./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label35.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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/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 7fba195f88797a3387f21cb74f29882ae69c98ecc2dd0fc48df1c4aac92d30fb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:37,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:37,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:37,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:37,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:37,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:37,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:37,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:37,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:37,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:37,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:37,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:37,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:37,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:37,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:37,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:37,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:37,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:37,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:37,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:37,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:37,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:37,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:37,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:37,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:37,523 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:37,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:37,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:37,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:37,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:37,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:37,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:37,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:37,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:37,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:37,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:37,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:37,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:37,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:37,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:37,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:37,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:37,575 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:37,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:37,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:37,578 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:37,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:37,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:37,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:37,579 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:37,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:37,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:37,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:37,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:37,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:37,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:37,582 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:37,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:37,582 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:37,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:37,583 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:37,583 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:37,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:37,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:37,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:37,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:37,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:37,585 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:37,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:37,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:37,585 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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fba195f88797a3387f21cb74f29882ae69c98ecc2dd0fc48df1c4aac92d30fb [2021-11-23 15:58:37,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:37,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:37,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:37,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:37,937 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:37,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label35.c [2021-11-23 15:58:38,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/data/1540576f7/39b8a2ae20cc4469a564e1892878cfff/FLAG4be36db39 [2021-11-23 15:58:38,908 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:38,910 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/sv-benchmarks/c/eca-rers2012/Problem04_label35.c [2021-11-23 15:58:38,951 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/data/1540576f7/39b8a2ae20cc4469a564e1892878cfff/FLAG4be36db39 [2021-11-23 15:58:39,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/data/1540576f7/39b8a2ae20cc4469a564e1892878cfff [2021-11-23 15:58:39,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:39,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:39,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:39,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:39,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:39,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3524e833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39, skipping insertion in model container [2021-11-23 15:58:39,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:39,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:40,893 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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/sv-benchmarks/c/eca-rers2012/Problem04_label35.c[178691,178704] [2021-11-23 15:58:40,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:40,972 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:41,662 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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/sv-benchmarks/c/eca-rers2012/Problem04_label35.c[178691,178704] [2021-11-23 15:58:41,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:41,712 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:41,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41 WrapperNode [2021-11-23 15:58:41,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:41,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:41,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:41,717 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:41,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:41,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:42,089 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2021-11-23 15:58:42,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:42,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:42,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:42,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:42,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:42,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:42,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:42,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:42,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:42,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:42,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:42,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:42,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:42,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:42,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:42,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:41" (1/1) ... [2021-11-23 15:58:42,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:42,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:42,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:42,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:42,567 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:42,569 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:46,944 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:46,999 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:58:47,005 INFO L158 Benchmark]: Toolchain (without parser) took 7629.33ms. Allocated memory was 90.2MB in the beginning and 457.2MB in the end (delta: 367.0MB). Free memory was 60.8MB in the beginning and 362.1MB in the end (delta: -301.2MB). Peak memory consumption was 245.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:47,006 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:47,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2338.43ms. Allocated memory was 90.2MB in the beginning and 157.3MB in the end (delta: 67.1MB). Free memory was 60.5MB in the beginning and 96.2MB in the end (delta: -35.7MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:47,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 374.96ms. Allocated memory is still 157.3MB. Free memory was 96.2MB in the beginning and 81.9MB in the end (delta: 14.3MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:47,010 INFO L158 Benchmark]: Boogie Preprocessor took 187.54ms. Allocated memory is still 157.3MB. Free memory was 81.9MB in the beginning and 55.4MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:47,016 INFO L158 Benchmark]: RCFGBuilder took 4723.13ms. Allocated memory was 157.3MB in the beginning and 457.2MB in the end (delta: 299.9MB). Free memory was 55.4MB in the beginning and 362.1MB in the end (delta: -306.7MB). Peak memory consumption was 172.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:47,026 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory was 43.4MB in the beginning and 43.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2338.43ms. Allocated memory was 90.2MB in the beginning and 157.3MB in the end (delta: 67.1MB). Free memory was 60.5MB in the beginning and 96.2MB in the end (delta: -35.7MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 374.96ms. Allocated memory is still 157.3MB. Free memory was 96.2MB in the beginning and 81.9MB in the end (delta: 14.3MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 187.54ms. Allocated memory is still 157.3MB. Free memory was 81.9MB in the beginning and 55.4MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4723.13ms. Allocated memory was 157.3MB in the beginning and 457.2MB in the end (delta: 299.9MB). Free memory was 55.4MB in the beginning and 362.1MB in the end (delta: -306.7MB). Peak memory consumption was 172.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:47,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/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 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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/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 7fba195f88797a3387f21cb74f29882ae69c98ecc2dd0fc48df1c4aac92d30fb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:49,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:49,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:49,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:49,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:49,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:49,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:49,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:49,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:49,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:49,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:49,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:49,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:49,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:49,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:49,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:49,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:49,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:49,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:49,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:49,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:49,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:49,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:49,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:49,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:49,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:49,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:49,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:49,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:49,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:49,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:49,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:49,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:49,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:49,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:49,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:49,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:49,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:49,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:49,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:49,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:49,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:49,799 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:49,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:49,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:49,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:49,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:49,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:49,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:49,803 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:49,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:49,803 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:49,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:49,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:49,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:49,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:49,805 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:49,805 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:49,806 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:49,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:49,806 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:49,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:49,807 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:49,807 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:49,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:49,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:49,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:49,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:49,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:49,808 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:49,808 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:49,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:49,809 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:49,809 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:49,810 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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fba195f88797a3387f21cb74f29882ae69c98ecc2dd0fc48df1c4aac92d30fb [2021-11-23 15:58:50,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:50,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:50,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:50,259 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:50,260 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:50,261 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label35.c [2021-11-23 15:58:50,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/data/e2f51bc55/5512c4facdbc47468fa5506628c51c42/FLAG9998c31f0 [2021-11-23 15:58:51,296 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:51,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/sv-benchmarks/c/eca-rers2012/Problem04_label35.c [2021-11-23 15:58:51,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/data/e2f51bc55/5512c4facdbc47468fa5506628c51c42/FLAG9998c31f0 [2021-11-23 15:58:51,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/data/e2f51bc55/5512c4facdbc47468fa5506628c51c42 [2021-11-23 15:58:51,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:51,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:51,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:51,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:51,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:51,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c38152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:51, skipping insertion in model container [2021-11-23 15:58:51,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:51" (1/1) ... [2021-11-23 15:58:51,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:51,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:53,366 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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/sv-benchmarks/c/eca-rers2012/Problem04_label35.c[178691,178704] [2021-11-23 15:58:53,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:53,409 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:54,125 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_03b2356b-b72c-4a25-966c-2e0fdd5154c8/sv-benchmarks/c/eca-rers2012/Problem04_label35.c[178691,178704] [2021-11-23 15:58:54,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:54,172 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:54,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54 WrapperNode [2021-11-23 15:58:54,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:54,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:54,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:54,174 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:54,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,567 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2021-11-23 15:58:54,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:54,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:54,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:54,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:54,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:54,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:55,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:55,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:55,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:55,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:55,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:54" (1/1) ... [2021-11-23 15:58:55,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:55,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:55,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:55,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:55,337 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:55,338 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:01,352 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:01,409 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 15:59:01,413 INFO L158 Benchmark]: Toolchain (without parser) took 9629.29ms. Allocated memory was 60.8MB in the beginning and 310.4MB in the end (delta: 249.6MB). Free memory was 38.6MB in the beginning and 142.3MB in the end (delta: -103.7MB). Peak memory consumption was 184.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,414 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:01,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2389.21ms. Allocated memory was 60.8MB in the beginning and 109.1MB in the end (delta: 48.2MB). Free memory was 38.3MB in the beginning and 53.3MB in the end (delta: -15.1MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 393.78ms. Allocated memory was 109.1MB in the beginning and 155.2MB in the end (delta: 46.1MB). Free memory was 53.3MB in the beginning and 86.2MB in the end (delta: -32.9MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,417 INFO L158 Benchmark]: Boogie Preprocessor took 459.16ms. Allocated memory is still 155.2MB. Free memory was 86.2MB in the beginning and 63.2MB in the end (delta: 23.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,418 INFO L158 Benchmark]: RCFGBuilder took 6380.39ms. Allocated memory was 155.2MB in the beginning and 310.4MB in the end (delta: 155.2MB). Free memory was 62.6MB in the beginning and 142.3MB in the end (delta: -79.7MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:01,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2389.21ms. Allocated memory was 60.8MB in the beginning and 109.1MB in the end (delta: 48.2MB). Free memory was 38.3MB in the beginning and 53.3MB in the end (delta: -15.1MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 393.78ms. Allocated memory was 109.1MB in the beginning and 155.2MB in the end (delta: 46.1MB). Free memory was 53.3MB in the beginning and 86.2MB in the end (delta: -32.9MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 459.16ms. Allocated memory is still 155.2MB. Free memory was 86.2MB in the beginning and 63.2MB in the end (delta: 23.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6380.39ms. Allocated memory was 155.2MB in the beginning and 310.4MB in the end (delta: 155.2MB). Free memory was 62.6MB in the beginning and 142.3MB in the end (delta: -79.7MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:59:01,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03b2356b-b72c-4a25-966c-2e0fdd5154c8/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