./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/up.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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/up.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/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 ff5c10c83c8d29dcc2c2798035fa2754df224d2313ad9c91b6ee5bb6ca3d9a9f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:11,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:11,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:11,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:11,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:11,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:11,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:11,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:11,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:11,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:11,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:11,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:11,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:12,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:12,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:12,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:12,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:12,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:12,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:12,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:12,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:12,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:12,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:12,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:12,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:12,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:12,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:12,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:12,045 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:12,047 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:12,047 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:12,048 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:12,050 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:12,051 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:12,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:12,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:12,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:12,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:12,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:12,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:12,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:12,057 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:12,099 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:12,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:12,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:12,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:12,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:12,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:12,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:12,103 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:12,103 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:12,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:12,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:12,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:12,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:12,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:12,106 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:12,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:12,106 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:12,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:12,107 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:12,107 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:12,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:12,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:12,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:12,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:12,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:12,108 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:12,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:12,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:12,109 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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5c10c83c8d29dcc2c2798035fa2754df224d2313ad9c91b6ee5bb6ca3d9a9f [2021-11-23 15:54:12,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:12,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:12,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:12,465 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:12,466 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:12,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-invgen/up.i [2021-11-23 15:54:12,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/data/9c5ddcdbc/24b4e1f834da4bd198b09e04a1c9d592/FLAG136262d5a [2021-11-23 15:54:13,006 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:13,007 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/sv-benchmarks/c/loop-invgen/up.i [2021-11-23 15:54:13,013 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/data/9c5ddcdbc/24b4e1f834da4bd198b09e04a1c9d592/FLAG136262d5a [2021-11-23 15:54:13,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/data/9c5ddcdbc/24b4e1f834da4bd198b09e04a1c9d592 [2021-11-23 15:54:13,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:13,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:13,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:13,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:13,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:13,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ced5951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13, skipping insertion in model container [2021-11-23 15:54:13,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:13,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:13,301 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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/sv-benchmarks/c/loop-invgen/up.i[893,906] [2021-11-23 15:54:13,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:13,319 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:13,332 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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/sv-benchmarks/c/loop-invgen/up.i[893,906] [2021-11-23 15:54:13,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:13,349 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:13,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13 WrapperNode [2021-11-23 15:54:13,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:13,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:13,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:13,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:13,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,382 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2021-11-23 15:54:13,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:13,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:13,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:13,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:13,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:13,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:13,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:13,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:13,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:13,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:13,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:13,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:13,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:13,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:13,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:13,539 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:13,540 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:13,642 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:13,655 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 15:54:13,660 INFO L158 Benchmark]: Toolchain (without parser) took 625.50ms. Allocated memory is still 102.8MB. Free memory was 64.0MB in the beginning and 66.4MB in the end (delta: -2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:13,661 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 80.5MB in the beginning and 80.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:13,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.50ms. Allocated memory is still 102.8MB. Free memory was 63.8MB in the beginning and 78.2MB in the end (delta: -14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:13,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.17ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 76.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:13,664 INFO L158 Benchmark]: Boogie Preprocessor took 19.83ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 75.6MB in the end (delta: 769.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:13,665 INFO L158 Benchmark]: RCFGBuilder took 254.24ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 66.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:13,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory was 80.5MB in the beginning and 80.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.50ms. Allocated memory is still 102.8MB. Free memory was 63.8MB in the beginning and 78.2MB in the end (delta: -14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.17ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 76.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.83ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 75.6MB in the end (delta: 769.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 254.24ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 66.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:13,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/up.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/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 ff5c10c83c8d29dcc2c2798035fa2754df224d2313ad9c91b6ee5bb6ca3d9a9f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:16,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:16,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:16,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:16,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:16,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:16,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:16,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:16,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:16,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:16,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:16,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:16,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:16,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:16,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:16,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:16,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:16,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:16,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:16,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:16,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:16,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:16,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:16,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:16,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:16,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:16,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:16,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:16,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:16,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:16,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:16,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:16,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:16,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:16,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:16,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:16,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:16,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:16,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:16,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:16,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:16,347 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:16,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:16,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:16,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:16,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:16,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:16,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:16,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:16,402 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:16,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:16,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:16,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:16,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:16,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:16,405 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:16,405 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:16,405 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:16,405 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:16,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:16,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:16,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:16,406 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:16,407 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:16,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:16,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:16,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:16,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:16,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:16,408 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:16,408 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:16,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:16,409 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:16,409 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:16,409 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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff5c10c83c8d29dcc2c2798035fa2754df224d2313ad9c91b6ee5bb6ca3d9a9f [2021-11-23 15:54:16,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:16,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:16,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:16,823 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:16,824 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:16,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-invgen/up.i [2021-11-23 15:54:16,899 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/data/c22d021ed/40992f217a384e739827563ee849a07c/FLAG9d68f4333 [2021-11-23 15:54:17,446 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:17,448 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/sv-benchmarks/c/loop-invgen/up.i [2021-11-23 15:54:17,456 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/data/c22d021ed/40992f217a384e739827563ee849a07c/FLAG9d68f4333 [2021-11-23 15:54:17,835 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/data/c22d021ed/40992f217a384e739827563ee849a07c [2021-11-23 15:54:17,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:17,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:17,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:17,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:17,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:17,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:17,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5abf3a49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17, skipping insertion in model container [2021-11-23 15:54:17,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:17,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:17,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:18,058 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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/sv-benchmarks/c/loop-invgen/up.i[893,906] [2021-11-23 15:54:18,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:18,097 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:18,120 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_8d1e27de-c01f-4aca-a2d1-db105ea2da82/sv-benchmarks/c/loop-invgen/up.i[893,906] [2021-11-23 15:54:18,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:18,148 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:18,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:18 WrapperNode [2021-11-23 15:54:18,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:18,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:18,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:18,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:18,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:18" (1/1) ... [2021-11-23 15:54:18,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:18" (1/1) ... [2021-11-23 15:54:18,191 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2021-11-23 15:54:18,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:18,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:18,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:18,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:18,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:18" (1/1) ... [2021-11-23 15:54:18,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:18" (1/1) ... [2021-11-23 15:54:18,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:18" (1/1) ... [2021-11-23 15:54:18,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:18" (1/1) ... [2021-11-23 15:54:18,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:18" (1/1) ... [2021-11-23 15:54:18,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:18" (1/1) ... [2021-11-23 15:54:18,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:18" (1/1) ... [2021-11-23 15:54:18,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:18,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:18,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:18,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:18,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:18" (1/1) ... [2021-11-23 15:54:18,236 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:18,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:18,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:18,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:18,368 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:18,369 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:18,551 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:18,563 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 15:54:18,577 INFO L158 Benchmark]: Toolchain (without parser) took 736.72ms. Allocated memory is still 58.7MB. Free memory was 36.9MB in the beginning and 28.6MB in the end (delta: 8.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:18,578 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:18,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.05ms. Allocated memory is still 58.7MB. Free memory was 36.6MB in the beginning and 40.5MB in the end (delta: -3.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:54:18,582 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.55ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 39.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:18,583 INFO L158 Benchmark]: Boogie Preprocessor took 35.39ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 37.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:18,584 INFO L158 Benchmark]: RCFGBuilder took 346.29ms. Allocated memory is still 58.7MB. Free memory was 37.7MB in the beginning and 28.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:18,589 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 39.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.05ms. Allocated memory is still 58.7MB. Free memory was 36.6MB in the beginning and 40.5MB in the end (delta: -3.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.55ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 39.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.39ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 37.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.29ms. Allocated memory is still 58.7MB. Free memory was 37.7MB in the beginning and 28.6MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:18,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d1e27de-c01f-4aca-a2d1-db105ea2da82/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