./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.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_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/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_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/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_2805d514-8b4a-483e-955d-8f2c4ee41c77/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 b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:49,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:49,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:49,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:49,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:49,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:49,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:49,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:49,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:49,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:49,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:49,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:49,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:49,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:49,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:49,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:49,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:49,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:49,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:49,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:49,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:49,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:49,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:49,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:49,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:49,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:49,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:49,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:49,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:49,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:49,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:49,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:49,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:49,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:49,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:49,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:49,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:49,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:49,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:49,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:49,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:49,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:57:49,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:49,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:49,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:49,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:49,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:49,319 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:49,319 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:57:49,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:49,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:49,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:49,321 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:57:49,322 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:57:49,322 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:57:49,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:49,323 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:49,323 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:49,323 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:49,323 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:49,324 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:49,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:49,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:49,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:49,325 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:49,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:49,325 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_2805d514-8b4a-483e-955d-8f2c4ee41c77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 [2021-11-23 15:57:49,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:49,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:49,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:49,645 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:49,646 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:49,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2021-11-23 15:57:49,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/data/4d9dea60b/d4e68353bc8548dfbf24aad067ad42e0/FLAG3cac07ef5 [2021-11-23 15:57:50,271 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:50,272 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2021-11-23 15:57:50,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/data/4d9dea60b/d4e68353bc8548dfbf24aad067ad42e0/FLAG3cac07ef5 [2021-11-23 15:57:50,562 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/data/4d9dea60b/d4e68353bc8548dfbf24aad067ad42e0 [2021-11-23 15:57:50,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:50,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:50,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:50,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:50,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:50,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:50" (1/1) ... [2021-11-23 15:57:50,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49fa6c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:50, skipping insertion in model container [2021-11-23 15:57:50,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:50" (1/1) ... [2021-11-23 15:57:50,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:50,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:51,078 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_2805d514-8b4a-483e-955d-8f2c4ee41c77/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i[24872,24885] [2021-11-23 15:57:51,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:51,093 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:51,159 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_2805d514-8b4a-483e-955d-8f2c4ee41c77/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i[24872,24885] [2021-11-23 15:57:51,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:51,197 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:51,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51 WrapperNode [2021-11-23 15:57:51,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:51,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:51,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:51,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:51,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,283 INFO L137 Inliner]: procedures = 127, calls = 48, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 204 [2021-11-23 15:57:51,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:51,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:51,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:51,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:51,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:51,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:51,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:51,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:51,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:51,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:51,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:51,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:57:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:57:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:51,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:57:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:57:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:57:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:57:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:57:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:51,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:51,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:51,577 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:51,578 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:51,624 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:51,639 INFO L158 Benchmark]: Toolchain (without parser) took 1060.97ms. Allocated memory is still 100.7MB. Free memory was 57.0MB in the beginning and 54.7MB in the end (delta: 2.3MB). Peak memory consumption was 372.9kB. Max. memory is 16.1GB. [2021-11-23 15:57:51,639 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:51,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 625.82ms. Allocated memory is still 100.7MB. Free memory was 56.8MB in the beginning and 67.7MB in the end (delta: -10.9MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:51,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.82ms. Allocated memory is still 100.7MB. Free memory was 67.7MB in the beginning and 65.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:51,648 INFO L158 Benchmark]: Boogie Preprocessor took 58.54ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:51,649 INFO L158 Benchmark]: RCFGBuilder took 281.42ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 54.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:51,652 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 625.82ms. Allocated memory is still 100.7MB. Free memory was 56.8MB in the beginning and 67.7MB in the end (delta: -10.9MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.82ms. Allocated memory is still 100.7MB. Free memory was 67.7MB in the beginning and 65.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.54ms. Allocated memory is still 100.7MB. Free memory was 65.2MB in the beginning and 63.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.42ms. Allocated memory is still 100.7MB. Free memory was 63.1MB in the beginning and 54.7MB in the end (delta: 8.4MB). 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 15:57:51,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/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_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/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_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/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_2805d514-8b4a-483e-955d-8f2c4ee41c77/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 b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:54,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:54,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:54,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:54,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:54,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:54,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:54,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:54,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:54,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:54,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:54,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:54,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:54,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:54,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:54,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:54,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:54,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:54,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:54,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:54,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:54,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:54,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:54,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:54,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:54,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:54,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:54,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:54,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:54,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:54,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:54,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:54,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:54,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:54,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:54,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:54,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:54,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:54,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:54,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:54,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:54,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:54,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:54,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:54,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:54,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:54,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:54,177 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:54,177 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:57:54,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:54,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:54,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:54,179 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:57:54,179 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:57:54,179 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:57:54,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:54,180 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:54,180 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:54,181 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:54,181 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:54,181 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:54,181 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:54,182 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:54,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:54,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:54,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:54,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:54,183 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:54,184 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:54,184 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:54,184 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:54,184 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_2805d514-8b4a-483e-955d-8f2c4ee41c77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b415e0519ab150e9247d3d9d0133f92cfd07c34f9918f9ebd19cf8109bf4e7 [2021-11-23 15:57:54,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:54,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:54,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:54,632 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:54,633 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:54,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2021-11-23 15:57:54,714 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/data/cc5f88be7/08c85c9204224979a24ce07593d437dc/FLAGffb3bd35b [2021-11-23 15:57:55,403 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:55,406 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i [2021-11-23 15:57:55,427 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/data/cc5f88be7/08c85c9204224979a24ce07593d437dc/FLAGffb3bd35b [2021-11-23 15:57:55,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/data/cc5f88be7/08c85c9204224979a24ce07593d437dc [2021-11-23 15:57:55,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:55,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:55,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:55,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:55,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:55,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:55" (1/1) ... [2021-11-23 15:57:55,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49c27239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:55, skipping insertion in model container [2021-11-23 15:57:55,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:55" (1/1) ... [2021-11-23 15:57:55,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:55,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:56,076 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_2805d514-8b4a-483e-955d-8f2c4ee41c77/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i[24872,24885] [2021-11-23 15:57:56,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:56,096 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:56,141 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_2805d514-8b4a-483e-955d-8f2c4ee41c77/sv-benchmarks/c/list-simple/sll2c_insert_unequal.i[24872,24885] [2021-11-23 15:57:56,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:56,178 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:56,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56 WrapperNode [2021-11-23 15:57:56,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:56,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:56,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:56,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:56,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,240 INFO L137 Inliner]: procedures = 130, calls = 48, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 205 [2021-11-23 15:57:56,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:56,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:56,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:56,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:56,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:56,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:56,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:56,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:56,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:56" (1/1) ... [2021-11-23 15:57:56,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:56,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:56,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:56,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:57:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:57:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:57:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:57:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:57:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:57:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:57:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:56,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:56,558 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:56,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:56,636 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:56,640 INFO L158 Benchmark]: Toolchain (without parser) took 984.80ms. Allocated memory is still 79.7MB. Free memory was 57.4MB in the beginning and 41.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-23 15:57:56,643 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:56,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.57ms. Allocated memory is still 79.7MB. Free memory was 57.1MB in the beginning and 54.6MB in the end (delta: 2.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:56,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.53ms. Allocated memory is still 79.7MB. Free memory was 54.6MB in the beginning and 52.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:56,647 INFO L158 Benchmark]: Boogie Preprocessor took 40.47ms. Allocated memory is still 79.7MB. Free memory was 52.1MB in the beginning and 49.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:56,648 INFO L158 Benchmark]: RCFGBuilder took 351.46ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 41.1MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:56,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 54.5MB. Free memory was 35.2MB in the beginning and 35.1MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.57ms. Allocated memory is still 79.7MB. Free memory was 57.1MB in the beginning and 54.6MB in the end (delta: 2.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.53ms. Allocated memory is still 79.7MB. Free memory was 54.6MB in the beginning and 52.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.47ms. Allocated memory is still 79.7MB. Free memory was 52.1MB in the beginning and 49.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 351.46ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 41.1MB in the end (delta: 8.8MB). 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 15:57:56,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2805d514-8b4a-483e-955d-8f2c4ee41c77/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