./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label22.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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/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 7701e4cd38e20370ee7bf3690ee362943beaf5b3dc30aba0a45784a053fe8943 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:29:45,471 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:29:45,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:29:45,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:29:45,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:29:45,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:29:45,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:29:45,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:29:45,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:29:45,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:29:45,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:29:45,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:29:45,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:29:45,518 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:29:45,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:29:45,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:29:45,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:29:45,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:29:45,526 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:29:45,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:29:45,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:29:45,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:29:45,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:29:45,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:29:45,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:29:45,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:29:45,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:29:45,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:29:45,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:29:45,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:29:45,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:29:45,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:29:45,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:29:45,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:29:45,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:29:45,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:29:45,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:29:45,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:29:45,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:29:45,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:29:45,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:29:45,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:29:45,577 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:29:45,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:29:45,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:29:45,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:29:45,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:29:45,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:29:45,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:29:45,581 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:29:45,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:29:45,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:29:45,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:29:45,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:29:45,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:29:45,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:29:45,583 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:29:45,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:29:45,584 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:29:45,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:29:45,585 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:29:45,585 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:29:45,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:29:45,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:29:45,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:29:45,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:29:45,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:29:45,587 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:29:45,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:29:45,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:29:45,588 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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7701e4cd38e20370ee7bf3690ee362943beaf5b3dc30aba0a45784a053fe8943 [2021-11-23 15:29:45,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:29:45,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:29:45,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:29:45,913 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:29:45,915 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:29:45,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem08_label22.c [2021-11-23 15:29:46,001 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/data/2739a37af/ca8e0a54f944412195112c529eff18ec/FLAG36257d663 [2021-11-23 15:29:50,674 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:29:50,676 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/sv-benchmarks/c/eca-rers2012/Problem08_label22.c [2021-11-23 15:29:50,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/data/2739a37af/ca8e0a54f944412195112c529eff18ec/FLAG36257d663 [2021-11-23 15:29:51,490 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/data/2739a37af/ca8e0a54f944412195112c529eff18ec [2021-11-23 15:29:51,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:29:51,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:29:51,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:29:51,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:29:51,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:29:51,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:51" (1/1) ... [2021-11-23 15:29:51,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c23be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:29:51, skipping insertion in model container [2021-11-23 15:29:51,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:29:51" (1/1) ... [2021-11-23 15:29:51,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:29:53,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:22,344 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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/sv-benchmarks/c/eca-rers2012/Problem08_label22.c[5716755,5716768] [2021-11-23 15:30:22,484 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:22,495 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:38,117 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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/sv-benchmarks/c/eca-rers2012/Problem08_label22.c[5716755,5716768] [2021-11-23 15:30:38,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:43,790 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:43,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43 WrapperNode [2021-11-23 15:30:43,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:43,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:43,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:43,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:43,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2021-11-23 15:30:45,425 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2021-11-23 15:30:50,565 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2021-11-23 15:30:50,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:50,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:50,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:50,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:50,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2021-11-23 15:30:50,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2021-11-23 15:30:52,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2021-11-23 15:30:52,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2021-11-23 15:30:55,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2021-11-23 15:30:56,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2021-11-23 15:30:56,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2021-11-23 15:30:57,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:57,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:57,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:57,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:57,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:43" (1/1) ... [2021-11-23 15:30:57,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:57,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:57,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:57,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:30:57,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:57,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:57,874 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:57,876 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:15,990 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:16,255 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 15:32:16,260 INFO L158 Benchmark]: Toolchain (without parser) took 144763.14ms. Allocated memory was 738.2MB in the beginning and 12.6GB in the end (delta: 11.9GB). Free memory was 448.1MB in the beginning and 8.9GB in the end (delta: -8.5GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2021-11-23 15:32:16,261 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:16,262 INFO L158 Benchmark]: CACSL2BoogieTranslator took 52293.42ms. Allocated memory was 738.2MB in the beginning and 6.4GB in the end (delta: 5.6GB). Free memory was 448.1MB in the beginning and 4.4GB in the end (delta: -4.0GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2021-11-23 15:32:16,263 INFO L158 Benchmark]: Boogie Procedure Inliner took 6774.40ms. Allocated memory was 6.4GB in the beginning and 9.1GB in the end (delta: 2.7GB). Free memory was 4.4GB in the beginning and 6.3GB in the end (delta: -1.9GB). Peak memory consumption was 826.3MB. Max. memory is 16.1GB. [2021-11-23 15:32:16,264 INFO L158 Benchmark]: Boogie Preprocessor took 6961.37ms. Allocated memory is still 9.1GB. Free memory was 6.3GB in the beginning and 5.9GB in the end (delta: 451.9MB). Peak memory consumption was 554.7MB. Max. memory is 16.1GB. [2021-11-23 15:32:16,265 INFO L158 Benchmark]: RCFGBuilder took 78729.03ms. Allocated memory was 9.1GB in the beginning and 12.6GB in the end (delta: 3.6GB). Free memory was 5.9GB in the beginning and 8.9GB in the end (delta: -3.0GB). Peak memory consumption was 913.3MB. Max. memory is 16.1GB. [2021-11-23 15:32:16,270 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 100.7MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 52293.42ms. Allocated memory was 738.2MB in the beginning and 6.4GB in the end (delta: 5.6GB). Free memory was 448.1MB in the beginning and 4.4GB in the end (delta: -4.0GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6774.40ms. Allocated memory was 6.4GB in the beginning and 9.1GB in the end (delta: 2.7GB). Free memory was 4.4GB in the beginning and 6.3GB in the end (delta: -1.9GB). Peak memory consumption was 826.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6961.37ms. Allocated memory is still 9.1GB. Free memory was 6.3GB in the beginning and 5.9GB in the end (delta: 451.9MB). Peak memory consumption was 554.7MB. Max. memory is 16.1GB. * RCFGBuilder took 78729.03ms. Allocated memory was 9.1GB in the beginning and 12.6GB in the end (delta: 3.6GB). Free memory was 5.9GB in the beginning and 8.9GB in the end (delta: -3.0GB). Peak memory consumption was 913.3MB. 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 15:32:16,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label22.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/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 7701e4cd38e20370ee7bf3690ee362943beaf5b3dc30aba0a45784a053fe8943 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:19,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:19,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:19,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:19,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:19,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:19,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:19,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:19,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:19,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:19,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:19,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:19,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:19,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:19,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:19,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:19,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:19,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:19,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:19,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:19,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:19,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:19,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:19,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:19,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:19,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:19,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:19,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:19,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:19,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:19,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:19,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:19,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:19,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:19,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:19,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:19,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:19,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:19,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:19,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:19,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:19,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:32:19,508 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:19,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:19,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:19,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:19,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:19,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:19,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:19,512 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:19,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:19,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:19,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:19,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:19,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:19,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:32:19,513 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:32:19,513 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:32:19,514 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:19,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:19,514 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:19,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:19,515 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:19,515 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:19,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:19,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:19,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:19,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:19,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:19,516 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:32:19,517 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:32:19,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:19,517 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:32:19,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:32:19,518 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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7701e4cd38e20370ee7bf3690ee362943beaf5b3dc30aba0a45784a053fe8943 [2021-11-23 15:32:19,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:20,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:20,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:20,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:20,023 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:20,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem08_label22.c [2021-11-23 15:32:20,113 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/data/c962c5199/4c44eab97dc54dd885ecbbbb10bc5d08/FLAG1e7c535b8 [2021-11-23 15:32:24,747 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:24,748 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/sv-benchmarks/c/eca-rers2012/Problem08_label22.c [2021-11-23 15:32:25,091 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/data/c962c5199/4c44eab97dc54dd885ecbbbb10bc5d08/FLAG1e7c535b8 [2021-11-23 15:32:25,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/data/c962c5199/4c44eab97dc54dd885ecbbbb10bc5d08 [2021-11-23 15:32:25,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:25,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:25,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:25,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:25,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:25,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:25" (1/1) ... [2021-11-23 15:32:25,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8a254f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:25, skipping insertion in model container [2021-11-23 15:32:25,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:25" (1/1) ... [2021-11-23 15:32:25,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:27,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:57,295 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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/sv-benchmarks/c/eca-rers2012/Problem08_label22.c[5716755,5716768] [2021-11-23 15:32:57,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:57,423 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:11,499 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_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/sv-benchmarks/c/eca-rers2012/Problem08_label22.c[5716755,5716768] [2021-11-23 15:33:11,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:16,695 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:16,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:16 WrapperNode [2021-11-23 15:33:16,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:16,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:16,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:16,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:16,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:16" (1/1) ... [2021-11-23 15:33:18,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:16" (1/1) ... [2021-11-23 15:33:24,441 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184205 [2021-11-23 15:33:24,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:24,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:24,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:24,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:24,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:16" (1/1) ... [2021-11-23 15:33:24,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:16" (1/1) ... [2021-11-23 15:33:25,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:16" (1/1) ... [2021-11-23 15:33:25,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:16" (1/1) ... [2021-11-23 15:33:28,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:16" (1/1) ... [2021-11-23 15:33:28,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:16" (1/1) ... [2021-11-23 15:33:29,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:16" (1/1) ... [2021-11-23 15:33:30,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:30,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:30,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:30,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:30,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:16" (1/1) ... [2021-11-23 15:33:30,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:30,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:30,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:30,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:30,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:30,562 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:30,564 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:35:24,877 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:35:25,086 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 15:35:25,091 INFO L158 Benchmark]: Toolchain (without parser) took 179798.07ms. Allocated memory was 645.9MB in the beginning and 12.4GB in the end (delta: 11.8GB). Free memory was 343.2MB in the beginning and 8.5GB in the end (delta: -8.1GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 15:35:25,092 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:35:25,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 51402.71ms. Allocated memory was 645.9MB in the beginning and 7.3GB in the end (delta: 6.7GB). Free memory was 343.2MB in the beginning and 5.4GB in the end (delta: -5.0GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2021-11-23 15:35:25,094 INFO L158 Benchmark]: Boogie Procedure Inliner took 7744.24ms. Allocated memory was 7.3GB in the beginning and 10.6GB in the end (delta: 3.3GB). Free memory was 5.4GB in the beginning and 8.0GB in the end (delta: -2.6GB). Peak memory consumption was 872.4MB. Max. memory is 16.1GB. [2021-11-23 15:35:25,095 INFO L158 Benchmark]: Boogie Preprocessor took 5808.03ms. Allocated memory is still 10.6GB. Free memory was 8.0GB in the beginning and 7.4GB in the end (delta: 584.1MB). Peak memory consumption was 716.2MB. Max. memory is 16.1GB. [2021-11-23 15:35:25,096 INFO L158 Benchmark]: RCFGBuilder took 114837.70ms. Allocated memory was 10.6GB in the beginning and 12.4GB in the end (delta: 1.8GB). Free memory was 7.4GB in the beginning and 8.5GB in the end (delta: -1.1GB). Peak memory consumption was 860.9MB. Max. memory is 16.1GB. [2021-11-23 15:35:25,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 51402.71ms. Allocated memory was 645.9MB in the beginning and 7.3GB in the end (delta: 6.7GB). Free memory was 343.2MB in the beginning and 5.4GB in the end (delta: -5.0GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 7744.24ms. Allocated memory was 7.3GB in the beginning and 10.6GB in the end (delta: 3.3GB). Free memory was 5.4GB in the beginning and 8.0GB in the end (delta: -2.6GB). Peak memory consumption was 872.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5808.03ms. Allocated memory is still 10.6GB. Free memory was 8.0GB in the beginning and 7.4GB in the end (delta: 584.1MB). Peak memory consumption was 716.2MB. Max. memory is 16.1GB. * RCFGBuilder took 114837.70ms. Allocated memory was 10.6GB in the beginning and 12.4GB in the end (delta: 1.8GB). Free memory was 7.4GB in the beginning and 8.5GB in the end (delta: -1.1GB). Peak memory consumption was 860.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:35:25,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3fe84ddd-7166-4a86-9719-b32e02cf4c4e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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