./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label08.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_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/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_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/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_4e54bba9-0664-4902-bcb8-dd54876de574/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 5f3baf3278e480ee3252cf956e13d227a7b17ef9bf91a877ae670efdcd2b9fd2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:41:13,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:41:13,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:41:13,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:41:13,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:41:13,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:41:13,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:41:13,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:41:13,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:41:13,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:41:13,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:41:13,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:41:13,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:41:13,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:41:13,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:41:13,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:41:13,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:41:13,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:41:13,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:41:13,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:41:13,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:41:13,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:41:13,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:41:13,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:41:13,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:41:13,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:41:13,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:41:13,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:41:13,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:41:13,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:41:13,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:41:13,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:41:13,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:41:13,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:41:13,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:41:13,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:41:13,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:41:13,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:41:13,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:41:13,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:41:13,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:41:13,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:41:13,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:41:13,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:41:13,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:41:13,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:41:13,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:41:13,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:41:13,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:41:13,376 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:41:13,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:41:13,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:41:13,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:41:13,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:41:13,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:41:13,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:41:13,378 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:41:13,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:41:13,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:41:13,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:41:13,379 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:41:13,380 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:41:13,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:41:13,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:13,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:41:13,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:41:13,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:41:13,381 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:41:13,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:41:13,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:41:13,382 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_4e54bba9-0664-4902-bcb8-dd54876de574/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f3baf3278e480ee3252cf956e13d227a7b17ef9bf91a877ae670efdcd2b9fd2 [2021-11-23 15:41:13,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:41:13,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:41:13,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:41:13,664 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:41:13,665 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:41:13,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem07_label08.c [2021-11-23 15:41:13,732 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/data/6b8fbc473/d76f32cf0aac4be88f0c47adb4bdcc37/FLAG3aefe9e4a [2021-11-23 15:41:16,844 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:41:16,846 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/sv-benchmarks/c/eca-rers2012/Problem07_label08.c [2021-11-23 15:41:17,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/data/6b8fbc473/d76f32cf0aac4be88f0c47adb4bdcc37/FLAG3aefe9e4a [2021-11-23 15:41:17,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/data/6b8fbc473/d76f32cf0aac4be88f0c47adb4bdcc37 [2021-11-23 15:41:17,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:17,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:17,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:17,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:17,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:17,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:17" (1/1) ... [2021-11-23 15:41:17,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2607f94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:17, skipping insertion in model container [2021-11-23 15:41:17,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:17" (1/1) ... [2021-11-23 15:41:17,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:18,277 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:30,278 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_4e54bba9-0664-4902-bcb8-dd54876de574/sv-benchmarks/c/eca-rers2012/Problem07_label08.c[2772053,2772066] [2021-11-23 15:41:30,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:30,365 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:41:37,902 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_4e54bba9-0664-4902-bcb8-dd54876de574/sv-benchmarks/c/eca-rers2012/Problem07_label08.c[2772053,2772066] [2021-11-23 15:41:37,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:38,998 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:41:38,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:38 WrapperNode [2021-11-23 15:41:38,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:39,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:39,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:41:39,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:41:39,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:38" (1/1) ... [2021-11-23 15:41:39,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:38" (1/1) ... [2021-11-23 15:41:43,049 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83773 [2021-11-23 15:41:43,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:43,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:41:43,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:41:43,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:41:43,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:38" (1/1) ... [2021-11-23 15:41:43,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:38" (1/1) ... [2021-11-23 15:41:43,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:38" (1/1) ... [2021-11-23 15:41:43,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:38" (1/1) ... [2021-11-23 15:41:44,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:38" (1/1) ... [2021-11-23 15:41:45,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:38" (1/1) ... [2021-11-23 15:41:45,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:38" (1/1) ... [2021-11-23 15:41:45,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:41:45,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:41:45,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:41:45,919 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:41:45,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:38" (1/1) ... [2021-11-23 15:41:45,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:45,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:41:45,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:41:45,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:41:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:41:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:41:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:41:45,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:41:46,132 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:41:46,133 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:22,379 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:22,507 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 15:42:22,512 INFO L158 Benchmark]: Toolchain (without parser) took 65411.29ms. Allocated memory was 503.3MB in the beginning and 8.9GB in the end (delta: 8.4GB). Free memory was 356.7MB in the beginning and 7.0GB in the end (delta: -6.7GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-11-23 15:42:22,513 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:22,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 21897.95ms. Allocated memory was 503.3MB in the beginning and 3.2GB in the end (delta: 2.7GB). Free memory was 356.7MB in the beginning and 2.5GB in the end (delta: -2.1GB). Peak memory consumption was 755.0MB. Max. memory is 16.1GB. [2021-11-23 15:42:22,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 4049.66ms. Allocated memory was 3.2GB in the beginning and 5.8GB in the end (delta: 2.6GB). Free memory was 2.5GB in the beginning and 4.8GB in the end (delta: -2.3GB). Peak memory consumption was 451.9MB. Max. memory is 16.1GB. [2021-11-23 15:42:22,517 INFO L158 Benchmark]: Boogie Preprocessor took 2867.59ms. Allocated memory is still 5.8GB. Free memory was 4.8GB in the beginning and 4.5GB in the end (delta: 284.2MB). Peak memory consumption was 329.3MB. Max. memory is 16.1GB. [2021-11-23 15:42:22,518 INFO L158 Benchmark]: RCFGBuilder took 36591.67ms. Allocated memory was 5.8GB in the beginning and 8.9GB in the end (delta: 3.1GB). Free memory was 4.5GB in the beginning and 7.0GB in the end (delta: -2.6GB). Peak memory consumption was 559.9MB. Max. memory is 16.1GB. [2021-11-23 15:42:22,522 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 21897.95ms. Allocated memory was 503.3MB in the beginning and 3.2GB in the end (delta: 2.7GB). Free memory was 356.7MB in the beginning and 2.5GB in the end (delta: -2.1GB). Peak memory consumption was 755.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 4049.66ms. Allocated memory was 3.2GB in the beginning and 5.8GB in the end (delta: 2.6GB). Free memory was 2.5GB in the beginning and 4.8GB in the end (delta: -2.3GB). Peak memory consumption was 451.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2867.59ms. Allocated memory is still 5.8GB. Free memory was 4.8GB in the beginning and 4.5GB in the end (delta: 284.2MB). Peak memory consumption was 329.3MB. Max. memory is 16.1GB. * RCFGBuilder took 36591.67ms. Allocated memory was 5.8GB in the beginning and 8.9GB in the end (delta: 3.1GB). Free memory was 4.5GB in the beginning and 7.0GB in the end (delta: -2.6GB). Peak memory consumption was 559.9MB. 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 15:42:22,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/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_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/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_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/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_4e54bba9-0664-4902-bcb8-dd54876de574/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 5f3baf3278e480ee3252cf956e13d227a7b17ef9bf91a877ae670efdcd2b9fd2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:25,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:25,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:25,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:25,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:25,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:25,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:25,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:25,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:25,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:25,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:25,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:25,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:25,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:25,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:25,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:25,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:25,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:25,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:25,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:25,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:25,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:25,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:25,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:25,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:25,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:25,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:25,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:25,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:25,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:25,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:25,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:25,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:25,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:25,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:25,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:25,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:25,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:25,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:25,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:25,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:25,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:42:25,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:25,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:25,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:42:25,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:42:25,370 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:25,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:25,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:25,370 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:25,371 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:25,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:25,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:42:25,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:25,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:42:25,372 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:42:25,372 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:42:25,372 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:42:25,373 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:25,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:42:25,373 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:25,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:42:25,373 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:25,374 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:25,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:25,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:25,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:25,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:25,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:42:25,375 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:42:25,375 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:42:25,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:42:25,375 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:42:25,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:42:25,376 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_4e54bba9-0664-4902-bcb8-dd54876de574/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f3baf3278e480ee3252cf956e13d227a7b17ef9bf91a877ae670efdcd2b9fd2 [2021-11-23 15:42:25,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:25,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:25,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:25,773 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:25,774 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:25,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem07_label08.c [2021-11-23 15:42:25,857 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/data/7391912ba/9658015e3c464d34a3498b147c67f02c/FLAG386a3be25 [2021-11-23 15:42:29,049 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:29,050 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/sv-benchmarks/c/eca-rers2012/Problem07_label08.c [2021-11-23 15:42:29,204 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/data/7391912ba/9658015e3c464d34a3498b147c67f02c/FLAG386a3be25 [2021-11-23 15:42:29,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/data/7391912ba/9658015e3c464d34a3498b147c67f02c [2021-11-23 15:42:29,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:29,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:29,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:29,312 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:29,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:29,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:29" (1/1) ... [2021-11-23 15:42:29,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5214614f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:29, skipping insertion in model container [2021-11-23 15:42:29,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:29" (1/1) ... [2021-11-23 15:42:29,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:30,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:42,183 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_4e54bba9-0664-4902-bcb8-dd54876de574/sv-benchmarks/c/eca-rers2012/Problem07_label08.c[2772053,2772066] [2021-11-23 15:42:42,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:42,257 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:49,256 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_4e54bba9-0664-4902-bcb8-dd54876de574/sv-benchmarks/c/eca-rers2012/Problem07_label08.c[2772053,2772066] [2021-11-23 15:42:49,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:49,917 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:49,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:49 WrapperNode [2021-11-23 15:42:49,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:49,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:49,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:49,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:49,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:49" (1/1) ... [2021-11-23 15:42:50,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:49" (1/1) ... [2021-11-23 15:42:53,689 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83726 [2021-11-23 15:42:53,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:53,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:53,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:53,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:53,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:49" (1/1) ... [2021-11-23 15:42:53,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:49" (1/1) ... [2021-11-23 15:42:54,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:49" (1/1) ... [2021-11-23 15:42:54,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:49" (1/1) ... [2021-11-23 15:42:55,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:49" (1/1) ... [2021-11-23 15:42:55,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:49" (1/1) ... [2021-11-23 15:42:56,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:49" (1/1) ... [2021-11-23 15:42:56,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:56,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:56,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:56,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:56,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:49" (1/1) ... [2021-11-23 15:42:56,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:56,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:56,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:56,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:56,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:42:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:42:56,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:56,997 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:56,998 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:43:49,175 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:43:49,333 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 15:43:49,338 INFO L158 Benchmark]: Toolchain (without parser) took 80025.33ms. Allocated memory was 490.7MB in the beginning and 8.2GB in the end (delta: 7.7GB). Free memory was 330.3MB in the beginning and 6.5GB in the end (delta: -6.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2021-11-23 15:43:49,338 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:43:49,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 20606.49ms. Allocated memory was 490.7MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 330.3MB in the beginning and 1.3GB in the end (delta: -978.6MB). Peak memory consumption was 685.0MB. Max. memory is 16.1GB. [2021-11-23 15:43:49,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 3770.45ms. Allocated memory was 2.1GB in the beginning and 3.6GB in the end (delta: 1.5GB). Free memory was 1.3GB in the beginning and 2.7GB in the end (delta: -1.4GB). Peak memory consumption was 423.6MB. Max. memory is 16.1GB. [2021-11-23 15:43:49,341 INFO L158 Benchmark]: Boogie Preprocessor took 3084.13ms. Allocated memory was 3.6GB in the beginning and 6.2GB in the end (delta: 2.6GB). Free memory was 2.7GB in the beginning and 4.9GB in the end (delta: -2.2GB). Peak memory consumption was 315.6MB. Max. memory is 16.1GB. [2021-11-23 15:43:49,342 INFO L158 Benchmark]: RCFGBuilder took 52560.20ms. Allocated memory was 6.2GB in the beginning and 8.2GB in the end (delta: 2.0GB). Free memory was 4.9GB in the beginning and 6.5GB in the end (delta: -1.6GB). Peak memory consumption was 552.5MB. Max. memory is 16.1GB. [2021-11-23 15:43:49,346 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 20606.49ms. Allocated memory was 490.7MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 330.3MB in the beginning and 1.3GB in the end (delta: -978.6MB). Peak memory consumption was 685.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3770.45ms. Allocated memory was 2.1GB in the beginning and 3.6GB in the end (delta: 1.5GB). Free memory was 1.3GB in the beginning and 2.7GB in the end (delta: -1.4GB). Peak memory consumption was 423.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3084.13ms. Allocated memory was 3.6GB in the beginning and 6.2GB in the end (delta: 2.6GB). Free memory was 2.7GB in the beginning and 4.9GB in the end (delta: -2.2GB). Peak memory consumption was 315.6MB. Max. memory is 16.1GB. * RCFGBuilder took 52560.20ms. Allocated memory was 6.2GB in the beginning and 8.2GB in the end (delta: 2.0GB). Free memory was 4.9GB in the beginning and 6.5GB in the end (delta: -1.6GB). Peak memory consumption was 552.5MB. 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 15:43:49,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e54bba9-0664-4902-bcb8-dd54876de574/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