./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/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_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/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 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:32,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:32,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:32,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:32,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:32,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:32,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:32,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:32,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:32,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:32,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:32,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:32,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:32,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:32,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:32,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:32,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:32,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:32,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:32,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:32,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:32,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:32,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:32,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:32,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:32,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:32,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:32,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:32,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:32,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:32,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:32,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:32,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:32,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:32,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:32,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:32,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:32,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:32,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:32,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:32,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:32,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:48:32,896 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:32,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:32,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:32,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:32,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:32,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:32,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:32,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:48:32,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:32,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:32,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:32,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:32,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:32,901 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:32,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:32,902 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:32,902 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:32,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:32,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:32,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:32,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:32,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:32,904 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:48:32,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:48:32,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:32,905 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_00291960-a29c-4892-bb81-db1bf8a72269/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-11-23 15:48:33,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:33,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:33,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:33,194 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:33,195 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:33,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-23 15:48:33,279 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/data/2d56f24b9/049871f067364f9484982d9d74ea6694/FLAGccb99c4c5 [2021-11-23 15:48:33,833 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:33,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-23 15:48:33,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/data/2d56f24b9/049871f067364f9484982d9d74ea6694/FLAGccb99c4c5 [2021-11-23 15:48:34,258 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/data/2d56f24b9/049871f067364f9484982d9d74ea6694 [2021-11-23 15:48:34,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:34,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:34,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:34,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:34,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:34,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:34" (1/1) ... [2021-11-23 15:48:34,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48feef99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:34, skipping insertion in model container [2021-11-23 15:48:34,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:34" (1/1) ... [2021-11-23 15:48:34,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:34,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:35,005 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_00291960-a29c-4892-bb81-db1bf8a72269/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-23 15:48:35,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:35,074 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:35,157 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_00291960-a29c-4892-bb81-db1bf8a72269/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-23 15:48:35,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:35,310 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:35,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:35 WrapperNode [2021-11-23 15:48:35,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:35,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:35,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:35,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:35,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:35" (1/1) ... [2021-11-23 15:48:35,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:35" (1/1) ... [2021-11-23 15:48:35,414 INFO L137 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 366 [2021-11-23 15:48:35,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:35,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:35,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:35,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:35,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:35" (1/1) ... [2021-11-23 15:48:35,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:35" (1/1) ... [2021-11-23 15:48:35,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:35" (1/1) ... [2021-11-23 15:48:35,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:35" (1/1) ... [2021-11-23 15:48:35,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:35" (1/1) ... [2021-11-23 15:48:35,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:35" (1/1) ... [2021-11-23 15:48:35,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:35" (1/1) ... [2021-11-23 15:48:35,520 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:35,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:35,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:35,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:35,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:35" (1/1) ... [2021-11-23 15:48:35,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:35,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:35,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:35,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:35,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:48:35,628 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:48:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:48:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:48:35,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:48:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:48:35,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:48:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-23 15:48:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:48:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:48:35,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:35,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:36,001 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:36,003 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:36,435 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:48:36,478 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:48:36,484 INFO L158 Benchmark]: Toolchain (without parser) took 2220.03ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 47.1MB in the beginning and 68.3MB in the end (delta: -21.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2021-11-23 15:48:36,485 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:36,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1041.53ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 46.9MB in the beginning and 73.4MB in the end (delta: -26.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2021-11-23 15:48:36,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.21ms. Allocated memory is still 104.9MB. Free memory was 73.4MB in the beginning and 69.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:48:36,487 INFO L158 Benchmark]: Boogie Preprocessor took 104.36ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 65.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:48:36,487 INFO L158 Benchmark]: RCFGBuilder took 959.83ms. Allocated memory is still 104.9MB. Free memory was 65.9MB in the beginning and 68.3MB in the end (delta: -2.5MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 15:48:36,490 INFO L339 ainManager$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 86.0MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1041.53ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 46.9MB in the beginning and 73.4MB in the end (delta: -26.5MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.21ms. Allocated memory is still 104.9MB. Free memory was 73.4MB in the beginning and 69.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.36ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 65.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 959.83ms. Allocated memory is still 104.9MB. Free memory was 65.9MB in the beginning and 68.3MB in the end (delta: -2.5MB). Peak memory consumption was 29.3MB. 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.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:48:36,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/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_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/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_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/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 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:39,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:39,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:39,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:39,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:39,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:39,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:39,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:39,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:39,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:39,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:39,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:39,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:39,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:39,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:39,156 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:39,157 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:39,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:39,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:39,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:39,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:39,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:39,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:39,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:39,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:39,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:39,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:39,187 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:39,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:39,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:39,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:39,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:39,193 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:39,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:39,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:39,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:39,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:39,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:39,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:39,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:39,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:39,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:48:39,252 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:39,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:39,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:39,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:39,255 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:39,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:39,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:39,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:39,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:39,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:39,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:39,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:48:39,259 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:48:39,259 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:48:39,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:39,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:39,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:39,260 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:39,260 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:39,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:39,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:39,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:39,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:39,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:39,262 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:48:39,262 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:48:39,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:39,262 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:48:39,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:48:39,263 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_00291960-a29c-4892-bb81-db1bf8a72269/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-11-23 15:48:39,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:39,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:39,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:39,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:39,692 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:39,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-23 15:48:39,772 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/data/a39f46cc2/2d59dba9a1684dbf8d867c6d2cd316a3/FLAG404178d18 [2021-11-23 15:48:40,430 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:40,430 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-23 15:48:40,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/data/a39f46cc2/2d59dba9a1684dbf8d867c6d2cd316a3/FLAG404178d18 [2021-11-23 15:48:40,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/data/a39f46cc2/2d59dba9a1684dbf8d867c6d2cd316a3 [2021-11-23 15:48:40,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:40,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:40,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:40,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:40,658 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:40,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:40" (1/1) ... [2021-11-23 15:48:40,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a62231f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:40, skipping insertion in model container [2021-11-23 15:48:40,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:40" (1/1) ... [2021-11-23 15:48:40,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:40,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:41,644 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_00291960-a29c-4892-bb81-db1bf8a72269/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-23 15:48:41,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:41,754 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:48:41,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:41,873 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_00291960-a29c-4892-bb81-db1bf8a72269/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-23 15:48:41,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:41,946 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:42,039 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_00291960-a29c-4892-bb81-db1bf8a72269/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-23 15:48:42,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:42,197 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:42,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42 WrapperNode [2021-11-23 15:48:42,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:42,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:42,199 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:42,199 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:42,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,315 INFO L137 Inliner]: procedures = 353, calls = 114, calls flagged for inlining = 10, calls inlined = 9, statements flattened = 358 [2021-11-23 15:48:42,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:42,316 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:42,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:42,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:42,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:42,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:42,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:42,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:42,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:42" (1/1) ... [2021-11-23 15:48:42,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:42,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:42,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:42,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:48:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:48:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:48:42,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:48:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:48:42,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:48:42,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-23 15:48:42,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:48:42,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:42,941 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:42,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:43,581 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:48:43,609 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:48:43,617 INFO L158 Benchmark]: Toolchain (without parser) took 2964.59ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.4MB in the beginning and 31.7MB in the end (delta: 5.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-11-23 15:48:43,618 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:43,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1546.78ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.2MB in the beginning and 39.3MB in the end (delta: -2.1MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 15:48:43,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.74ms. Allocated memory is still 73.4MB. Free memory was 39.3MB in the beginning and 34.9MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:48:43,622 INFO L158 Benchmark]: Boogie Preprocessor took 100.47ms. Allocated memory is still 73.4MB. Free memory was 34.9MB in the beginning and 47.3MB in the end (delta: -12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:48:43,622 INFO L158 Benchmark]: RCFGBuilder took 1196.75ms. Allocated memory is still 73.4MB. Free memory was 47.0MB in the beginning and 31.7MB in the end (delta: 15.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:48:43,632 INFO L339 ainManager$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 60.8MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1546.78ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 37.2MB in the beginning and 39.3MB in the end (delta: -2.1MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.74ms. Allocated memory is still 73.4MB. Free memory was 39.3MB in the beginning and 34.9MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.47ms. Allocated memory is still 73.4MB. Free memory was 34.9MB in the beginning and 47.3MB in the end (delta: -12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1196.75ms. Allocated memory is still 73.4MB. Free memory was 47.0MB in the beginning and 31.7MB in the end (delta: 15.3MB). Peak memory consumption was 21.0MB. 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 15:48:43,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00291960-a29c-4892-bb81-db1bf8a72269/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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