./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/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 2b164c8a6d888b02829fcf47aa29b65b3f70721fb3d5c6d11e211a49d8b59e83 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:41:56,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:41:56,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:41:56,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:41:56,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:41:56,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:41:56,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:41:56,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:41:56,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:41:56,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:41:56,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:41:56,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:41:56,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:41:56,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:41:56,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:41:56,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:41:56,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:41:56,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:41:56,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:41:56,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:41:56,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:41:56,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:41:56,206 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:41:56,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:41:56,211 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:41:56,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:41:56,213 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:41:56,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:41:56,215 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:41:56,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:41:56,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:41:56,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:41:56,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:41:56,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:41:56,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:41:56,231 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:41:56,232 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:41:56,232 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:41:56,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:41:56,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:41:56,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:41:56,236 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:41:56,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:41:56,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:41:56,298 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:41:56,299 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:41:56,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:41:56,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:41:56,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:41:56,301 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:41:56,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:41:56,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:41:56,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:41:56,303 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:41:56,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:41:56,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:41:56,304 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:41:56,304 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:41:56,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:41:56,305 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:41:56,305 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:41:56,305 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:41:56,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:41:56,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:56,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:41:56,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:41:56,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:41:56,307 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:41:56,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:41:56,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:41:56,308 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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b164c8a6d888b02829fcf47aa29b65b3f70721fb3d5c6d11e211a49d8b59e83 [2021-11-23 15:41:56,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:41:56,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:41:56,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:41:56,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:41:56,685 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:41:56,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem01_label08.c [2021-11-23 15:41:56,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/data/cc03e5298/e28e0b005f414a6da07d16d96f04679b/FLAGf6158fcce [2021-11-23 15:41:57,392 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:41:57,393 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/sv-benchmarks/c/eca-rers2012/Problem01_label08.c [2021-11-23 15:41:57,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/data/cc03e5298/e28e0b005f414a6da07d16d96f04679b/FLAGf6158fcce [2021-11-23 15:41:57,678 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/data/cc03e5298/e28e0b005f414a6da07d16d96f04679b [2021-11-23 15:41:57,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:57,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:57,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:57,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:57,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:57,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:57" (1/1) ... [2021-11-23 15:41:57,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ce54bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:57, skipping insertion in model container [2021-11-23 15:41:57,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:57" (1/1) ... [2021-11-23 15:41:57,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:57,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:58,173 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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/sv-benchmarks/c/eca-rers2012/Problem01_label08.c[19599,19612] [2021-11-23 15:41:58,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:58,238 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:41:58,321 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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/sv-benchmarks/c/eca-rers2012/Problem01_label08.c[19599,19612] [2021-11-23 15:41:58,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:58,349 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:41:58,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:58 WrapperNode [2021-11-23 15:41:58,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:58,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:58,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:41:58,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:41:58,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:58" (1/1) ... [2021-11-23 15:41:58,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:58" (1/1) ... [2021-11-23 15:41:58,469 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 15:41:58,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:58,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:41:58,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:41:58,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:41:58,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:58" (1/1) ... [2021-11-23 15:41:58,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:58" (1/1) ... [2021-11-23 15:41:58,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:58" (1/1) ... [2021-11-23 15:41:58,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:58" (1/1) ... [2021-11-23 15:41:58,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:58" (1/1) ... [2021-11-23 15:41:58,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:58" (1/1) ... [2021-11-23 15:41:58,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:58" (1/1) ... [2021-11-23 15:41:58,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:41:58,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:41:58,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:41:58,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:41:58,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:58" (1/1) ... [2021-11-23 15:41:58,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:58,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:41:58,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:41:58,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:41:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:41:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:41:58,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:41:58,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:41:58,797 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:41:58,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:41:59,970 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:00,008 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 15:42:00,013 INFO L158 Benchmark]: Toolchain (without parser) took 2330.07ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 63.5MB in the beginning and 39.7MB in the end (delta: 23.8MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2021-11-23 15:42:00,014 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:00,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.77ms. Allocated memory is still 96.5MB. Free memory was 63.3MB in the beginning and 55.7MB in the end (delta: 7.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:42:00,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.02ms. Allocated memory is still 96.5MB. Free memory was 55.7MB in the beginning and 49.8MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:42:00,017 INFO L158 Benchmark]: Boogie Preprocessor took 148.73ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 49.8MB in the beginning and 95.1MB in the end (delta: -45.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:00,017 INFO L158 Benchmark]: RCFGBuilder took 1391.06ms. Allocated memory is still 121.6MB. Free memory was 95.1MB in the beginning and 39.7MB in the end (delta: 55.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-11-23 15:42:00,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 96.5MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.77ms. Allocated memory is still 96.5MB. Free memory was 63.3MB in the beginning and 55.7MB in the end (delta: 7.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.02ms. Allocated memory is still 96.5MB. Free memory was 55.7MB in the beginning and 49.8MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.73ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 49.8MB in the beginning and 95.1MB in the end (delta: -45.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1391.06ms. Allocated memory is still 121.6MB. Free memory was 95.1MB in the beginning and 39.7MB in the end (delta: 55.4MB). Peak memory consumption was 52.4MB. 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 15:42:00,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/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 2b164c8a6d888b02829fcf47aa29b65b3f70721fb3d5c6d11e211a49d8b59e83 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:02,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:02,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:02,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:02,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:02,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:02,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:02,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:02,783 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:02,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:02,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:02,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:02,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:02,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:02,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:02,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:02,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:02,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:02,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:02,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:02,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:02,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:02,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:02,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:02,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:02,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:02,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:02,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:02,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:02,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:02,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:02,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:02,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:02,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:02,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:02,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:02,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:02,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:02,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:02,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:02,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:02,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:42:02,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:02,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:02,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:42:02,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:42:02,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:02,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:02,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:02,896 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:02,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:02,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:02,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:42:02,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:02,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:42:02,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:42:02,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:42:02,899 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:42:02,899 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:02,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:42:02,900 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:02,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:42:02,900 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:02,901 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:02,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:02,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:02,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:02,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:02,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:42:02,902 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:42:02,903 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:42:02,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:42:02,903 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:42:02,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:42:02,904 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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b164c8a6d888b02829fcf47aa29b65b3f70721fb3d5c6d11e211a49d8b59e83 [2021-11-23 15:42:03,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:03,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:03,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:03,375 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:03,376 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:03,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem01_label08.c [2021-11-23 15:42:03,472 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/data/fd2010086/4dd47b03ab564d3491bbd4e0a0bd4ba1/FLAG76064ad15 [2021-11-23 15:42:04,203 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:04,204 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/sv-benchmarks/c/eca-rers2012/Problem01_label08.c [2021-11-23 15:42:04,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/data/fd2010086/4dd47b03ab564d3491bbd4e0a0bd4ba1/FLAG76064ad15 [2021-11-23 15:42:04,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/data/fd2010086/4dd47b03ab564d3491bbd4e0a0bd4ba1 [2021-11-23 15:42:04,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:04,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:04,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:04,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:04,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:04,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:04" (1/1) ... [2021-11-23 15:42:04,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a5eecfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:04, skipping insertion in model container [2021-11-23 15:42:04,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:04" (1/1) ... [2021-11-23 15:42:04,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:04,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:04,842 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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/sv-benchmarks/c/eca-rers2012/Problem01_label08.c[19599,19612] [2021-11-23 15:42:04,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:04,916 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:05,050 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_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/sv-benchmarks/c/eca-rers2012/Problem01_label08.c[19599,19612] [2021-11-23 15:42:05,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:05,093 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:05,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:05 WrapperNode [2021-11-23 15:42:05,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:05,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:05,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:05,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:05,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:05" (1/1) ... [2021-11-23 15:42:05,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:05" (1/1) ... [2021-11-23 15:42:05,258 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2021-11-23 15:42:05,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:05,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:05,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:05,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:05,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:05" (1/1) ... [2021-11-23 15:42:05,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:05" (1/1) ... [2021-11-23 15:42:05,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:05" (1/1) ... [2021-11-23 15:42:05,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:05" (1/1) ... [2021-11-23 15:42:05,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:05" (1/1) ... [2021-11-23 15:42:05,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:05" (1/1) ... [2021-11-23 15:42:05,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:05" (1/1) ... [2021-11-23 15:42:05,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:05,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:05,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:05,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:05,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:05" (1/1) ... [2021-11-23 15:42:05,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:05,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:05,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:05,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:05,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:42:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:42:05,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:05,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:05,582 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:05,584 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:07,076 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:07,156 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 15:42:07,165 INFO L158 Benchmark]: Toolchain (without parser) took 2771.10ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 40.4MB in the beginning and 62.9MB in the end (delta: -22.5MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2021-11-23 15:42:07,166 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:07,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 698.78ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 30.1MB in the end (delta: 10.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-11-23 15:42:07,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.62ms. Allocated memory is still 62.9MB. Free memory was 29.9MB in the beginning and 41.1MB in the end (delta: -11.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:07,171 INFO L158 Benchmark]: Boogie Preprocessor took 71.93ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 37.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:42:07,172 INFO L158 Benchmark]: RCFGBuilder took 1829.91ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 36.7MB in the beginning and 62.9MB in the end (delta: -26.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2021-11-23 15:42:07,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 698.78ms. Allocated memory is still 62.9MB. Free memory was 40.2MB in the beginning and 30.1MB in the end (delta: 10.0MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 162.62ms. Allocated memory is still 62.9MB. Free memory was 29.9MB in the beginning and 41.1MB in the end (delta: -11.2MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.93ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 37.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1829.91ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 36.7MB in the beginning and 62.9MB in the end (delta: -26.2MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:42:07,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6d0e482-0ed0-473a-83cd-bea7e619ebe8/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