./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label25.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_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/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_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/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_8db6416a-4f81-4090-886c-afcd27c87776/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 50009d3cee115e6c946845c8dea73b682d6ca1c8ac2b72eafcca7237d27aa86d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:15,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:15,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:16,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:16,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:16,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:16,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:16,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:16,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:16,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:16,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:16,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:16,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:16,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:16,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:16,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:16,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:16,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:16,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:16,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:16,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:16,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:16,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:16,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:16,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:16,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:16,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:16,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:16,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:16,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:16,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:16,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:16,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:16,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:16,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:16,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:16,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:16,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:16,120 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:16,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:16,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:16,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:39:16,172 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:16,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:16,174 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:16,174 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:16,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:16,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:16,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:16,175 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:16,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:39:16,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:16,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:16,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:16,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:16,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:16,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:16,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:16,177 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:16,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:16,178 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:16,178 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:16,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:16,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:16,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:16,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:16,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:16,180 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:39:16,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:39:16,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:16,180 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_8db6416a-4f81-4090-886c-afcd27c87776/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50009d3cee115e6c946845c8dea73b682d6ca1c8ac2b72eafcca7237d27aa86d [2021-11-23 15:39:16,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:16,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:16,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:16,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:16,488 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:16,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label25.c [2021-11-23 15:39:16,584 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/data/fcaf4f75b/a8c8eeb354374cfe947acbdcd64ef068/FLAG989a57a43 [2021-11-23 15:39:17,429 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:17,430 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/sv-benchmarks/c/eca-rers2012/Problem04_label25.c [2021-11-23 15:39:17,467 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/data/fcaf4f75b/a8c8eeb354374cfe947acbdcd64ef068/FLAG989a57a43 [2021-11-23 15:39:17,982 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/data/fcaf4f75b/a8c8eeb354374cfe947acbdcd64ef068 [2021-11-23 15:39:17,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:17,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:17,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:17,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:17,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:17,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:17,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b399b42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:17, skipping insertion in model container [2021-11-23 15:39:17,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:17" (1/1) ... [2021-11-23 15:39:18,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:18,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:19,533 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_8db6416a-4f81-4090-886c-afcd27c87776/sv-benchmarks/c/eca-rers2012/Problem04_label25.c[181963,181976] [2021-11-23 15:39:19,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:19,563 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:20,303 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_8db6416a-4f81-4090-886c-afcd27c87776/sv-benchmarks/c/eca-rers2012/Problem04_label25.c[181963,181976] [2021-11-23 15:39:20,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:20,342 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:20,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:20 WrapperNode [2021-11-23 15:39:20,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:20,345 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:20,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:20,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:20,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:20" (1/1) ... [2021-11-23 15:39:20,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:20" (1/1) ... [2021-11-23 15:39:20,694 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2021-11-23 15:39:20,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:20,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:20,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:20,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:20,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:20" (1/1) ... [2021-11-23 15:39:20,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:20" (1/1) ... [2021-11-23 15:39:20,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:20" (1/1) ... [2021-11-23 15:39:20,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:20" (1/1) ... [2021-11-23 15:39:20,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:20" (1/1) ... [2021-11-23 15:39:20,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:20" (1/1) ... [2021-11-23 15:39:20,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:20" (1/1) ... [2021-11-23 15:39:20,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:20,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:20,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:20,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:20,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:20" (1/1) ... [2021-11-23 15:39:20,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:20,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:20,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:20,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:39:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:20,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:21,124 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:21,126 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:25,247 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:25,294 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 15:39:25,298 INFO L158 Benchmark]: Toolchain (without parser) took 7311.42ms. Allocated memory was 98.6MB in the beginning and 360.7MB in the end (delta: 262.1MB). Free memory was 52.6MB in the beginning and 182.3MB in the end (delta: -129.7MB). Peak memory consumption was 184.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:25,299 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:25,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2356.73ms. Allocated memory was 98.6MB in the beginning and 192.9MB in the end (delta: 94.4MB). Free memory was 52.3MB in the beginning and 119.1MB in the end (delta: -66.8MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:25,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 349.42ms. Allocated memory is still 192.9MB. Free memory was 119.1MB in the beginning and 116.7MB in the end (delta: 2.4MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:25,301 INFO L158 Benchmark]: Boogie Preprocessor took 186.82ms. Allocated memory is still 192.9MB. Free memory was 116.7MB in the beginning and 89.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:39:25,302 INFO L158 Benchmark]: RCFGBuilder took 4413.46ms. Allocated memory was 192.9MB in the beginning and 360.7MB in the end (delta: 167.8MB). Free memory was 89.4MB in the beginning and 182.3MB in the end (delta: -92.8MB). Peak memory consumption was 127.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:25,305 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 98.6MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2356.73ms. Allocated memory was 98.6MB in the beginning and 192.9MB in the end (delta: 94.4MB). Free memory was 52.3MB in the beginning and 119.1MB in the end (delta: -66.8MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 349.42ms. Allocated memory is still 192.9MB. Free memory was 119.1MB in the beginning and 116.7MB in the end (delta: 2.4MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 186.82ms. Allocated memory is still 192.9MB. Free memory was 116.7MB in the beginning and 89.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4413.46ms. Allocated memory was 192.9MB in the beginning and 360.7MB in the end (delta: 167.8MB). Free memory was 89.4MB in the beginning and 182.3MB in the end (delta: -92.8MB). Peak memory consumption was 127.5MB. 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 15:39:25,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/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_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/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_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/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_8db6416a-4f81-4090-886c-afcd27c87776/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 50009d3cee115e6c946845c8dea73b682d6ca1c8ac2b72eafcca7237d27aa86d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:28,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:28,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:28,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:28,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:28,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:28,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:28,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:28,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:28,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:28,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:28,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:28,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:28,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:28,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:28,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:28,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:28,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:28,127 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:28,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:28,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:28,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:28,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:28,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:28,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:28,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:28,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:28,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:28,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:28,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:28,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:28,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:28,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:28,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:28,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:28,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:28,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:28,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:28,173 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:28,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:28,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:28,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:39:28,217 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:28,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:28,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:28,219 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:28,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:28,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:28,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:28,221 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:28,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:28,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:28,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:28,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:28,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:28,224 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:39:28,224 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:39:28,224 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:39:28,224 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:28,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:28,225 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:28,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:28,225 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:28,226 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:28,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:28,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:28,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:28,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:28,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:28,227 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:39:28,227 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:39:28,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:28,228 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:39:28,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:39:28,229 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_8db6416a-4f81-4090-886c-afcd27c87776/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50009d3cee115e6c946845c8dea73b682d6ca1c8ac2b72eafcca7237d27aa86d [2021-11-23 15:39:28,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:28,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:28,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:28,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:28,704 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:28,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label25.c [2021-11-23 15:39:28,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/data/f1bece93a/fe0f6b09122c4dd58c3c0d86621b43f0/FLAGe0bb6473d [2021-11-23 15:39:29,830 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:29,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/sv-benchmarks/c/eca-rers2012/Problem04_label25.c [2021-11-23 15:39:29,872 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/data/f1bece93a/fe0f6b09122c4dd58c3c0d86621b43f0/FLAGe0bb6473d [2021-11-23 15:39:30,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/data/f1bece93a/fe0f6b09122c4dd58c3c0d86621b43f0 [2021-11-23 15:39:30,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:30,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:30,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:30,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:30,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:30,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:30,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477f2c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:30, skipping insertion in model container [2021-11-23 15:39:30,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:30" (1/1) ... [2021-11-23 15:39:30,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:30,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:31,973 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_8db6416a-4f81-4090-886c-afcd27c87776/sv-benchmarks/c/eca-rers2012/Problem04_label25.c[181963,181976] [2021-11-23 15:39:31,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:32,009 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:32,823 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_8db6416a-4f81-4090-886c-afcd27c87776/sv-benchmarks/c/eca-rers2012/Problem04_label25.c[181963,181976] [2021-11-23 15:39:32,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:32,869 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:32,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:32 WrapperNode [2021-11-23 15:39:32,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:32,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:32,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:32,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:32,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:32" (1/1) ... [2021-11-23 15:39:32,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:32" (1/1) ... [2021-11-23 15:39:33,225 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2021-11-23 15:39:33,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:33,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:33,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:33,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:33,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:32" (1/1) ... [2021-11-23 15:39:33,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:32" (1/1) ... [2021-11-23 15:39:33,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:32" (1/1) ... [2021-11-23 15:39:33,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:32" (1/1) ... [2021-11-23 15:39:33,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:32" (1/1) ... [2021-11-23 15:39:33,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:32" (1/1) ... [2021-11-23 15:39:33,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:32" (1/1) ... [2021-11-23 15:39:33,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:33,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:33,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:33,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:33,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:32" (1/1) ... [2021-11-23 15:39:33,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:33,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:33,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:33,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:39:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:33,912 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:33,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:40,397 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:40,459 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 15:39:40,463 INFO L158 Benchmark]: Toolchain (without parser) took 10213.16ms. Allocated memory was 60.8MB in the beginning and 343.9MB in the end (delta: 283.1MB). Free memory was 35.8MB in the beginning and 166.9MB in the end (delta: -131.1MB). Peak memory consumption was 224.2MB. Max. memory is 16.1GB. [2021-11-23 15:39:40,464 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 40.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:40,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2619.88ms. Allocated memory was 60.8MB in the beginning and 115.3MB in the end (delta: 54.5MB). Free memory was 35.5MB in the beginning and 55.1MB in the end (delta: -19.6MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2021-11-23 15:39:40,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 353.71ms. Allocated memory is still 115.3MB. Free memory was 55.1MB in the beginning and 36.6MB in the end (delta: 18.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2021-11-23 15:39:40,467 INFO L158 Benchmark]: Boogie Preprocessor took 461.67ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 36.6MB in the beginning and 91.5MB in the end (delta: -54.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-11-23 15:39:40,468 INFO L158 Benchmark]: RCFGBuilder took 6770.40ms. Allocated memory was 172.0MB in the beginning and 343.9MB in the end (delta: 172.0MB). Free memory was 91.5MB in the beginning and 166.9MB in the end (delta: -75.5MB). Peak memory consumption was 168.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:40,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 40.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2619.88ms. Allocated memory was 60.8MB in the beginning and 115.3MB in the end (delta: 54.5MB). Free memory was 35.5MB in the beginning and 55.1MB in the end (delta: -19.6MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 353.71ms. Allocated memory is still 115.3MB. Free memory was 55.1MB in the beginning and 36.6MB in the end (delta: 18.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 461.67ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 36.6MB in the beginning and 91.5MB in the end (delta: -54.8MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * RCFGBuilder took 6770.40ms. Allocated memory was 172.0MB in the beginning and 343.9MB in the end (delta: 172.0MB). Free memory was 91.5MB in the beginning and 166.9MB in the end (delta: -75.5MB). Peak memory consumption was 168.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:39:40,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8db6416a-4f81-4090-886c-afcd27c87776/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