./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label29.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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label29.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/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 0a2beccb2b7dabaae49513ee594b88be31e666ab4b7ef55df434d01355696efd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:25,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:25,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:25,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:25,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:25,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:25,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:25,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:25,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:25,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:25,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:25,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:25,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:25,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:25,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:25,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:25,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:25,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:25,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:25,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:25,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:25,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:25,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:25,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:25,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:25,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:25,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:25,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:25,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:25,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:25,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:25,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:25,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:25,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:25,448 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:25,448 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:25,449 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:25,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:25,450 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:25,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:25,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:25,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:25,495 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:25,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:25,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:25,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:25,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:25,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:25,498 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:25,498 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:25,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:25,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:25,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:25,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:25,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:25,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:25,500 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:25,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:25,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:25,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:25,501 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:25,501 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:25,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:25,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:25,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:25,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:25,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:25,502 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:25,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:25,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:25,503 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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a2beccb2b7dabaae49513ee594b88be31e666ab4b7ef55df434d01355696efd [2021-11-23 15:53:25,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:25,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:25,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:25,841 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:25,842 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:25,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem07_label29.c [2021-11-23 15:53:25,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/data/ea9ebc626/d7592b641b4349e78fc4aa52165d9fa6/FLAGa8038cfca [2021-11-23 15:53:28,688 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:28,689 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/sv-benchmarks/c/eca-rers2012/Problem07_label29.c [2021-11-23 15:53:28,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/data/ea9ebc626/d7592b641b4349e78fc4aa52165d9fa6/FLAGa8038cfca [2021-11-23 15:53:28,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/data/ea9ebc626/d7592b641b4349e78fc4aa52165d9fa6 [2021-11-23 15:53:28,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:28,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:28,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:28,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:28,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:28,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:28" (1/1) ... [2021-11-23 15:53:28,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14cc87ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:28, skipping insertion in model container [2021-11-23 15:53:28,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:28" (1/1) ... [2021-11-23 15:53:28,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:30,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:42,161 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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/sv-benchmarks/c/eca-rers2012/Problem07_label29.c[2774953,2774966] [2021-11-23 15:53:42,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:42,244 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:49,449 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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/sv-benchmarks/c/eca-rers2012/Problem07_label29.c[2774953,2774966] [2021-11-23 15:53:49,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:50,399 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:50,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50 WrapperNode [2021-11-23 15:53:50,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:50,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:50,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:50,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:50,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:51,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:54,178 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83773 [2021-11-23 15:53:54,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:54,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:54,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:54,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:54,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:54,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:54,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:54,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:56,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:56,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:57,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:57,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:57,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:57,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:57,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:57,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:57,948 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:57,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:57,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:57,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:58,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:58,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:58,188 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:58,190 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:39,762 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:39,915 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 15:54:39,922 INFO L158 Benchmark]: Toolchain (without parser) took 70988.28ms. Allocated memory was 302.0MB in the beginning and 8.5GB in the end (delta: 8.2GB). Free memory was 133.3MB in the beginning and 6.8GB in the end (delta: -6.6GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2021-11-23 15:54:39,923 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:39,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 21467.41ms. Allocated memory was 302.0MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 132.3MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 761.3MB. Max. memory is 16.1GB. [2021-11-23 15:54:39,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 3777.59ms. Allocated memory was 2.1GB in the beginning and 3.9GB in the end (delta: 1.8GB). Free memory was 1.3GB in the beginning and 3.0GB in the end (delta: -1.7GB). Peak memory consumption was 388.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:39,926 INFO L158 Benchmark]: Boogie Preprocessor took 3751.01ms. Allocated memory is still 3.9GB. Free memory was 3.0GB in the beginning and 2.7GB in the end (delta: 240.1MB). Peak memory consumption was 325.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:39,927 INFO L158 Benchmark]: RCFGBuilder took 41987.75ms. Allocated memory was 3.9GB in the beginning and 8.5GB in the end (delta: 4.6GB). Free memory was 2.7GB in the beginning and 6.8GB in the end (delta: -4.1GB). Peak memory consumption was 586.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:39,932 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 79.7MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 21467.41ms. Allocated memory was 302.0MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 132.3MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 761.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3777.59ms. Allocated memory was 2.1GB in the beginning and 3.9GB in the end (delta: 1.8GB). Free memory was 1.3GB in the beginning and 3.0GB in the end (delta: -1.7GB). Peak memory consumption was 388.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3751.01ms. Allocated memory is still 3.9GB. Free memory was 3.0GB in the beginning and 2.7GB in the end (delta: 240.1MB). Peak memory consumption was 325.1MB. Max. memory is 16.1GB. * RCFGBuilder took 41987.75ms. Allocated memory was 3.9GB in the beginning and 8.5GB in the end (delta: 4.6GB). Free memory was 2.7GB in the beginning and 6.8GB in the end (delta: -4.1GB). Peak memory consumption was 586.2MB. 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 15:54:39,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label29.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/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 0a2beccb2b7dabaae49513ee594b88be31e666ab4b7ef55df434d01355696efd --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:43,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:43,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:43,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:43,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:43,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:43,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:43,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:43,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:43,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:43,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:43,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:43,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:43,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:43,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:43,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:43,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:43,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:43,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:43,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:43,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:43,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:43,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:43,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:43,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:43,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:43,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:43,214 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:43,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:43,218 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:43,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:43,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:43,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:43,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:43,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:43,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:43,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:43,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:43,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:43,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:43,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:43,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:43,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:43,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:43,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:43,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:43,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:43,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:43,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:43,311 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:43,311 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:43,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:43,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:43,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:43,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:43,314 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:43,314 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:43,315 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:43,315 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:43,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:43,316 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:43,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:43,316 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:43,317 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:43,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:43,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:43,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:43,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:43,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:43,319 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:43,319 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:43,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:43,320 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:43,320 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:43,320 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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a2beccb2b7dabaae49513ee594b88be31e666ab4b7ef55df434d01355696efd [2021-11-23 15:54:43,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:43,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:43,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:43,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:43,819 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:43,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem07_label29.c [2021-11-23 15:54:43,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/data/ea872d3fa/1578f2c9d26640d584f46513db58f234/FLAGbdcf5e949 [2021-11-23 15:54:47,661 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:47,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/sv-benchmarks/c/eca-rers2012/Problem07_label29.c [2021-11-23 15:54:47,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/data/ea872d3fa/1578f2c9d26640d584f46513db58f234/FLAGbdcf5e949 [2021-11-23 15:54:47,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/data/ea872d3fa/1578f2c9d26640d584f46513db58f234 [2021-11-23 15:54:47,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:47,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:47,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:47,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:47,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:47,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:47" (1/1) ... [2021-11-23 15:54:47,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1d9bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:47, skipping insertion in model container [2021-11-23 15:54:47,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:47" (1/1) ... [2021-11-23 15:54:47,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:49,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:01,428 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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/sv-benchmarks/c/eca-rers2012/Problem07_label29.c[2774953,2774966] [2021-11-23 15:55:01,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:01,497 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:09,460 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_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/sv-benchmarks/c/eca-rers2012/Problem07_label29.c[2774953,2774966] [2021-11-23 15:55:09,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:10,704 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:10,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10 WrapperNode [2021-11-23 15:55:10,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:10,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:10,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:10,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:10,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:11,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:14,007 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83726 [2021-11-23 15:55:14,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:14,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:14,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:14,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:14,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:14,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:14,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:14,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:15,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:16,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:16,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:17,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:17,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:17,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:17,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:17,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:17,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:17,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:17,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:17,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:17,605 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:17,607 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:11,294 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:11,480 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 15:56:11,489 INFO L158 Benchmark]: Toolchain (without parser) took 83549.61ms. Allocated memory was 484.4MB in the beginning and 8.2GB in the end (delta: 7.7GB). Free memory was 299.1MB in the beginning and 6.6GB in the end (delta: -6.3GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-11-23 15:56:11,491 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 50.3MB. Free memory was 31.3MB in the beginning and 31.3MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:11,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 22765.97ms. Allocated memory was 484.4MB in the beginning and 2.2GB in the end (delta: 1.7GB). Free memory was 299.1MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 857.7MB. Max. memory is 16.1GB. [2021-11-23 15:56:11,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 3301.92ms. Allocated memory was 2.2GB in the beginning and 4.3GB in the end (delta: 2.1GB). Free memory was 1.5GB in the beginning and 3.3GB in the end (delta: -1.8GB). Peak memory consumption was 478.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:11,495 INFO L158 Benchmark]: Boogie Preprocessor took 3370.00ms. Allocated memory was 4.3GB in the beginning and 6.7GB in the end (delta: 2.4GB). Free memory was 3.3GB in the beginning and 5.4GB in the end (delta: -2.1GB). Peak memory consumption was 393.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:11,496 INFO L158 Benchmark]: RCFGBuilder took 54106.01ms. Allocated memory was 6.7GB in the beginning and 8.2GB in the end (delta: 1.5GB). Free memory was 5.4GB in the beginning and 6.6GB in the end (delta: -1.2GB). Peak memory consumption was 665.8MB. Max. memory is 16.1GB. [2021-11-23 15:56:11,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 50.3MB. Free memory was 31.3MB in the beginning and 31.3MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 22765.97ms. Allocated memory was 484.4MB in the beginning and 2.2GB in the end (delta: 1.7GB). Free memory was 299.1MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 857.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3301.92ms. Allocated memory was 2.2GB in the beginning and 4.3GB in the end (delta: 2.1GB). Free memory was 1.5GB in the beginning and 3.3GB in the end (delta: -1.8GB). Peak memory consumption was 478.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3370.00ms. Allocated memory was 4.3GB in the beginning and 6.7GB in the end (delta: 2.4GB). Free memory was 3.3GB in the beginning and 5.4GB in the end (delta: -2.1GB). Peak memory consumption was 393.2MB. Max. memory is 16.1GB. * RCFGBuilder took 54106.01ms. Allocated memory was 6.7GB in the beginning and 8.2GB in the end (delta: 1.5GB). Free memory was 5.4GB in the beginning and 6.6GB in the end (delta: -1.2GB). Peak memory consumption was 665.8MB. 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 15:56:11,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_652ac2e2-8cf7-47f4-a2cc-7caa4cf2a477/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