./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label21.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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/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 e98296be9feaa498260a889f758b30d7ec8e39a76c2c64d4acb734d1346b990c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:32,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:32,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:32,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:32,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:32,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:32,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:32,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:32,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:32,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:32,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:32,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:32,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:32,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:32,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:32,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:32,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:32,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:32,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:32,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:32,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:32,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:32,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:32,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:32,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:32,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:32,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:32,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:32,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:32,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:32,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:32,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:32,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:32,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:32,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:32,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:32,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:32,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:32,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:32,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:32,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:32,732 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:32,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:32,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:32,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:32,774 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:32,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:32,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:32,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:32,775 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:32,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:32,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:32,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:32,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:32,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:32,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:32,781 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:32,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:32,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:32,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:32,782 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:32,782 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:32,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:32,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:32,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:32,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:32,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:32,784 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:32,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:32,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:32,784 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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e98296be9feaa498260a889f758b30d7ec8e39a76c2c64d4acb734d1346b990c [2021-11-23 15:56:33,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:33,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:33,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:33,073 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:33,073 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:33,075 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label21.c [2021-11-23 15:56:33,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/data/01d7857bb/d39ebccf05674c5fb0cb19ba8cc4ab7e/FLAGed9146674 [2021-11-23 15:56:34,024 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:34,025 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/sv-benchmarks/c/eca-rers2012/Problem04_label21.c [2021-11-23 15:56:34,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/data/01d7857bb/d39ebccf05674c5fb0cb19ba8cc4ab7e/FLAGed9146674 [2021-11-23 15:56:34,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/data/01d7857bb/d39ebccf05674c5fb0cb19ba8cc4ab7e [2021-11-23 15:56:34,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:34,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:34,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:34,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:34,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:34,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68c2c42a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:34, skipping insertion in model container [2021-11-23 15:56:34,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:34" (1/1) ... [2021-11-23 15:56:34,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:34,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:36,137 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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/sv-benchmarks/c/eca-rers2012/Problem04_label21.c[181827,181840] [2021-11-23 15:56:36,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:36,167 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:36,893 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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/sv-benchmarks/c/eca-rers2012/Problem04_label21.c[181827,181840] [2021-11-23 15:56:36,901 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:36,929 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:36,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36 WrapperNode [2021-11-23 15:56:36,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:36,931 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:36,931 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:36,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:36,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:37,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:37,305 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2021-11-23 15:56:37,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:37,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:37,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:37,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:37,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:37,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:37,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:37,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:37,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:37,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:37,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:37,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:37,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:37,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:37,646 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:37,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:37,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:37,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:37,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:37,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:37,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:37,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:37,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:37,833 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:37,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:41,897 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:41,970 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:56:41,981 INFO L158 Benchmark]: Toolchain (without parser) took 7497.55ms. Allocated memory was 104.9MB in the beginning and 373.3MB in the end (delta: 268.4MB). Free memory was 70.2MB in the beginning and 93.3MB in the end (delta: -23.1MB). Peak memory consumption was 247.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:41,982 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:41,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2445.41ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 69.9MB in the beginning and 83.7MB in the end (delta: -13.8MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:41,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 375.12ms. Allocated memory is still 151.0MB. Free memory was 83.7MB in the beginning and 73.4MB in the end (delta: 10.3MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:41,986 INFO L158 Benchmark]: Boogie Preprocessor took 336.78ms. Allocated memory was 151.0MB in the beginning and 241.2MB in the end (delta: 90.2MB). Free memory was 73.4MB in the beginning and 154.0MB in the end (delta: -80.5MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:41,988 INFO L158 Benchmark]: RCFGBuilder took 4333.49ms. Allocated memory was 241.2MB in the beginning and 373.3MB in the end (delta: 132.1MB). Free memory was 154.0MB in the beginning and 93.3MB in the end (delta: 60.7MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. [2021-11-23 15:56:41,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 104.9MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2445.41ms. Allocated memory was 104.9MB in the beginning and 151.0MB in the end (delta: 46.1MB). Free memory was 69.9MB in the beginning and 83.7MB in the end (delta: -13.8MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 375.12ms. Allocated memory is still 151.0MB. Free memory was 83.7MB in the beginning and 73.4MB in the end (delta: 10.3MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 336.78ms. Allocated memory was 151.0MB in the beginning and 241.2MB in the end (delta: 90.2MB). Free memory was 73.4MB in the beginning and 154.0MB in the end (delta: -80.5MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4333.49ms. Allocated memory was 241.2MB in the beginning and 373.3MB in the end (delta: 132.1MB). Free memory was 154.0MB in the beginning and 93.3MB in the end (delta: 60.7MB). Peak memory consumption was 194.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:56:42,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/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 e98296be9feaa498260a889f758b30d7ec8e39a76c2c64d4acb734d1346b990c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:44,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:44,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:44,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:44,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:44,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:44,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:44,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:44,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:44,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:44,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:44,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:44,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:44,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:44,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:44,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:44,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:44,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:44,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:44,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:44,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:44,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:44,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:44,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:44,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:44,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:44,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:44,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:44,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:44,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:44,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:44,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:44,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:44,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:44,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:44,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:44,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:44,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:44,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:44,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:44,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:44,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:56:44,597 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:44,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:44,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:44,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:44,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:44,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:44,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:44,602 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:44,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:44,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:44,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:44,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:44,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:44,604 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:56:44,604 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:56:44,604 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:56:44,605 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:44,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:44,605 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:44,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:44,605 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:44,606 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:44,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:44,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:44,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:44,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:44,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:44,607 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:56:44,607 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:56:44,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:44,608 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:56:44,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:56:44,608 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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e98296be9feaa498260a889f758b30d7ec8e39a76c2c64d4acb734d1346b990c [2021-11-23 15:56:45,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:45,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:45,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:45,103 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:45,103 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:45,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label21.c [2021-11-23 15:56:45,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/data/d76c2c857/dc15ce272bdd474385ca057f3318430b/FLAGf52dfd9ce [2021-11-23 15:56:46,128 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:46,129 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/sv-benchmarks/c/eca-rers2012/Problem04_label21.c [2021-11-23 15:56:46,167 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/data/d76c2c857/dc15ce272bdd474385ca057f3318430b/FLAGf52dfd9ce [2021-11-23 15:56:46,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/data/d76c2c857/dc15ce272bdd474385ca057f3318430b [2021-11-23 15:56:46,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:46,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:46,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:46,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:46,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:46,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:46" (1/1) ... [2021-11-23 15:56:46,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316822d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:46, skipping insertion in model container [2021-11-23 15:56:46,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:46" (1/1) ... [2021-11-23 15:56:46,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:46,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:48,145 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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/sv-benchmarks/c/eca-rers2012/Problem04_label21.c[181827,181840] [2021-11-23 15:56:48,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:48,177 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:48,845 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_1e2e11ce-5805-47df-af40-c0cdd3505cd4/sv-benchmarks/c/eca-rers2012/Problem04_label21.c[181827,181840] [2021-11-23 15:56:48,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:48,881 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:48,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48 WrapperNode [2021-11-23 15:56:48,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:48,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:48,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:48,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:48,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:48,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:49,266 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2021-11-23 15:56:49,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:49,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:49,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:49,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:49,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:49,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:49,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:49,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:49,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:49,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:49,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:49,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:49,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:49,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:49,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:49,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:49,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:49,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:49,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:49,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:56:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:49,766 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:49,767 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:55,329 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:55,380 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:56:55,384 INFO L158 Benchmark]: Toolchain (without parser) took 8791.68ms. Allocated memory was 52.4MB in the beginning and 419.4MB in the end (delta: 367.0MB). Free memory was 24.2MB in the beginning and 266.0MB in the end (delta: -241.8MB). Peak memory consumption was 237.7MB. Max. memory is 16.1GB. [2021-11-23 15:56:55,385 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:55,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2287.57ms. Allocated memory was 52.4MB in the beginning and 104.9MB in the end (delta: 52.4MB). Free memory was 23.9MB in the beginning and 47.2MB in the end (delta: -23.2MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. [2021-11-23 15:56:55,387 INFO L158 Benchmark]: Boogie Procedure Inliner took 383.98ms. Allocated memory is still 104.9MB. Free memory was 47.2MB in the beginning and 34.7MB in the end (delta: 12.5MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:55,388 INFO L158 Benchmark]: Boogie Preprocessor took 346.57ms. Allocated memory was 104.9MB in the beginning and 209.7MB in the end (delta: 104.9MB). Free memory was 34.7MB in the beginning and 119.9MB in the end (delta: -85.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:55,388 INFO L158 Benchmark]: RCFGBuilder took 5765.89ms. Allocated memory was 209.7MB in the beginning and 419.4MB in the end (delta: 209.7MB). Free memory was 119.9MB in the beginning and 266.0MB in the end (delta: -146.0MB). Peak memory consumption was 177.3MB. Max. memory is 16.1GB. [2021-11-23 15:56:55,392 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2287.57ms. Allocated memory was 52.4MB in the beginning and 104.9MB in the end (delta: 52.4MB). Free memory was 23.9MB in the beginning and 47.2MB in the end (delta: -23.2MB). Peak memory consumption was 45.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 383.98ms. Allocated memory is still 104.9MB. Free memory was 47.2MB in the beginning and 34.7MB in the end (delta: 12.5MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 346.57ms. Allocated memory was 104.9MB in the beginning and 209.7MB in the end (delta: 104.9MB). Free memory was 34.7MB in the beginning and 119.9MB in the end (delta: -85.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * RCFGBuilder took 5765.89ms. Allocated memory was 209.7MB in the beginning and 419.4MB in the end (delta: 209.7MB). Free memory was 119.9MB in the beginning and 266.0MB in the end (delta: -146.0MB). Peak memory consumption was 177.3MB. 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 15:56:55,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e2e11ce-5805-47df-af40-c0cdd3505cd4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable