:11,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:11,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:11,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:11,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:11,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,179 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,220 INFO L137 Inliner]: procedures = 124, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 137 [2021-11-23 15:43:11,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:11,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:11,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:11,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:11,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:11,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:11,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:11,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:11,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:11" (1/1) ... [2021-11-23 15:43:11,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:11,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:11,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:11,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:43:11,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:43:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:43:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:43:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:43:11,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:43:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:43:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:11,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:11,457 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:11,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:11,479 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:43:11,484 INFO L158 Benchmark]: Toolchain (without parser) took 884.23ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 54.9MB in the end (delta: 10.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 15:43:11,485 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 100.7MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:11,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.78ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 66.2MB in the end (delta: -788.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:43:11,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.95ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 64.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:11,487 INFO L158 Benchmark]: Boogie Preprocessor took 52.41ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 62.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:11,488 INFO L158 Benchmark]: RCFGBuilder took 202.22ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 54.9MB in the end (delta: 7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:43:11,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 100.7MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.78ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 66.2MB in the end (delta: -788.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.95ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 64.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.41ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 62.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 202.22ms. Allocated memory is still 100.7MB. Free memory was 62.4MB in the beginning and 54.9MB in the end (delta: 7.5MB). Peak memory consumption was 10.5MB. 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.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:43:11,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/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_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/list-ext_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/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_443363be-42f7-435e-a2f7-cdeaa9bd5d51/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 e978ccdde62c7126e7c77a584896efdc6e7afe04b6752d127d7236cecdea192f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:43:13,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:43:13,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:43:13,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:43:13,919 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:43:13,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:43:13,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:43:13,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:43:13,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:43:13,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:43:13,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:43:13,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:43:13,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:43:13,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:43:13,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:43:13,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:43:13,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:43:13,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:43:13,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:43:13,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:43:13,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:43:13,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:43:13,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:43:13,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:43:13,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:43:13,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:43:13,986 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:43:13,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:43:13,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:43:13,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:43:13,990 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:43:13,991 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:43:13,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:43:13,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:43:13,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:43:13,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:43:13,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:43:13,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:43:13,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:43:14,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:43:14,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:43:14,006 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:43:14,049 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:43:14,049 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:43:14,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:43:14,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:43:14,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:43:14,053 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:43:14,053 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:43:14,054 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:43:14,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:43:14,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:43:14,055 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:43:14,055 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:43:14,056 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:43:14,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:43:14,056 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:43:14,056 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:43:14,057 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:43:14,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:43:14,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:43:14,057 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:43:14,057 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:43:14,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:43:14,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:14,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:43:14,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:43:14,059 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:43:14,059 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:43:14,059 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:43:14,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:43:14,059 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_443363be-42f7-435e-a2f7-cdeaa9bd5d51/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e978ccdde62c7126e7c77a584896efdc6e7afe04b6752d127d7236cecdea192f [2021-11-23 15:43:14,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:43:14,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:43:14,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:43:14,509 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:43:14,510 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:43:14,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext-properties/list-ext_1.i [2021-11-23 15:43:14,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/data/2eb939a6a/26847200dcbb4d7aad3d887fac8ecdea/FLAGd95f94401 [2021-11-23 15:43:15,161 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:43:15,162 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/sv-benchmarks/c/list-ext-properties/list-ext_1.i [2021-11-23 15:43:15,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/data/2eb939a6a/26847200dcbb4d7aad3d887fac8ecdea/FLAGd95f94401 [2021-11-23 15:43:15,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/data/2eb939a6a/26847200dcbb4d7aad3d887fac8ecdea [2021-11-23 15:43:15,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:43:15,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:43:15,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:15,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:43:15,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:43:15,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:15" (1/1) ... [2021-11-23 15:43:15,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a10329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:15, skipping insertion in model container [2021-11-23 15:43:15,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:43:15" (1/1) ... [2021-11-23 15:43:15,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:43:15,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:43:15,898 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_443363be-42f7-435e-a2f7-cdeaa9bd5d51/sv-benchmarks/c/list-ext-properties/list-ext_1.i[23553,23566] [2021-11-23 15:43:15,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:15,937 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:43:16,003 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_443363be-42f7-435e-a2f7-cdeaa9bd5d51/sv-benchmarks/c/list-ext-properties/list-ext_1.i[23553,23566] [2021-11-23 15:43:16,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:43:16,038 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:43:16,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16 WrapperNode [2021-11-23 15:43:16,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:43:16,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:16,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:43:16,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:43:16,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,092 INFO L137 Inliner]: procedures = 127, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 126 [2021-11-23 15:43:16,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:43:16,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:43:16,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:43:16,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:43:16,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:43:16,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:43:16,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:43:16,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:43:16,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:43:16" (1/1) ... [2021-11-23 15:43:16,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:43:16,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:43:16,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:43:16,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:43:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:43:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:43:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:43:16,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:43:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:43:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:43:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:43:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:43:16,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:43:16,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:43:16,306 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:43:16,308 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:16,331 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:43:16,336 INFO L158 Benchmark]: Toolchain (without parser) took 880.27ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 24.6MB in the end (delta: 14.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-11-23 15:43:16,337 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:16,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.40ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 36.1MB in the end (delta: 3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:43:16,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.48ms. Allocated memory is still 60.8MB. Free memory was 36.1MB in the beginning and 33.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:16,339 INFO L158 Benchmark]: Boogie Preprocessor took 38.21ms. Allocated memory is still 60.8MB. Free memory was 33.8MB in the beginning and 31.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:43:16,340 INFO L158 Benchmark]: RCFGBuilder took 201.95ms. Allocated memory is still 60.8MB. Free memory was 31.9MB in the beginning and 24.6MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:43:16,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.40ms. Allocated memory is still 60.8MB. Free memory was 39.1MB in the beginning and 36.1MB in the end (delta: 3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.48ms. Allocated memory is still 60.8MB. Free memory was 36.1MB in the beginning and 33.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.21ms. Allocated memory is still 60.8MB. Free memory was 33.8MB in the beginning and 31.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 201.95ms. Allocated memory is still 60.8MB. Free memory was 31.9MB in the beginning and 24.6MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. 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 15:43:16,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_443363be-42f7-435e-a2f7-cdeaa9bd5d51/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