./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label02.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_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/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_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/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_9d99a209-d078-4bb2-86f5-300f09906624/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 5057001587b31af0d9267b7a81b3d3f3e516585c42fa14cc5f4375d56abd7166 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:56,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:56,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:56,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:56,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:56,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:56,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:56,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:56,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:56,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:56,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:56,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:56,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:56,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:56,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:56,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:56,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:56,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:56,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:56,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:56,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:56,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:56,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:56,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:56,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:56,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:56,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:56,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:56,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:56,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:56,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:56,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:56,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:56,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:56,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:56,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:56,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:56,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:56,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:56,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:56,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:56,973 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:56,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:56,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:57,000 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:57,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:57,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:57,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:57,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:57,002 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:57,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:57,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:57,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:57,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:57,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:57,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:57,004 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:57,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:57,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:57,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:57,005 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:57,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:57,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:57,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:57,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:57,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:57,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:57,007 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:57,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:57,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:57,008 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_9d99a209-d078-4bb2-86f5-300f09906624/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5057001587b31af0d9267b7a81b3d3f3e516585c42fa14cc5f4375d56abd7166 [2021-11-23 15:58:57,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:57,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:57,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:57,377 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:57,377 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:57,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem101_label02.c [2021-11-23 15:58:57,462 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/data/9d2955302/054e917bd06149f18e9b8cecf6516184/FLAG57f786975 [2021-11-23 15:59:00,650 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:00,652 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/sv-benchmarks/c/eca-programs/Problem101_label02.c [2021-11-23 15:59:00,807 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/data/9d2955302/054e917bd06149f18e9b8cecf6516184/FLAG57f786975 [2021-11-23 15:59:00,867 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/data/9d2955302/054e917bd06149f18e9b8cecf6516184 [2021-11-23 15:59:00,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:00,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:00,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:00,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:00,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:00,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765e5cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:00, skipping insertion in model container [2021-11-23 15:59:00,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:00" (1/1) ... [2021-11-23 15:59:00,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:01,871 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:14,014 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_9d99a209-d078-4bb2-86f5-300f09906624/sv-benchmarks/c/eca-programs/Problem101_label02.c[2769695,2769708] [2021-11-23 15:59:14,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:14,087 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:21,060 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_9d99a209-d078-4bb2-86f5-300f09906624/sv-benchmarks/c/eca-programs/Problem101_label02.c[2769695,2769708] [2021-11-23 15:59:21,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:21,765 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:21,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21 WrapperNode [2021-11-23 15:59:21,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:21,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:21,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:21,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:21,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:22,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:25,776 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83780 [2021-11-23 15:59:25,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:25,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:25,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:25,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:25,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:25,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:26,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:26,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:27,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:27,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:27,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:28,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:28,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:28,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:28,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:28,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:28,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:28,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:28,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:28,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:28,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:28,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:59:28,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:28,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:29,119 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:29,149 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:00:04,002 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:00:04,167 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 16:00:04,173 INFO L158 Benchmark]: Toolchain (without parser) took 63300.78ms. Allocated memory was 421.5MB in the beginning and 8.3GB in the end (delta: 7.9GB). Free memory was 266.5MB in the beginning and 6.6GB in the end (delta: -6.4GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2021-11-23 16:00:04,175 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory was 92.7MB in the beginning and 92.6MB in the end (delta: 57.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:00:04,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 20894.25ms. Allocated memory was 421.5MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 265.6MB in the beginning and 894.8MB in the end (delta: -629.1MB). Peak memory consumption was 683.7MB. Max. memory is 16.1GB. [2021-11-23 16:00:04,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 4010.13ms. Allocated memory was 1.7GB in the beginning and 3.1GB in the end (delta: 1.5GB). Free memory was 894.8MB in the beginning and 2.2GB in the end (delta: -1.3GB). Peak memory consumption was 396.4MB. Max. memory is 16.1GB. [2021-11-23 16:00:04,179 INFO L158 Benchmark]: Boogie Preprocessor took 2635.99ms. Allocated memory was 3.1GB in the beginning and 5.7GB in the end (delta: 2.6GB). Free memory was 2.2GB in the beginning and 4.5GB in the end (delta: -2.3GB). Peak memory consumption was 331.4MB. Max. memory is 16.1GB. [2021-11-23 16:00:04,181 INFO L158 Benchmark]: RCFGBuilder took 35755.97ms. Allocated memory was 5.7GB in the beginning and 8.3GB in the end (delta: 2.6GB). Free memory was 4.5GB in the beginning and 6.6GB in the end (delta: -2.1GB). Peak memory consumption was 518.0MB. Max. memory is 16.1GB. [2021-11-23 16:00:04,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory was 92.7MB in the beginning and 92.6MB in the end (delta: 57.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 20894.25ms. Allocated memory was 421.5MB in the beginning and 1.7GB in the end (delta: 1.3GB). Free memory was 265.6MB in the beginning and 894.8MB in the end (delta: -629.1MB). Peak memory consumption was 683.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 4010.13ms. Allocated memory was 1.7GB in the beginning and 3.1GB in the end (delta: 1.5GB). Free memory was 894.8MB in the beginning and 2.2GB in the end (delta: -1.3GB). Peak memory consumption was 396.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2635.99ms. Allocated memory was 3.1GB in the beginning and 5.7GB in the end (delta: 2.6GB). Free memory was 2.2GB in the beginning and 4.5GB in the end (delta: -2.3GB). Peak memory consumption was 331.4MB. Max. memory is 16.1GB. * RCFGBuilder took 35755.97ms. Allocated memory was 5.7GB in the beginning and 8.3GB in the end (delta: 2.6GB). Free memory was 4.5GB in the beginning and 6.6GB in the end (delta: -2.1GB). Peak memory consumption was 518.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:00:04,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/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_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/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_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/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_9d99a209-d078-4bb2-86f5-300f09906624/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 5057001587b31af0d9267b7a81b3d3f3e516585c42fa14cc5f4375d56abd7166 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:00:06,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:00:06,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:00:06,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:00:06,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:00:06,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:00:06,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:00:06,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:00:06,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:00:06,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:00:06,655 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:00:06,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:00:06,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:00:06,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:00:06,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:00:06,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:00:06,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:00:06,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:00:06,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:00:06,669 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:00:06,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:00:06,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:00:06,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:00:06,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:00:06,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:00:06,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:00:06,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:00:06,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:00:06,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:00:06,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:00:06,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:00:06,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:00:06,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:00:06,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:00:06,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:00:06,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:00:06,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:00:06,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:00:06,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:00:06,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:00:06,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:00:06,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 16:00:06,754 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:00:06,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:00:06,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:00:06,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 16:00:06,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:00:06,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:00:06,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:00:06,758 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:00:06,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:00:06,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:00:06,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:00:06,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:00:06,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:00:06,760 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:00:06,760 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:00:06,760 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:00:06,760 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:00:06,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:00:06,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:00:06,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:00:06,761 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 16:00:06,762 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 16:00:06,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:00:06,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 16:00:06,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:00:06,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:00:06,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:00:06,763 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:00:06,763 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:00:06,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:00:06,764 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 16:00:06,764 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:00:06,765 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_9d99a209-d078-4bb2-86f5-300f09906624/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5057001587b31af0d9267b7a81b3d3f3e516585c42fa14cc5f4375d56abd7166 [2021-11-23 16:00:07,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:00:07,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:00:07,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:00:07,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:00:07,171 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:00:07,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem101_label02.c [2021-11-23 16:00:07,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/data/c4c1da36d/f53e987abcc04448bc22ad77b062c175/FLAGe2d9abe66 [2021-11-23 16:00:10,066 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:00:10,067 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/sv-benchmarks/c/eca-programs/Problem101_label02.c [2021-11-23 16:00:10,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/data/c4c1da36d/f53e987abcc04448bc22ad77b062c175/FLAGe2d9abe66 [2021-11-23 16:00:10,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/data/c4c1da36d/f53e987abcc04448bc22ad77b062c175 [2021-11-23 16:00:10,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:00:10,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:00:10,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:00:10,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:00:10,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:00:10,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:00:10" (1/1) ... [2021-11-23 16:00:10,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737ca4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:10, skipping insertion in model container [2021-11-23 16:00:10,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:00:10" (1/1) ... [2021-11-23 16:00:10,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:00:11,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:00:23,651 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_9d99a209-d078-4bb2-86f5-300f09906624/sv-benchmarks/c/eca-programs/Problem101_label02.c[2769695,2769708] [2021-11-23 16:00:23,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:00:23,726 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:00:30,695 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_9d99a209-d078-4bb2-86f5-300f09906624/sv-benchmarks/c/eca-programs/Problem101_label02.c[2769695,2769708] [2021-11-23 16:00:30,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:00:31,587 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:00:31,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:31 WrapperNode [2021-11-23 16:00:31,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:00:31,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:00:31,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:00:31,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:00:31,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:31" (1/1) ... [2021-11-23 16:00:32,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:31" (1/1) ... [2021-11-23 16:00:35,137 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83733 [2021-11-23 16:00:35,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:00:35,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:00:35,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:00:35,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:00:35,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:31" (1/1) ... [2021-11-23 16:00:35,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:31" (1/1) ... [2021-11-23 16:00:35,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:31" (1/1) ... [2021-11-23 16:00:35,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:31" (1/1) ... [2021-11-23 16:00:37,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:31" (1/1) ... [2021-11-23 16:00:37,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:31" (1/1) ... [2021-11-23 16:00:38,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:31" (1/1) ... [2021-11-23 16:00:38,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:00:38,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:00:38,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:00:38,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:00:38,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:31" (1/1) ... [2021-11-23 16:00:38,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 16:00:38,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 16:00:38,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 16:00:38,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 16:00:38,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:00:38,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:00:38,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:00:38,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:00:38,878 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:00:38,879 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:01:29,044 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:01:29,165 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 16:01:29,169 INFO L158 Benchmark]: Toolchain (without parser) took 78490.28ms. Allocated memory was 335.5MB in the beginning and 8.5GB in the end (delta: 8.1GB). Free memory was 183.8MB in the beginning and 6.7GB in the end (delta: -6.5GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2021-11-23 16:01:29,170 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:01:29,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 20907.45ms. Allocated memory was 335.5MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 183.8MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 865.1MB. Max. memory is 16.1GB. [2021-11-23 16:01:29,172 INFO L158 Benchmark]: Boogie Procedure Inliner took 3549.49ms. Allocated memory was 2.4GB in the beginning and 4.7GB in the end (delta: 2.4GB). Free memory was 1.6GB in the beginning and 3.7GB in the end (delta: -2.1GB). Peak memory consumption was 350.2MB. Max. memory is 16.1GB. [2021-11-23 16:01:29,173 INFO L158 Benchmark]: Boogie Preprocessor took 3520.42ms. Allocated memory is still 4.7GB. Free memory was 3.7GB in the beginning and 3.5GB in the end (delta: 212.9MB). Peak memory consumption was 297.8MB. Max. memory is 16.1GB. [2021-11-23 16:01:29,174 INFO L158 Benchmark]: RCFGBuilder took 50506.55ms. Allocated memory was 4.7GB in the beginning and 8.5GB in the end (delta: 3.7GB). Free memory was 3.5GB in the beginning and 6.7GB in the end (delta: -3.3GB). Peak memory consumption was 633.3MB. Max. memory is 16.1GB. [2021-11-23 16:01:29,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 20907.45ms. Allocated memory was 335.5MB in the beginning and 2.4GB in the end (delta: 2.0GB). Free memory was 183.8MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 865.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3549.49ms. Allocated memory was 2.4GB in the beginning and 4.7GB in the end (delta: 2.4GB). Free memory was 1.6GB in the beginning and 3.7GB in the end (delta: -2.1GB). Peak memory consumption was 350.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3520.42ms. Allocated memory is still 4.7GB. Free memory was 3.7GB in the beginning and 3.5GB in the end (delta: 212.9MB). Peak memory consumption was 297.8MB. Max. memory is 16.1GB. * RCFGBuilder took 50506.55ms. Allocated memory was 4.7GB in the beginning and 8.5GB in the end (delta: 3.7GB). Free memory was 3.5GB in the beginning and 6.7GB in the end (delta: -3.3GB). Peak memory consumption was 633.3MB. 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 16:01:29,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d99a209-d078-4bb2-86f5-300f09906624/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