./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/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_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:34,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:34,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:34,369 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:34,370 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:34,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:34,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:34,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:34,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:34,380 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:34,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:34,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:34,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:34,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:34,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:34,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:34,390 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:34,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:34,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:34,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:34,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:34,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:34,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:34,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:34,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:34,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:34,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:34,425 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:34,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:34,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:34,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:34,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:34,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:34,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:34,431 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:34,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:34,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:34,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:34,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:34,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:34,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:34,436 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:47:34,461 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:34,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:34,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:34,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:34,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:34,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:34,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:34,465 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:34,465 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:47:34,465 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:34,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:34,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:34,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:34,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:34,467 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:34,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:34,467 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:34,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:34,468 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:34,468 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:34,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:34,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:34,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:34,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:34,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:34,470 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:47:34,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:47:34,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:34,470 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_a9b3dc54-1a28-4e4e-9939-8129f7980909/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 [2021-11-23 15:47:34,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:34,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:34,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:34,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:34,768 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:34,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2021-11-23 15:47:34,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/data/0953f869a/2bbacdb25ce0453f8193ec27dc3274b2/FLAG3bc35af6f [2021-11-23 15:47:35,399 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:35,400 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2021-11-23 15:47:35,414 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/data/0953f869a/2bbacdb25ce0453f8193ec27dc3274b2/FLAG3bc35af6f [2021-11-23 15:47:35,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/data/0953f869a/2bbacdb25ce0453f8193ec27dc3274b2 [2021-11-23 15:47:35,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:35,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:35,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:35,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:35,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:35,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddef40b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35, skipping insertion in model container [2021-11-23 15:47:35,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:35,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:36,211 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_a9b3dc54-1a28-4e4e-9939-8129f7980909/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i[24989,25002] [2021-11-23 15:47:36,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:36,233 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:36,309 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_a9b3dc54-1a28-4e4e-9939-8129f7980909/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i[24989,25002] [2021-11-23 15:47:36,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:36,351 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:36,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36 WrapperNode [2021-11-23 15:47:36,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:36,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:36,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:36,355 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:36,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2021-11-23 15:47:36,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2021-11-23 15:47:36,442 INFO L137 Inliner]: procedures = 127, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 165 [2021-11-23 15:47:36,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:36,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:36,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:36,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:36,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2021-11-23 15:47:36,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2021-11-23 15:47:36,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2021-11-23 15:47:36,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2021-11-23 15:47:36,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2021-11-23 15:47:36,498 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2021-11-23 15:47:36,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2021-11-23 15:47:36,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:36,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:36,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:36,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:36,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:36" (1/1) ... [2021-11-23 15:47:36,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:36,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:36,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:36,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-23 15:47:36,610 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-23 15:47:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:47:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:47:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:47:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:47:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:47:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:47:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:47:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:47:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:47:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:36,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:36,744 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:36,746 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:36,755 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:47:36,760 INFO L158 Benchmark]: Toolchain (without parser) took 1027.20ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 48.6MB in the beginning and 70.0MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:36,760 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:36,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.50ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 48.3MB in the beginning and 81.8MB in the end (delta: -33.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:47:36,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.78ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 79.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:36,764 INFO L158 Benchmark]: Boogie Preprocessor took 76.19ms. Allocated memory is still 113.2MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:36,764 INFO L158 Benchmark]: RCFGBuilder took 236.82ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 70.0MB in the end (delta: 7.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:47:36,769 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory was 66.2MB in the beginning and 66.2MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.50ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 48.3MB in the beginning and 81.8MB in the end (delta: -33.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.78ms. Allocated memory is still 113.2MB. Free memory was 81.8MB in the beginning and 79.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.19ms. Allocated memory is still 113.2MB. Free memory was 79.4MB in the beginning and 77.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 236.82ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 70.0MB in the end (delta: 7.4MB). Peak memory consumption was 4.2MB. 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 15:47:36,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/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_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/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_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:39,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:39,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:39,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:39,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:39,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:39,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:39,478 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:39,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:39,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:39,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:39,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:39,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:39,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:39,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:39,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:39,495 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:39,496 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:39,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:39,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:39,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:39,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:39,511 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:39,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:39,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:39,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:39,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:39,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:39,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:39,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:39,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:39,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:39,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:39,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:39,527 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:39,527 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:39,528 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:39,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:39,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:39,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:39,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:39,532 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:47:39,557 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:39,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:39,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:39,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:39,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:39,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:39,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:39,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:39,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:39,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:39,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:39,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:39,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:39,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:47:39,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:47:39,562 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:47:39,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:39,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:39,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:39,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:39,563 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:39,564 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:39,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:39,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:39,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:39,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:39,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:39,565 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:47:39,565 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:47:39,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:39,566 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:47:39,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:47:39,566 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_a9b3dc54-1a28-4e4e-9939-8129f7980909/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97351642d4f3bf3f6d868e0a3719427b4c33bd5e0f87a93a325784728b912f03 [2021-11-23 15:47:39,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:39,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:39,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:39,985 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:39,991 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:39,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2021-11-23 15:47:40,079 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/data/2d7fec8b3/86d8a68bfc2b41a48b8b0d9c1d062317/FLAG163c6db0d [2021-11-23 15:47:40,780 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:40,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i [2021-11-23 15:47:40,794 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/data/2d7fec8b3/86d8a68bfc2b41a48b8b0d9c1d062317/FLAG163c6db0d [2021-11-23 15:47:41,035 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/data/2d7fec8b3/86d8a68bfc2b41a48b8b0d9c1d062317 [2021-11-23 15:47:41,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:41,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:41,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:41,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:41,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:41,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa9c16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41, skipping insertion in model container [2021-11-23 15:47:41,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:41,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:41,471 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_a9b3dc54-1a28-4e4e-9939-8129f7980909/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i[24989,25002] [2021-11-23 15:47:41,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:41,487 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:41,561 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_a9b3dc54-1a28-4e4e-9939-8129f7980909/sv-benchmarks/c/list-simple/dll2n_insert_unequal.i[24989,25002] [2021-11-23 15:47:41,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:41,599 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:41,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41 WrapperNode [2021-11-23 15:47:41,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:41,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:41,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:41,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:41,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,659 INFO L137 Inliner]: procedures = 130, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 166 [2021-11-23 15:47:41,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:41,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:41,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:41,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:41,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:41,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:41,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:41,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:41,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:41,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:41,759 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:41,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-23 15:47:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-23 15:47:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:47:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:47:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:47:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:47:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:47:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:47:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:47:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:47:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:47:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:41,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:42,017 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:42,019 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:42,028 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:47:42,032 INFO L158 Benchmark]: Toolchain (without parser) took 990.20ms. Allocated memory is still 60.8MB. Free memory was 38.8MB in the beginning and 26.0MB in the end (delta: 12.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-23 15:47:42,033 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:42,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.33ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 96.8kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-23 15:47:42,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.28ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 35.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:42,036 INFO L158 Benchmark]: Boogie Preprocessor took 64.22ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 33.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:42,037 INFO L158 Benchmark]: RCFGBuilder took 305.29ms. Allocated memory is still 60.8MB. Free memory was 33.7MB in the beginning and 26.0MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:47:42,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.33ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 96.8kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.28ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 35.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.22ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 33.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.29ms. Allocated memory is still 60.8MB. Free memory was 33.7MB in the beginning and 26.0MB 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 15:47:42,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9b3dc54-1a28-4e4e-9939-8129f7980909/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