./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label18.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_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/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_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/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_32f139b9-6b20-4780-a5d7-c4654a68f568/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 d37cc054943fa8b1eb7628e7c1bb2a31caa49744b497c911cc2a7e740f8d544d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:29,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:29,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:29,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:29,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:29,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:29,934 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:29,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:29,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:29,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:29,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:29,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:29,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:29,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:29,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:29,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:29,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:29,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:29,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:29,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:29,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:29,982 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:29,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:29,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:29,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:29,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:29,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:29,996 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:29,997 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:29,998 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:29,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:30,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:30,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:30,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:30,005 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:30,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:30,006 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:30,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:30,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:30,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:30,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:30,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:30,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:30,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:30,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:30,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:30,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:30,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:30,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:30,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:30,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:30,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:30,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:30,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:30,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:30,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:30,058 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:30,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:30,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:30,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:30,059 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:30,059 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:30,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:30,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:30,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:30,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:30,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:30,061 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:30,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:30,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:30,061 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_32f139b9-6b20-4780-a5d7-c4654a68f568/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d37cc054943fa8b1eb7628e7c1bb2a31caa49744b497c911cc2a7e740f8d544d [2021-11-23 15:58:30,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:30,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:30,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:30,403 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:30,404 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:30,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label18.c [2021-11-23 15:58:30,488 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/data/fdaf8dfb8/4df6688283574a1591da7ad4f5cd138a/FLAG0ec89e96b [2021-11-23 15:58:31,546 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:31,549 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/sv-benchmarks/c/eca-rers2012/Problem19_label18.c [2021-11-23 15:58:31,600 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/data/fdaf8dfb8/4df6688283574a1591da7ad4f5cd138a/FLAG0ec89e96b [2021-11-23 15:58:31,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/data/fdaf8dfb8/4df6688283574a1591da7ad4f5cd138a [2021-11-23 15:58:31,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:31,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:31,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:31,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:31,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:31,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:31,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c14058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:31, skipping insertion in model container [2021-11-23 15:58:31,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:31" (1/1) ... [2021-11-23 15:58:31,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:32,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:32,464 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_32f139b9-6b20-4780-a5d7-c4654a68f568/sv-benchmarks/c/eca-rers2012/Problem19_label18.c[4201,4214] [2021-11-23 15:58:34,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:34,207 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:34,246 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_32f139b9-6b20-4780-a5d7-c4654a68f568/sv-benchmarks/c/eca-rers2012/Problem19_label18.c[4201,4214] [2021-11-23 15:58:35,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:35,379 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:35,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:35 WrapperNode [2021-11-23 15:58:35,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:35,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:35,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:35,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:35,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:35" (1/1) ... [2021-11-23 15:58:35,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:35" (1/1) ... [2021-11-23 15:58:36,830 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9425 [2021-11-23 15:58:36,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:36,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:36,832 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:36,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:36,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:35" (1/1) ... [2021-11-23 15:58:36,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:35" (1/1) ... [2021-11-23 15:58:37,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:35" (1/1) ... [2021-11-23 15:58:37,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:35" (1/1) ... [2021-11-23 15:58:37,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:35" (1/1) ... [2021-11-23 15:58:37,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:35" (1/1) ... [2021-11-23 15:58:37,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:35" (1/1) ... [2021-11-23 15:58:38,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:38,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:38,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:38,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:38,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:35" (1/1) ... [2021-11-23 15:58:38,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:38,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:38,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:38,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:38,445 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:38,449 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:48,571 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:48,756 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 15:58:48,769 INFO L158 Benchmark]: Toolchain (without parser) took 16916.86ms. Allocated memory was 98.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 52.0MB in the beginning and 2.0GB in the end (delta: -2.0GB). Peak memory consumption was 442.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:48,771 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory was 55.1MB in the beginning and 55.1MB in the end (delta: 41.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:48,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3529.87ms. Allocated memory was 98.6MB in the beginning and 230.7MB in the end (delta: 132.1MB). Free memory was 52.0MB in the beginning and 109.3MB in the end (delta: -57.4MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:48,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 1449.74ms. Allocated memory was 230.7MB in the beginning and 461.4MB in the end (delta: 230.7MB). Free memory was 109.3MB in the beginning and 275.0MB in the end (delta: -165.7MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:48,776 INFO L158 Benchmark]: Boogie Preprocessor took 1241.92ms. Allocated memory was 461.4MB in the beginning and 1.2GB in the end (delta: 690.0MB). Free memory was 275.0MB in the beginning and 916.8MB in the end (delta: -641.7MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:48,778 INFO L158 Benchmark]: RCFGBuilder took 10690.40ms. Allocated memory was 1.2GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 916.8MB in the beginning and 2.0GB in the end (delta: -1.1GB). Peak memory consumption was 254.0MB. Max. memory is 16.1GB. [2021-11-23 15:58:48,789 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory was 55.1MB in the beginning and 55.1MB in the end (delta: 41.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3529.87ms. Allocated memory was 98.6MB in the beginning and 230.7MB in the end (delta: 132.1MB). Free memory was 52.0MB in the beginning and 109.3MB in the end (delta: -57.4MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1449.74ms. Allocated memory was 230.7MB in the beginning and 461.4MB in the end (delta: 230.7MB). Free memory was 109.3MB in the beginning and 275.0MB in the end (delta: -165.7MB). Peak memory consumption was 111.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1241.92ms. Allocated memory was 461.4MB in the beginning and 1.2GB in the end (delta: 690.0MB). Free memory was 275.0MB in the beginning and 916.8MB in the end (delta: -641.7MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. * RCFGBuilder took 10690.40ms. Allocated memory was 1.2GB in the beginning and 2.3GB in the end (delta: 1.1GB). Free memory was 916.8MB in the beginning and 2.0GB in the end (delta: -1.1GB). Peak memory consumption was 254.0MB. 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 15:58:48,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/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_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/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_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/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_32f139b9-6b20-4780-a5d7-c4654a68f568/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 d37cc054943fa8b1eb7628e7c1bb2a31caa49744b497c911cc2a7e740f8d544d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:51,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:51,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:51,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:51,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:51,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:51,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:51,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:51,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:51,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:51,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:51,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:51,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:51,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:51,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:51,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:51,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:51,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:51,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:51,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:51,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:51,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:51,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:51,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:51,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:51,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:51,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:51,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:51,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:51,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:51,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:51,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:51,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:51,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:51,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:51,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:51,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:51,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:51,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:51,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:51,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:51,689 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:51,736 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:51,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:51,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:51,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:51,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:51,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:51,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:51,742 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:51,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:51,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:51,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:51,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:51,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:51,745 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:51,745 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:51,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:51,745 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:51,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:51,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:51,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:51,746 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:51,747 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:51,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:51,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:51,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:51,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:51,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:51,748 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:51,748 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:51,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:51,749 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:51,749 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:51,750 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_32f139b9-6b20-4780-a5d7-c4654a68f568/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d37cc054943fa8b1eb7628e7c1bb2a31caa49744b497c911cc2a7e740f8d544d [2021-11-23 15:58:52,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:52,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:52,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:52,244 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:52,245 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:52,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label18.c [2021-11-23 15:58:52,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/data/c3f067cb8/a2bc378e2d6b4f0391a1934ce097d65c/FLAGb3e5b285a [2021-11-23 15:58:53,611 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:53,612 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/sv-benchmarks/c/eca-rers2012/Problem19_label18.c [2021-11-23 15:58:53,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/data/c3f067cb8/a2bc378e2d6b4f0391a1934ce097d65c/FLAGb3e5b285a [2021-11-23 15:58:53,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/data/c3f067cb8/a2bc378e2d6b4f0391a1934ce097d65c [2021-11-23 15:58:53,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:53,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:53,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:53,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:53,742 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:53,743 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32cb25d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53, skipping insertion in model container [2021-11-23 15:58:53,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:54,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:54,473 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_32f139b9-6b20-4780-a5d7-c4654a68f568/sv-benchmarks/c/eca-rers2012/Problem19_label18.c[4201,4214] [2021-11-23 15:58:56,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:56,932 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:56,973 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_32f139b9-6b20-4780-a5d7-c4654a68f568/sv-benchmarks/c/eca-rers2012/Problem19_label18.c[4201,4214] [2021-11-23 15:58:58,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:58,647 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:58,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58 WrapperNode [2021-11-23 15:58:58,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:58,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:58,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:58,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:58,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:58,862 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:59,181 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9418 [2021-11-23 15:58:59,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:59,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:59,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:59,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:59,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:59,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:59,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:59,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:59,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:59,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:59,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:59,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:59,937 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:59,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:59,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:59,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:58" (1/1) ... [2021-11-23 15:58:59,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:59,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:59,978 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:59,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:00,172 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:00,174 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:00:04,529 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:00:04,592 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 16:00:04,597 INFO L158 Benchmark]: Toolchain (without parser) took 70862.04ms. Allocated memory was 96.5MB in the beginning and 817.9MB in the end (delta: 721.4MB). Free memory was 68.3MB in the beginning and 636.8MB in the end (delta: -568.5MB). Peak memory consumption was 379.2MB. Max. memory is 16.1GB. [2021-11-23 16:00:04,597 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 57.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:00:04,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4911.81ms. Allocated memory was 96.5MB in the beginning and 205.5MB in the end (delta: 109.1MB). Free memory was 68.1MB in the beginning and 72.6MB in the end (delta: -4.5MB). Peak memory consumption was 111.9MB. Max. memory is 16.1GB. [2021-11-23 16:00:04,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 531.45ms. Allocated memory is still 205.5MB. Free memory was 72.6MB in the beginning and 67.2MB in the end (delta: 5.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2021-11-23 16:00:04,600 INFO L158 Benchmark]: Boogie Preprocessor took 754.16ms. Allocated memory was 205.5MB in the beginning and 392.2MB in the end (delta: 186.6MB). Free memory was 67.2MB in the beginning and 248.0MB in the end (delta: -180.8MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2021-11-23 16:00:04,601 INFO L158 Benchmark]: RCFGBuilder took 64657.55ms. Allocated memory was 392.2MB in the beginning and 817.9MB in the end (delta: 425.7MB). Free memory was 248.0MB in the beginning and 636.8MB in the end (delta: -388.8MB). Peak memory consumption was 262.1MB. Max. memory is 16.1GB. [2021-11-23 16:00:04,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 49.3MB in the end (delta: 57.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4911.81ms. Allocated memory was 96.5MB in the beginning and 205.5MB in the end (delta: 109.1MB). Free memory was 68.1MB in the beginning and 72.6MB in the end (delta: -4.5MB). Peak memory consumption was 111.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 531.45ms. Allocated memory is still 205.5MB. Free memory was 72.6MB in the beginning and 67.2MB in the end (delta: 5.4MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 754.16ms. Allocated memory was 205.5MB in the beginning and 392.2MB in the end (delta: 186.6MB). Free memory was 67.2MB in the beginning and 248.0MB in the end (delta: -180.8MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. * RCFGBuilder took 64657.55ms. Allocated memory was 392.2MB in the beginning and 817.9MB in the end (delta: 425.7MB). Free memory was 248.0MB in the beginning and 636.8MB in the end (delta: -388.8MB). Peak memory consumption was 262.1MB. 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 16:00:04,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32f139b9-6b20-4780-a5d7-c4654a68f568/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