./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule60_list2.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_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/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_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule60_list2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/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_1b015a61-3c1c-41a0-8c90-c9140c5de448/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 ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:47,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:47,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:47,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:47,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:47,188 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:47,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:47,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:47,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:47,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:47,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:47,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:47,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:47,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:47,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:47,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:47,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:47,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:47,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:47,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:47,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:47,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:47,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:47,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:47,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:47,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:47,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:47,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:47,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:47,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:47,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:47,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:47,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:47,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:47,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:47,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:47,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:47,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:47,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:47,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:47,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:47,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:47,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:47,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:47,315 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:47,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:47,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:47,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:47,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:47,317 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:47,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:47,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:47,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:47,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:47,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:47,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:47,326 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:47,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:47,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:47,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:47,327 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:47,327 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:47,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:47,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:47,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:47,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:47,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:47,328 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:47,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:47,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:47,329 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_1b015a61-3c1c-41a0-8c90-c9140c5de448/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206 [2021-11-23 15:03:47,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:47,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:47,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:47,613 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:47,615 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:47,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/rule60_list2.i [2021-11-23 15:03:47,715 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/data/d66d3cb5c/2bf1fcb29977491d9de69e1d65f391e8/FLAGa0b34321f [2021-11-23 15:03:48,213 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:48,218 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/sv-benchmarks/c/ldv-regression/rule60_list2.i [2021-11-23 15:03:48,240 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/data/d66d3cb5c/2bf1fcb29977491d9de69e1d65f391e8/FLAGa0b34321f [2021-11-23 15:03:48,517 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/data/d66d3cb5c/2bf1fcb29977491d9de69e1d65f391e8 [2021-11-23 15:03:48,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:48,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:48,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:48,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:48,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:48,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:48" (1/1) ... [2021-11-23 15:03:48,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c478a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:48, skipping insertion in model container [2021-11-23 15:03:48,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:48" (1/1) ... [2021-11-23 15:03:48,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:48,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:48,773 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_1b015a61-3c1c-41a0-8c90-c9140c5de448/sv-benchmarks/c/ldv-regression/rule60_list2.i[292,305] [2021-11-23 15:03:48,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:48,946 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:48,959 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_1b015a61-3c1c-41a0-8c90-c9140c5de448/sv-benchmarks/c/ldv-regression/rule60_list2.i[292,305] [2021-11-23 15:03:49,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:49,054 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:49,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:49 WrapperNode [2021-11-23 15:03:49,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:49,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:49,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:49,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:49,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:49" (1/1) ... [2021-11-23 15:03:49,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:49" (1/1) ... [2021-11-23 15:03:49,123 INFO L137 Inliner]: procedures = 126, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2021-11-23 15:03:49,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:49,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:49,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:49,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:49,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:49" (1/1) ... [2021-11-23 15:03:49,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:49" (1/1) ... [2021-11-23 15:03:49,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:49" (1/1) ... [2021-11-23 15:03:49,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:49" (1/1) ... [2021-11-23 15:03:49,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:49" (1/1) ... [2021-11-23 15:03:49,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:49" (1/1) ... [2021-11-23 15:03:49,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:49" (1/1) ... [2021-11-23 15:03:49,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:49,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:49,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:49,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:49,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:49" (1/1) ... [2021-11-23 15:03:49,167 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:49,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:49,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:49,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2021-11-23 15:03:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2021-11-23 15:03:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:03:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:03:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:03:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-11-23 15:03:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-11-23 15:03:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:49,326 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:49,328 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:49,532 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:49,564 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.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:49,568 INFO L158 Benchmark]: Toolchain (without parser) took 1045.88ms. Allocated memory is still 123.7MB. Free memory was 87.4MB in the beginning and 75.5MB in the end (delta: 11.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,569 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:49,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.29ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 90.1MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.09ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,572 INFO L158 Benchmark]: Boogie Preprocessor took 27.31ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 87.3MB in the end (delta: 780.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,572 INFO L158 Benchmark]: RCFGBuilder took 414.36ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 75.5MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:49,576 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.29ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 90.1MB in the end (delta: -2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.09ms. Allocated memory is still 123.7MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.31ms. Allocated memory is still 123.7MB. Free memory was 88.0MB in the beginning and 87.3MB in the end (delta: 780.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.36ms. Allocated memory is still 123.7MB. Free memory was 87.3MB in the beginning and 75.5MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:49,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/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_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/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_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule60_list2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/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_1b015a61-3c1c-41a0-8c90-c9140c5de448/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 ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:52,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:52,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:52,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:52,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:52,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:52,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:52,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:52,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:52,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:52,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:52,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:52,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:52,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:52,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:52,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:52,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:52,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:52,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:52,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:52,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:52,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:52,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:52,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:52,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:52,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:52,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:52,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:52,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:52,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:52,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:52,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:52,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:52,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:52,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:52,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:52,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:52,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:52,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:52,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:52,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:52,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:52,316 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:52,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:52,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:52,319 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:52,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:52,321 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:52,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:52,321 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:52,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:52,322 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:52,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:52,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:52,323 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:52,324 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:52,324 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:52,324 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:52,324 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:52,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:52,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:52,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:52,325 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:52,325 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:52,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:52,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:52,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:52,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:52,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:52,327 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:52,327 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:52,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:52,328 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:52,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:52,328 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_1b015a61-3c1c-41a0-8c90-c9140c5de448/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec34d681fc532ab8881c0bb28aeb7b8d0ef0df29d4602290c71f943db752a206 [2021-11-23 15:03:52,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:52,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:52,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:52,772 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:52,773 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:52,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/rule60_list2.i [2021-11-23 15:03:52,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/data/85ccedf2e/34ff8502b838427f843e97f45bba131e/FLAGe0a731d57 [2021-11-23 15:03:53,433 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:53,438 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/sv-benchmarks/c/ldv-regression/rule60_list2.i [2021-11-23 15:03:53,460 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/data/85ccedf2e/34ff8502b838427f843e97f45bba131e/FLAGe0a731d57 [2021-11-23 15:03:53,686 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/data/85ccedf2e/34ff8502b838427f843e97f45bba131e [2021-11-23 15:03:53,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:53,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:53,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:53,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:53,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:53,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c2f23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53, skipping insertion in model container [2021-11-23 15:03:53,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:53,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:53,917 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_1b015a61-3c1c-41a0-8c90-c9140c5de448/sv-benchmarks/c/ldv-regression/rule60_list2.i[292,305] [2021-11-23 15:03:54,119 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:54,132 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:54,148 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_1b015a61-3c1c-41a0-8c90-c9140c5de448/sv-benchmarks/c/ldv-regression/rule60_list2.i[292,305] [2021-11-23 15:03:54,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:54,237 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:54,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:54 WrapperNode [2021-11-23 15:03:54,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:54,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:54,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:54,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:54,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:54" (1/1) ... [2021-11-23 15:03:54,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:54" (1/1) ... [2021-11-23 15:03:54,286 INFO L137 Inliner]: procedures = 127, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2021-11-23 15:03:54,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:54,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:54,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:54,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:54,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:54" (1/1) ... [2021-11-23 15:03:54,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:54" (1/1) ... [2021-11-23 15:03:54,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:54" (1/1) ... [2021-11-23 15:03:54,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:54" (1/1) ... [2021-11-23 15:03:54,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:54" (1/1) ... [2021-11-23 15:03:54,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:54" (1/1) ... [2021-11-23 15:03:54,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:54" (1/1) ... [2021-11-23 15:03:54,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:54,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:54,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:54,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:54,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:54" (1/1) ... [2021-11-23 15:03:54,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:54,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:54,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:54,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure my_malloc [2021-11-23 15:03:54,417 INFO L138 BoogieDeclarations]: Found implementation of procedure my_malloc [2021-11-23 15:03:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-23 15:03:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-23 15:03:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:03:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-11-23 15:03:54,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-11-23 15:03:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:54,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:54,580 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:54,582 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:54,785 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:54,801 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.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:03:54,806 INFO L158 Benchmark]: Toolchain (without parser) took 1112.66ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.1MB in the beginning and 43.3MB in the end (delta: -12.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:54,806 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:54,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 544.29ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.9MB in the beginning and 43.2MB in the end (delta: -12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:03:54,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.66ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 41.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:54,810 INFO L158 Benchmark]: Boogie Preprocessor took 28.57ms. Allocated memory is still 67.1MB. Free memory was 41.3MB in the beginning and 39.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:54,810 INFO L158 Benchmark]: RCFGBuilder took 487.47ms. Allocated memory is still 67.1MB. Free memory was 39.8MB in the beginning and 43.3MB in the end (delta: -3.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-23 15:03:54,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 54.5MB. Free memory was 35.5MB in the beginning and 35.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 544.29ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.9MB in the beginning and 43.2MB in the end (delta: -12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.66ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 41.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.57ms. Allocated memory is still 67.1MB. Free memory was 41.3MB in the beginning and 39.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.47ms. Allocated memory is still 67.1MB. Free memory was 39.8MB in the beginning and 43.3MB in the end (delta: -3.5MB). Peak memory consumption was 10.0MB. 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.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:03:54,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b015a61-3c1c-41a0-8c90-c9140c5de448/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