./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label31.c --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_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/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_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/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_a1c684c7-73e8-4ff4-b258-1a92913570e6/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 104c3e4d2d285318bd33a2c4ac426392865667356528f97af872a52afc2a0227 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:57,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:57,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:57,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:57,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:57,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:57,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:57,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:57,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:57,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:57,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:57,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:57,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:57,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:57,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:57,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:57,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:57,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:57,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:57,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:57,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:57,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:57,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:57,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:57,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:57,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:57,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:57,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:57,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:57,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:57,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:57,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:57,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:57,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:57,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:57,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:57,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:57,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:57,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:57,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:57,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:57,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:50:57,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:57,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:57,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:57,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:57,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:57,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:57,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:57,966 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:57,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:50:57,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:57,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:57,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:57,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:57,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:57,972 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:57,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:57,972 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:57,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:57,973 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:57,973 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:57,973 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:57,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:57,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:57,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:57,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:57,975 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:50:57,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:50:57,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:57,975 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_a1c684c7-73e8-4ff4-b258-1a92913570e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 104c3e4d2d285318bd33a2c4ac426392865667356528f97af872a52afc2a0227 [2021-11-23 15:50:58,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:58,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:58,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:58,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:58,297 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:58,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label31.c [2021-11-23 15:50:58,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/data/4f0305f6c/dfc0da9336fb4900b3216598ec82c935/FLAGe23e3c236 [2021-11-23 15:50:59,287 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:59,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/sv-benchmarks/c/eca-rers2012/Problem04_label31.c [2021-11-23 15:50:59,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/data/4f0305f6c/dfc0da9336fb4900b3216598ec82c935/FLAGe23e3c236 [2021-11-23 15:50:59,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/data/4f0305f6c/dfc0da9336fb4900b3216598ec82c935 [2021-11-23 15:50:59,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:59,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:59,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:59,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:59,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:59,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:59" (1/1) ... [2021-11-23 15:50:59,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c2ed46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:59, skipping insertion in model container [2021-11-23 15:50:59,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:59" (1/1) ... [2021-11-23 15:50:59,759 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:59,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:01,196 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_a1c684c7-73e8-4ff4-b258-1a92913570e6/sv-benchmarks/c/eca-rers2012/Problem04_label31.c[176641,176654] [2021-11-23 15:51:01,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:01,240 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:01,993 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_a1c684c7-73e8-4ff4-b258-1a92913570e6/sv-benchmarks/c/eca-rers2012/Problem04_label31.c[176641,176654] [2021-11-23 15:51:02,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:02,036 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:02,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:02 WrapperNode [2021-11-23 15:51:02,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:02,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:02,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:02,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:02,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:02" (1/1) ... [2021-11-23 15:51:02,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:02" (1/1) ... [2021-11-23 15:51:02,349 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2021-11-23 15:51:02,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:02,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:02,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:02,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:02,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:02" (1/1) ... [2021-11-23 15:51:02,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:02" (1/1) ... [2021-11-23 15:51:02,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:02" (1/1) ... [2021-11-23 15:51:02,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:02" (1/1) ... [2021-11-23 15:51:02,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:02" (1/1) ... [2021-11-23 15:51:02,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:02" (1/1) ... [2021-11-23 15:51:02,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:02" (1/1) ... [2021-11-23 15:51:02,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:02,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:02,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:02,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:02,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:02" (1/1) ... [2021-11-23 15:51:02,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:02,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:02,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:02,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:02,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:02,962 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:02,964 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:07,112 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:07,184 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 15:51:07,195 INFO L158 Benchmark]: Toolchain (without parser) took 7450.88ms. Allocated memory was 92.3MB in the beginning and 373.3MB in the end (delta: 281.0MB). Free memory was 58.9MB in the beginning and 211.3MB in the end (delta: -152.4MB). Peak memory consumption was 207.8MB. Max. memory is 16.1GB. [2021-11-23 15:51:07,196 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:07,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2293.17ms. Allocated memory was 92.3MB in the beginning and 136.3MB in the end (delta: 44.0MB). Free memory was 58.9MB in the beginning and 71.9MB in the end (delta: -13.0MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2021-11-23 15:51:07,199 INFO L158 Benchmark]: Boogie Procedure Inliner took 310.79ms. Allocated memory is still 136.3MB. Free memory was 71.9MB in the beginning and 59.4MB in the end (delta: 12.5MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:07,201 INFO L158 Benchmark]: Boogie Preprocessor took 308.08ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 59.4MB in the beginning and 148.7MB in the end (delta: -89.2MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:07,202 INFO L158 Benchmark]: RCFGBuilder took 4532.56ms. Allocated memory was 237.0MB in the beginning and 373.3MB in the end (delta: 136.3MB). Free memory was 148.7MB in the beginning and 211.3MB in the end (delta: -62.6MB). Peak memory consumption was 153.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:07,212 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 92.3MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2293.17ms. Allocated memory was 92.3MB in the beginning and 136.3MB in the end (delta: 44.0MB). Free memory was 58.9MB in the beginning and 71.9MB in the end (delta: -13.0MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 310.79ms. Allocated memory is still 136.3MB. Free memory was 71.9MB in the beginning and 59.4MB in the end (delta: 12.5MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 308.08ms. Allocated memory was 136.3MB in the beginning and 237.0MB in the end (delta: 100.7MB). Free memory was 59.4MB in the beginning and 148.7MB in the end (delta: -89.2MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4532.56ms. Allocated memory was 237.0MB in the beginning and 373.3MB in the end (delta: 136.3MB). Free memory was 148.7MB in the beginning and 211.3MB in the end (delta: -62.6MB). Peak memory consumption was 153.1MB. 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 15:51:07,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/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_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/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_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/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_a1c684c7-73e8-4ff4-b258-1a92913570e6/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 104c3e4d2d285318bd33a2c4ac426392865667356528f97af872a52afc2a0227 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:09,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:09,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:10,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:10,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:10,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:10,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:10,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:10,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:10,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:10,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:10,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:10,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:10,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:10,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:10,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:10,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:10,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:10,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:10,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:10,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:10,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:10,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:10,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:10,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:10,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:10,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:10,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:10,092 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:10,093 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:10,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:10,095 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:10,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:10,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:10,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:10,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:10,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:10,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:10,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:10,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:10,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:10,116 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:51:10,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:10,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:10,148 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:10,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:10,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:10,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:10,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:10,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:10,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:10,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:10,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:10,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:10,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:10,152 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:51:10,152 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:51:10,152 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:51:10,152 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:10,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:10,153 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:10,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:10,153 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:10,153 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:10,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:10,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:10,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:10,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:10,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:10,155 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:51:10,155 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:51:10,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:10,156 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:51:10,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:51:10,156 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_a1c684c7-73e8-4ff4-b258-1a92913570e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 104c3e4d2d285318bd33a2c4ac426392865667356528f97af872a52afc2a0227 [2021-11-23 15:51:10,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:10,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:10,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:10,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:10,656 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:10,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label31.c [2021-11-23 15:51:10,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/data/c4460a1b6/ec4a2b70655f4cbb93aca20cfe38cce5/FLAG9361f081e [2021-11-23 15:51:11,717 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:11,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/sv-benchmarks/c/eca-rers2012/Problem04_label31.c [2021-11-23 15:51:11,759 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/data/c4460a1b6/ec4a2b70655f4cbb93aca20cfe38cce5/FLAG9361f081e [2021-11-23 15:51:12,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/data/c4460a1b6/ec4a2b70655f4cbb93aca20cfe38cce5 [2021-11-23 15:51:12,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:12,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:12,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:12,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:12,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:12,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:12" (1/1) ... [2021-11-23 15:51:12,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b39509d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:12, skipping insertion in model container [2021-11-23 15:51:12,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:12" (1/1) ... [2021-11-23 15:51:12,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:12,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:13,797 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_a1c684c7-73e8-4ff4-b258-1a92913570e6/sv-benchmarks/c/eca-rers2012/Problem04_label31.c[176641,176654] [2021-11-23 15:51:13,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:13,835 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:14,622 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_a1c684c7-73e8-4ff4-b258-1a92913570e6/sv-benchmarks/c/eca-rers2012/Problem04_label31.c[176641,176654] [2021-11-23 15:51:14,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:14,673 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:14,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14 WrapperNode [2021-11-23 15:51:14,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:14,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:14,676 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:14,676 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:14,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:15,054 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2021-11-23 15:51:15,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:15,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:15,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:15,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:15,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:15,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:15,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:15,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:15,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:15,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:15,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:15,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:15,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:15,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:15,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:15,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:15,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:15,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:15,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:15,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:51:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:15,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:15,682 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:15,684 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:21,228 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:21,284 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 15:51:21,289 INFO L158 Benchmark]: Toolchain (without parser) took 9067.72ms. Allocated memory was 62.9MB in the beginning and 335.5MB in the end (delta: 272.6MB). Free memory was 25.6MB in the beginning and 114.2MB in the end (delta: -88.6MB). Peak memory consumption was 209.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:21,289 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:21,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2453.15ms. Allocated memory was 62.9MB in the beginning and 109.1MB in the end (delta: 46.1MB). Free memory was 25.3MB in the beginning and 50.7MB in the end (delta: -25.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:21,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 391.26ms. Allocated memory is still 109.1MB. Free memory was 50.7MB in the beginning and 40.8MB in the end (delta: 9.9MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2021-11-23 15:51:21,292 INFO L158 Benchmark]: Boogie Preprocessor took 402.23ms. Allocated memory was 109.1MB in the beginning and 180.4MB in the end (delta: 71.3MB). Free memory was 40.8MB in the beginning and 93.4MB in the end (delta: -52.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:21,293 INFO L158 Benchmark]: RCFGBuilder took 5815.86ms. Allocated memory was 180.4MB in the beginning and 335.5MB in the end (delta: 155.2MB). Free memory was 93.4MB in the beginning and 114.2MB in the end (delta: -20.8MB). Peak memory consumption was 161.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:21,296 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 62.9MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2453.15ms. Allocated memory was 62.9MB in the beginning and 109.1MB in the end (delta: 46.1MB). Free memory was 25.3MB in the beginning and 50.7MB in the end (delta: -25.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 391.26ms. Allocated memory is still 109.1MB. Free memory was 50.7MB in the beginning and 40.8MB in the end (delta: 9.9MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 402.23ms. Allocated memory was 109.1MB in the beginning and 180.4MB in the end (delta: 71.3MB). Free memory was 40.8MB in the beginning and 93.4MB in the end (delta: -52.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5815.86ms. Allocated memory was 180.4MB in the beginning and 335.5MB in the end (delta: 155.2MB). Free memory was 93.4MB in the beginning and 114.2MB in the end (delta: -20.8MB). Peak memory consumption was 161.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:21,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1c684c7-73e8-4ff4-b258-1a92913570e6/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