./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-027.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_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/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_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-027.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/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_85ce71d1-1523-4522-a963-284eb10db53d/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 0a0537422954cddc65813171574bfd8b9ffb2426abaf3eda1f2c58adab914b71 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:27,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:27,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:27,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:27,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:27,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:27,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:27,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:27,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:27,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:27,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:27,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:27,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:27,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:27,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:27,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:27,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:27,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:27,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:27,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:27,887 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:27,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:27,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:27,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:27,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:27,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:27,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:27,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:27,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:27,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:27,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:27,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:27,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:27,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:27,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:27,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:27,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:27,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:27,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:27,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:27,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:27,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:27,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:27,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:27,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:27,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:27,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:27,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:27,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:27,969 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:27,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:27,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:27,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:27,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:27,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:27,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:27,971 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:27,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:27,971 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:27,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:27,972 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:27,972 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:27,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:27,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:27,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:27,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:27,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:27,973 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:27,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:27,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:27,974 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_85ce71d1-1523-4522-a963-284eb10db53d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a0537422954cddc65813171574bfd8b9ffb2426abaf3eda1f2c58adab914b71 [2021-11-23 15:05:28,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:28,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:28,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:28,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:28,264 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:28,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-027.c [2021-11-23 15:05:28,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/data/3193781db/aed78c7382504e8eb0424afba0e15ee3/FLAG87ffa8fc1 [2021-11-23 15:05:28,880 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:28,881 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/sv-benchmarks/c/xcsp/Dubois-027.c [2021-11-23 15:05:28,909 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/data/3193781db/aed78c7382504e8eb0424afba0e15ee3/FLAG87ffa8fc1 [2021-11-23 15:05:29,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/data/3193781db/aed78c7382504e8eb0424afba0e15ee3 [2021-11-23 15:05:29,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:29,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:29,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:29,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:29,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:29,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59fc69ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29, skipping insertion in model container [2021-11-23 15:05:29,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:29,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:29,695 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_85ce71d1-1523-4522-a963-284eb10db53d/sv-benchmarks/c/xcsp/Dubois-027.c[19188,19201] [2021-11-23 15:05:29,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:29,711 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:29,804 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_85ce71d1-1523-4522-a963-284eb10db53d/sv-benchmarks/c/xcsp/Dubois-027.c[19188,19201] [2021-11-23 15:05:29,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:29,820 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:29,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29 WrapperNode [2021-11-23 15:05:29,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:29,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:29,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:29,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:29,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,902 INFO L137 Inliner]: procedures = 13, calls = 223, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 557 [2021-11-23 15:05:29,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:29,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:29,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:29,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:29,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:30,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:30,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:30,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:30,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:30,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:30,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:30,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:30,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:30,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:30,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:30,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:30,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:05:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:05:30,291 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:30,293 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:30,768 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:30,798 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 15:05:30,813 INFO L158 Benchmark]: Toolchain (without parser) took 1612.06ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 70.0MB in the beginning and 70.5MB in the end (delta: -482.1kB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:30,814 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 67.1MB in the end (delta: 19.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:30,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.66ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 46.1MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:30,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.20ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 38.8MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:30,817 INFO L158 Benchmark]: Boogie Preprocessor took 160.02ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 38.8MB in the beginning and 97.8MB in the end (delta: -58.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:30,817 INFO L158 Benchmark]: RCFGBuilder took 746.87ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 70.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:30,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 67.1MB in the beginning and 67.1MB in the end (delta: 19.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.66ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 46.1MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.20ms. Allocated memory is still 92.3MB. Free memory was 45.9MB in the beginning and 38.8MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 160.02ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 38.8MB in the beginning and 97.8MB in the end (delta: -58.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * RCFGBuilder took 746.87ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 70.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:30,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/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_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/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_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-027.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/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_85ce71d1-1523-4522-a963-284eb10db53d/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 0a0537422954cddc65813171574bfd8b9ffb2426abaf3eda1f2c58adab914b71 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:33,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:33,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:33,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:33,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:33,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:33,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:33,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:33,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:33,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:33,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:33,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:33,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:33,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:33,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:33,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:33,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:33,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:33,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:33,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:33,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:33,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:33,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:33,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:33,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:33,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:33,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:33,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:33,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:33,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:33,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:33,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:33,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:33,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:33,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:33,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:33,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:33,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:33,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:33,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:33,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:33,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:33,532 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:33,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:33,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:33,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:33,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:33,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:33,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:33,536 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:33,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:33,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:33,538 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:33,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:33,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:33,538 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:33,539 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:33,539 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:33,539 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:33,539 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:33,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:33,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:33,540 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:33,540 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:33,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:33,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:33,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:33,541 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:33,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:33,542 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:33,542 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:33,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:33,542 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:33,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:33,543 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_85ce71d1-1523-4522-a963-284eb10db53d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a0537422954cddc65813171574bfd8b9ffb2426abaf3eda1f2c58adab914b71 [2021-11-23 15:05:33,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:33,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:33,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:33,960 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:33,961 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:33,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-027.c [2021-11-23 15:05:34,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/data/78ae607fa/d2a461f3b2e74149bb52219c107c1cc0/FLAGebe11d292 [2021-11-23 15:05:34,645 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:34,650 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/sv-benchmarks/c/xcsp/Dubois-027.c [2021-11-23 15:05:34,666 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/data/78ae607fa/d2a461f3b2e74149bb52219c107c1cc0/FLAGebe11d292 [2021-11-23 15:05:34,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/data/78ae607fa/d2a461f3b2e74149bb52219c107c1cc0 [2021-11-23 15:05:34,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:34,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:34,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:34,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:34,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:34,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61f8cb23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:34, skipping insertion in model container [2021-11-23 15:05:34,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:34" (1/1) ... [2021-11-23 15:05:34,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:35,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:35,468 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_85ce71d1-1523-4522-a963-284eb10db53d/sv-benchmarks/c/xcsp/Dubois-027.c[19188,19201] [2021-11-23 15:05:35,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:35,493 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:35,569 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_85ce71d1-1523-4522-a963-284eb10db53d/sv-benchmarks/c/xcsp/Dubois-027.c[19188,19201] [2021-11-23 15:05:35,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:35,587 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:35,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35 WrapperNode [2021-11-23 15:05:35,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:35,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:35,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:35,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:35,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,696 INFO L137 Inliner]: procedures = 13, calls = 223, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 476 [2021-11-23 15:05:35,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:35,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:35,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:35,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:35,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:35,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:35,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:35,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:35,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:35,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:35,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:35,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:05:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:05:36,035 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:36,043 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:36,712 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:36,748 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 15:05:36,755 INFO L158 Benchmark]: Toolchain (without parser) took 1814.00ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 45.0MB in the beginning and 54.6MB in the end (delta: -9.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,756 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:36,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.69ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 33.6MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.67ms. Allocated memory is still 67.1MB. Free memory was 33.6MB in the beginning and 27.1MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,759 INFO L158 Benchmark]: Boogie Preprocessor took 95.84ms. Allocated memory is still 67.1MB. Free memory was 27.1MB in the beginning and 44.5MB in the end (delta: -17.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,760 INFO L158 Benchmark]: RCFGBuilder took 958.84ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 44.5MB in the beginning and 54.6MB in the end (delta: -10.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.69ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 33.6MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.67ms. Allocated memory is still 67.1MB. Free memory was 33.6MB in the beginning and 27.1MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.84ms. Allocated memory is still 67.1MB. Free memory was 27.1MB in the beginning and 44.5MB in the end (delta: -17.4MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * RCFGBuilder took 958.84ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 44.5MB in the beginning and 54.6MB in the end (delta: -10.1MB). Peak memory consumption was 23.7MB. 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 15:05:36,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ce71d1-1523-4522-a963-284eb10db53d/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