./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/modulus-2.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_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/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_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/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_a8d331b9-aa46-42fe-9545-5638ef133f45/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 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:56,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:56,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:56,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:56,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:56,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:56,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:56,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:56,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:56,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:56,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:56,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:56,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:56,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:56,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:56,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:56,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:56,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:56,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:56,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:56,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:56,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:57,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:57,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:57,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:57,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:57,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:57,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:57,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:57,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:57,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:57,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:57,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:57,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:57,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:57,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:57,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:57,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:57,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:57,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:57,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:57,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:57,076 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:57,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:57,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:57,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:57,080 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:57,080 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:57,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:57,080 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:57,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:57,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:57,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:57,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:57,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:57,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:57,083 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:57,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:57,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:57,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:57,083 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:57,084 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:57,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:57,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:57,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:57,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:57,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:57,085 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:57,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:57,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:57,085 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_a8d331b9-aa46-42fe-9545-5638ef133f45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c [2021-11-23 15:54:57,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:57,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:57,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:57,364 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:57,365 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:57,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/bitvector/modulus-2.i [2021-11-23 15:54:57,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/data/f3fdc0d10/f56e61f1273a46caa7497da9a75eacf2/FLAGefcc8b8da [2021-11-23 15:54:57,930 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:57,931 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/sv-benchmarks/c/bitvector/modulus-2.i [2021-11-23 15:54:57,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/data/f3fdc0d10/f56e61f1273a46caa7497da9a75eacf2/FLAGefcc8b8da [2021-11-23 15:54:58,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/data/f3fdc0d10/f56e61f1273a46caa7497da9a75eacf2 [2021-11-23 15:54:58,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:58,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:58,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:58,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:58,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:58,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@160cbbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58, skipping insertion in model container [2021-11-23 15:54:58,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:58,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:58,566 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_a8d331b9-aa46-42fe-9545-5638ef133f45/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2021-11-23 15:54:58,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:58,615 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:58,632 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_a8d331b9-aa46-42fe-9545-5638ef133f45/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2021-11-23 15:54:58,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:58,668 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:58,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58 WrapperNode [2021-11-23 15:54:58,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:58,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:58,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:58,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:58,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,721 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2021-11-23 15:54:58,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:58,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:58,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:58,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:58,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:58,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:58,750 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:58,750 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:58,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:58" (1/1) ... [2021-11-23 15:54:58,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:58,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:58,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:58,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:58,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:58,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:58,901 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:58,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:59,019 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:59,033 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 15:54:59,037 INFO L158 Benchmark]: Toolchain (without parser) took 701.65ms. Allocated memory is still 107.0MB. Free memory was 74.1MB in the beginning and 69.7MB in the end (delta: 4.4MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:59,038 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 86.0MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:59,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.45ms. Allocated memory is still 107.0MB. Free memory was 73.9MB in the beginning and 81.9MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:59,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.00ms. Allocated memory is still 107.0MB. Free memory was 81.9MB in the beginning and 80.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:59,041 INFO L158 Benchmark]: Boogie Preprocessor took 26.22ms. Allocated memory is still 107.0MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:59,042 INFO L158 Benchmark]: RCFGBuilder took 286.19ms. Allocated memory is still 107.0MB. Free memory was 79.2MB in the beginning and 69.7MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:59,045 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 86.0MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.45ms. Allocated memory is still 107.0MB. Free memory was 73.9MB in the beginning and 81.9MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.00ms. Allocated memory is still 107.0MB. Free memory was 81.9MB in the beginning and 80.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.22ms. Allocated memory is still 107.0MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.19ms. Allocated memory is still 107.0MB. Free memory was 79.2MB in the beginning and 69.7MB in the end (delta: 9.5MB). 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 15:54:59,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/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_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/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_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/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_a8d331b9-aa46-42fe-9545-5638ef133f45/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 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:01,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:01,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:01,645 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:01,646 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:01,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:01,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:01,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:01,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:01,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:01,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:01,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:01,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:01,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:01,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:01,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:01,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:01,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:01,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:01,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:01,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:01,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:01,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:01,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:01,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:01,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:01,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:01,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:01,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:01,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:01,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:01,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:01,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:01,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:01,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:01,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:01,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:01,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:01,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:01,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:01,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:01,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:01,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:01,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:01,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:01,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:01,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:01,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:01,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:01,734 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:01,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:01,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:01,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:01,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:01,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:01,735 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:01,736 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:01,736 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:01,736 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:01,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:01,737 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:01,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:01,737 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:01,737 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:01,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:01,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:01,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:01,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:01,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:01,739 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:01,739 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:01,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:01,740 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:01,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:01,740 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_a8d331b9-aa46-42fe-9545-5638ef133f45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 573a31c00e41ae75ac0c33bb566a9b1a0edc6ad80bfad98caf671cb01963ec0c [2021-11-23 15:55:02,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:02,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:02,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:02,172 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:02,173 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:02,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/bitvector/modulus-2.i [2021-11-23 15:55:02,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/data/a4053f273/c8badf398280409fa322c1acc23557de/FLAGf6f4c6395 [2021-11-23 15:55:02,756 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:02,760 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/sv-benchmarks/c/bitvector/modulus-2.i [2021-11-23 15:55:02,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/data/a4053f273/c8badf398280409fa322c1acc23557de/FLAGf6f4c6395 [2021-11-23 15:55:03,122 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/data/a4053f273/c8badf398280409fa322c1acc23557de [2021-11-23 15:55:03,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:03,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:03,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:03,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:03,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:03,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c1b858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03, skipping insertion in model container [2021-11-23 15:55:03,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:03,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:03,368 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_a8d331b9-aa46-42fe-9545-5638ef133f45/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2021-11-23 15:55:03,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:03,428 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:03,471 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_a8d331b9-aa46-42fe-9545-5638ef133f45/sv-benchmarks/c/bitvector/modulus-2.i[1252,1265] [2021-11-23 15:55:03,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:03,508 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:03,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03 WrapperNode [2021-11-23 15:55:03,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:03,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:03,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:03,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:03,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,561 INFO L137 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2021-11-23 15:55:03,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:03,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:03,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:03,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:03,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:03,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:03,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:03,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:03,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:03,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:03,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:03,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:03,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:03,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:03,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:03,784 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:03,786 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:03,968 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:03,982 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 15:55:03,987 INFO L158 Benchmark]: Toolchain (without parser) took 859.77ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 36.2MB in the end (delta: 9.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,988 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 65.0MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:03,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.55ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 48.0MB in the end (delta: -2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.68ms. Allocated memory is still 65.0MB. Free memory was 48.0MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:03,991 INFO L158 Benchmark]: Boogie Preprocessor took 50.10ms. Allocated memory is still 65.0MB. Free memory was 46.4MB in the beginning and 45.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,992 INFO L158 Benchmark]: RCFGBuilder took 371.50ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 36.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,996 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 65.0MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.55ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 48.0MB in the end (delta: -2.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.68ms. Allocated memory is still 65.0MB. Free memory was 48.0MB in the beginning and 46.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.10ms. Allocated memory is still 65.0MB. Free memory was 46.4MB in the beginning and 45.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.50ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 36.2MB in the end (delta: 9.2MB). 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 15:55:04,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8d331b9-aa46-42fe-9545-5638ef133f45/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