./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/list_flag-1.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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/list_flag-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/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 643182475b6f3736876ef9d58257e821498e53d566e4d81dd06a8f042f299e0b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:35,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:35,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:35,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:35,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:35,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:35,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:35,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:35,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:35,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:35,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:35,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:35,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:35,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:35,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:35,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:35,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:35,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:35,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:35,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:35,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:35,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:35,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:35,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:35,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:35,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:35,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:35,321 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:35,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:35,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:35,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:35,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:35,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:35,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:35,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:35,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:35,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:35,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:35,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:35,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:35,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:35,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:42:35,356 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:35,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:35,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:42:35,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:42:35,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:35,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:35,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:35,359 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:35,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:42:35,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:35,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:35,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:42:35,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:35,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:42:35,361 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:35,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:42:35,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:35,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:42:35,362 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:35,362 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:35,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:35,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:35,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:35,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:35,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:42:35,363 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:42:35,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:42:35,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:42:35,364 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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 643182475b6f3736876ef9d58257e821498e53d566e4d81dd06a8f042f299e0b [2021-11-23 15:42:35,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:35,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:35,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:35,673 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:35,674 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:35,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-properties/list_flag-1.i [2021-11-23 15:42:35,769 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/data/6edc96d4b/3385e251b22648d8a27539941a3fbbb6/FLAG15377d1c8 [2021-11-23 15:42:36,396 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:36,396 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/sv-benchmarks/c/list-properties/list_flag-1.i [2021-11-23 15:42:36,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/data/6edc96d4b/3385e251b22648d8a27539941a3fbbb6/FLAG15377d1c8 [2021-11-23 15:42:36,682 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/data/6edc96d4b/3385e251b22648d8a27539941a3fbbb6 [2021-11-23 15:42:36,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:36,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:36,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:36,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:36,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:36,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:36,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f0d995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36, skipping insertion in model container [2021-11-23 15:42:36,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:36,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:36,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:37,130 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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/sv-benchmarks/c/list-properties/list_flag-1.i[23375,23388] [2021-11-23 15:42:37,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:37,142 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:37,210 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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/sv-benchmarks/c/list-properties/list_flag-1.i[23375,23388] [2021-11-23 15:42:37,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:37,258 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:37,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37 WrapperNode [2021-11-23 15:42:37,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:37,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:37,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:37,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:37,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,315 INFO L137 Inliner]: procedures = 124, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 70 [2021-11-23 15:42:37,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:37,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:37,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:37,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:37,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:37,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:37,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:37,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:37,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:37" (1/1) ... [2021-11-23 15:42:37,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:37,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:37,396 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:37,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:37,496 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-23 15:42:37,497 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-23 15:42:37,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:42:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:42:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:42:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:42:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:42:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:42:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:42:37,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:37,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:37,615 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:37,616 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:37,634 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:42:37,648 INFO L158 Benchmark]: Toolchain (without parser) took 948.55ms. Allocated memory is still 123.7MB. Free memory was 96.4MB in the beginning and 84.1MB in the end (delta: 12.4MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 15:42:37,649 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:37,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.86ms. Allocated memory is still 123.7MB. Free memory was 96.2MB in the beginning and 94.3MB in the end (delta: 1.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:42:37,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.52ms. Allocated memory is still 123.7MB. Free memory was 94.3MB in the beginning and 92.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:37,651 INFO L158 Benchmark]: Boogie Preprocessor took 28.05ms. Allocated memory is still 123.7MB. Free memory was 92.3MB in the beginning and 90.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:37,652 INFO L158 Benchmark]: RCFGBuilder took 292.40ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 84.1MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:42:37,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.86ms. Allocated memory is still 123.7MB. Free memory was 96.2MB in the beginning and 94.3MB in the end (delta: 1.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.52ms. Allocated memory is still 123.7MB. Free memory was 94.3MB in the beginning and 92.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.05ms. Allocated memory is still 123.7MB. Free memory was 92.3MB in the beginning and 90.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.40ms. Allocated memory is still 123.7MB. Free memory was 90.9MB in the beginning and 84.1MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:42:37,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/list_flag-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/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 643182475b6f3736876ef9d58257e821498e53d566e4d81dd06a8f042f299e0b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:40,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:40,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:40,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:40,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:40,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:40,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:40,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:40,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:40,122 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:40,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:40,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:40,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:40,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:40,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:40,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:40,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:40,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:40,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:40,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:40,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:40,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:40,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:40,163 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:40,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:40,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:40,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:40,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:40,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:40,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:40,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:40,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:40,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:40,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:40,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:40,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:40,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:40,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:40,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:40,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:40,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:40,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:42:40,248 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:40,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:40,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:42:40,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:42:40,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:40,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:40,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:40,254 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:40,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:40,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:40,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:42:40,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:40,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:42:40,256 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:42:40,256 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:42:40,256 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:42:40,257 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:40,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:42:40,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:40,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:42:40,258 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:40,258 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:40,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:40,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:40,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:40,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:40,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:42:40,259 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:42:40,259 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:42:40,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:42:40,260 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:42:40,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:42:40,261 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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 643182475b6f3736876ef9d58257e821498e53d566e4d81dd06a8f042f299e0b [2021-11-23 15:42:40,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:40,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:40,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:40,699 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:40,700 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:40,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-properties/list_flag-1.i [2021-11-23 15:42:40,792 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/data/44e46ae7e/7afccf5559bc4c06b20db9f8d00e01a7/FLAG630e5dfda [2021-11-23 15:42:41,389 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:41,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/sv-benchmarks/c/list-properties/list_flag-1.i [2021-11-23 15:42:41,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/data/44e46ae7e/7afccf5559bc4c06b20db9f8d00e01a7/FLAG630e5dfda [2021-11-23 15:42:41,639 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/data/44e46ae7e/7afccf5559bc4c06b20db9f8d00e01a7 [2021-11-23 15:42:41,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:41,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:41,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:41,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:41,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:41,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:41" (1/1) ... [2021-11-23 15:42:41,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22740f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:41, skipping insertion in model container [2021-11-23 15:42:41,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:41" (1/1) ... [2021-11-23 15:42:41,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:41,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:42,103 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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/sv-benchmarks/c/list-properties/list_flag-1.i[23375,23388] [2021-11-23 15:42:42,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:42,117 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:42,155 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_99aff846-ae54-4e4e-9bd2-2e2275917d1c/sv-benchmarks/c/list-properties/list_flag-1.i[23375,23388] [2021-11-23 15:42:42,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:42,193 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:42,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:42 WrapperNode [2021-11-23 15:42:42,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:42,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:42,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:42,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:42,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:42" (1/1) ... [2021-11-23 15:42:42,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:42" (1/1) ... [2021-11-23 15:42:42,279 INFO L137 Inliner]: procedures = 127, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2021-11-23 15:42:42,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:42,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:42,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:42,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:42,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:42" (1/1) ... [2021-11-23 15:42:42,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:42" (1/1) ... [2021-11-23 15:42:42,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:42" (1/1) ... [2021-11-23 15:42:42,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:42" (1/1) ... [2021-11-23 15:42:42,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:42" (1/1) ... [2021-11-23 15:42:42,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:42" (1/1) ... [2021-11-23 15:42:42,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:42" (1/1) ... [2021-11-23 15:42:42,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:42,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:42,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:42,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:42,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:42" (1/1) ... [2021-11-23 15:42:42,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:42,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:42,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:42,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-23 15:42:42,419 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-23 15:42:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:42:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:42:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:42:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:42:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:42:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:42:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:42:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:42,609 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:42,611 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:42,623 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:42:42,630 INFO L158 Benchmark]: Toolchain (without parser) took 963.90ms. Allocated memory is still 73.4MB. Free memory was 58.6MB in the beginning and 39.4MB in the end (delta: 19.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 15:42:42,631 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:42,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.09ms. Allocated memory is still 73.4MB. Free memory was 58.5MB in the beginning and 49.9MB in the end (delta: 8.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-23 15:42:42,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.14ms. Allocated memory is still 73.4MB. Free memory was 49.9MB in the beginning and 47.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:42,633 INFO L158 Benchmark]: Boogie Preprocessor took 58.98ms. Allocated memory is still 73.4MB. Free memory was 47.9MB in the beginning and 46.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:42,634 INFO L158 Benchmark]: RCFGBuilder took 288.54ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 39.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:42:42,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.09ms. Allocated memory is still 73.4MB. Free memory was 58.5MB in the beginning and 49.9MB in the end (delta: 8.6MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.14ms. Allocated memory is still 73.4MB. Free memory was 49.9MB in the beginning and 47.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.98ms. Allocated memory is still 73.4MB. Free memory was 47.9MB in the beginning and 46.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.54ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 39.4MB in the end (delta: 6.8MB). 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 15:42:42,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99aff846-ae54-4e4e-9bd2-2e2275917d1c/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