./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_update_all.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_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/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_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/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_5bc32abe-f5e2-4096-aceb-43d4fa898871/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 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:20,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:20,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:20,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:20,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:20,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:20,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:20,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:20,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:20,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:20,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:20,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:20,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:20,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:20,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:20,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:20,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:20,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:20,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:20,122 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:20,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:20,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:20,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:20,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:20,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:20,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:20,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:20,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:20,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:20,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:20,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:20,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:20,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:20,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:20,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:20,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:20,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:20,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:20,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:20,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:20,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:20,153 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:53:20,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:20,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:20,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:20,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:20,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:20,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:20,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:53:20,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:20,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:20,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:20,211 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:53:20,211 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:53:20,212 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:53:20,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:20,212 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:20,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:20,213 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:20,213 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:20,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:20,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:20,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:20,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:20,214 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:20,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:20,215 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_5bc32abe-f5e2-4096-aceb-43d4fa898871/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2021-11-23 15:53:20,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:20,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:20,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:20,524 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:20,525 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:20,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2021-11-23 15:53:20,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/data/782a768b1/a28837e33e6e4638b0d63c9317c99a2f/FLAGd11374123 [2021-11-23 15:53:21,132 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:21,133 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/sv-benchmarks/c/list-simple/dll2c_update_all.i [2021-11-23 15:53:21,153 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/data/782a768b1/a28837e33e6e4638b0d63c9317c99a2f/FLAGd11374123 [2021-11-23 15:53:21,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/data/782a768b1/a28837e33e6e4638b0d63c9317c99a2f [2021-11-23 15:53:21,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:21,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:21,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:21,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:21,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:21,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:21,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d36e81c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21, skipping insertion in model container [2021-11-23 15:53:21,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:21,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:21,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:21,840 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_5bc32abe-f5e2-4096-aceb-43d4fa898871/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2021-11-23 15:53:21,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:21,851 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:21,914 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_5bc32abe-f5e2-4096-aceb-43d4fa898871/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2021-11-23 15:53:21,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:21,959 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:21,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21 WrapperNode [2021-11-23 15:53:21,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:21,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:21,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:21,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:21,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:22,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:22,046 INFO L137 Inliner]: procedures = 126, calls = 29, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 151 [2021-11-23 15:53:22,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:22,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:22,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:22,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:22,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:22,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:22,079 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:22,079 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:22,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:22,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:22,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:22,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:22,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:22,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:22,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:22,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:21" (1/1) ... [2021-11-23 15:53:22,138 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:22,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:22,165 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:22,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:53:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:53:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:53:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:53:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:53:22,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:22,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:22,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:22,402 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:22,403 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:22,431 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:53:22,437 INFO L158 Benchmark]: Toolchain (without parser) took 984.90ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 56.3MB in the beginning and 79.4MB in the end (delta: -23.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 15:53:22,438 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:22,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.10ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 56.1MB in the beginning and 91.2MB in the end (delta: -35.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:22,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.02ms. Allocated memory is still 123.7MB. Free memory was 91.2MB in the beginning and 89.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:22,442 INFO L158 Benchmark]: Boogie Preprocessor took 70.60ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:22,443 INFO L158 Benchmark]: RCFGBuilder took 314.19ms. Allocated memory is still 123.7MB. Free memory was 87.0MB in the beginning and 79.4MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:22,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 62.8MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.10ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 56.1MB in the beginning and 91.2MB in the end (delta: -35.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.02ms. Allocated memory is still 123.7MB. Free memory was 91.2MB in the beginning and 89.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.60ms. Allocated memory is still 123.7MB. Free memory was 89.1MB in the beginning and 87.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.19ms. Allocated memory is still 123.7MB. Free memory was 87.0MB in the beginning and 79.4MB in the end (delta: 7.7MB). 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 15:53:22,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/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_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/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_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_update_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/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_5bc32abe-f5e2-4096-aceb-43d4fa898871/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 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:24,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:24,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:24,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:24,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:24,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:24,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:25,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:25,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:25,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:25,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:25,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:25,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:25,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:25,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:25,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:25,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:25,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:25,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:25,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:25,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:25,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:25,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:25,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:25,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:25,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:25,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:25,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:25,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:25,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:25,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:25,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:25,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:25,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:25,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:25,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:25,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:25,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:25,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:25,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:25,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:25,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:25,114 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:25,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:25,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:25,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:25,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:25,118 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:25,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:53:25,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:25,119 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:25,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:25,121 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:53:25,121 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:53:25,121 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:53:25,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:25,122 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:25,122 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:25,122 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:25,122 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:25,123 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:25,123 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:25,123 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:25,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:25,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:25,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:25,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:25,124 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:25,125 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:25,125 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:25,125 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:25,125 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_5bc32abe-f5e2-4096-aceb-43d4fa898871/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bfeee33a1b1d098a34bec7a761d4de16bc595043f21d77f5851cba758b79f34 [2021-11-23 15:53:25,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:25,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:25,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:25,538 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:25,539 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:25,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/dll2c_update_all.i [2021-11-23 15:53:25,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/data/06293518d/d09a12c9fb434170aa3a4aeb8ecdd1ea/FLAG85b420df1 [2021-11-23 15:53:26,186 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:26,187 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/sv-benchmarks/c/list-simple/dll2c_update_all.i [2021-11-23 15:53:26,209 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/data/06293518d/d09a12c9fb434170aa3a4aeb8ecdd1ea/FLAG85b420df1 [2021-11-23 15:53:26,460 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/data/06293518d/d09a12c9fb434170aa3a4aeb8ecdd1ea [2021-11-23 15:53:26,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:26,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:26,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:26,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:26,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:26,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:26,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c86a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26, skipping insertion in model container [2021-11-23 15:53:26,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:26,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:26,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:26,842 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_5bc32abe-f5e2-4096-aceb-43d4fa898871/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2021-11-23 15:53:26,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:26,857 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:26,899 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_5bc32abe-f5e2-4096-aceb-43d4fa898871/sv-benchmarks/c/list-simple/dll2c_update_all.i[24538,24551] [2021-11-23 15:53:26,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:26,956 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:26,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26 WrapperNode [2021-11-23 15:53:26,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:26,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:26,960 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:26,960 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:26,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:27,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:27,054 INFO L137 Inliner]: procedures = 129, calls = 29, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 151 [2021-11-23 15:53:27,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:27,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:27,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:27,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:27,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:27,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:27,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:27,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:27,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:27,096 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:27,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:27,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:27,104 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:27,104 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:27,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:27,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:26" (1/1) ... [2021-11-23 15:53:27,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:27,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:27,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:27,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:53:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:53:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:53:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:53:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:53:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:27,295 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:27,297 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:27,333 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:53:27,336 INFO L158 Benchmark]: Toolchain (without parser) took 871.45ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 44.4MB in the end (delta: -3.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2021-11-23 15:53:27,337 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:27,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.78ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 38.0MB in the end (delta: 3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:53:27,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.54ms. Allocated memory is still 62.9MB. Free memory was 37.8MB in the beginning and 35.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:27,339 INFO L158 Benchmark]: Boogie Preprocessor took 48.02ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 33.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:27,340 INFO L158 Benchmark]: RCFGBuilder took 230.42ms. Allocated memory is still 62.9MB. Free memory was 33.3MB in the beginning and 44.4MB in the end (delta: -11.1MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-23 15:53:27,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.78ms. Allocated memory is still 62.9MB. Free memory was 41.2MB in the beginning and 38.0MB in the end (delta: 3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.54ms. Allocated memory is still 62.9MB. Free memory was 37.8MB in the beginning and 35.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.02ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 33.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 230.42ms. Allocated memory is still 62.9MB. Free memory was 33.3MB in the beginning and 44.4MB in the end (delta: -11.1MB). Peak memory consumption was 12.7MB. 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 15:53:27,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5bc32abe-f5e2-4096-aceb-43d4fa898871/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