./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label33.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_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/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_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/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_a18a4009-432b-45dc-ba2d-f02ddc04831d/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 41b8f78fa335f1640e7fa17c2ba64c4ba903ee291b35e4b6f69ac60caf93828b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:50,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:50,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:50,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:50,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:50,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:50,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:50,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:50,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:50,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:50,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:50,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:50,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:50,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:50,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:50,780 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:50,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:50,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:50,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:50,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:50,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:50,799 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:50,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:50,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:50,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:50,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:50,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:50,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:50,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:50,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:50,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:50,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:50,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:50,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:50,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:50,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:50,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:50,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:50,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:50,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:50,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:50,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:50,868 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:50,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:50,870 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:50,870 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:50,871 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:50,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:50,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:50,872 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:50,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:50,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:50,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:50,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:50,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:50,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:50,874 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:50,875 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:50,875 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:50,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:50,875 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:50,876 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:50,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:50,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:50,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:50,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:50,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:50,877 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:50,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:50,878 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:50,878 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_a18a4009-432b-45dc-ba2d-f02ddc04831d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41b8f78fa335f1640e7fa17c2ba64c4ba903ee291b35e4b6f69ac60caf93828b [2021-11-23 15:56:51,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:51,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:51,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:51,173 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:51,175 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:51,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label33.c [2021-11-23 15:56:51,263 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/data/547a0584a/d77340cb433f45cabfd21e241cdd1edd/FLAGa5187906f [2021-11-23 15:56:52,004 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:52,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/sv-benchmarks/c/eca-rers2012/Problem18_label33.c [2021-11-23 15:56:52,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/data/547a0584a/d77340cb433f45cabfd21e241cdd1edd/FLAGa5187906f [2021-11-23 15:56:52,115 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/data/547a0584a/d77340cb433f45cabfd21e241cdd1edd [2021-11-23 15:56:52,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:52,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:52,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:52,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:52,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:52,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:52,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d347b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:52, skipping insertion in model container [2021-11-23 15:56:52,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:52" (1/1) ... [2021-11-23 15:56:52,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:52,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:52,507 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_a18a4009-432b-45dc-ba2d-f02ddc04831d/sv-benchmarks/c/eca-rers2012/Problem18_label33.c[2701,2714] [2021-11-23 15:56:53,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:53,276 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:53,293 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_a18a4009-432b-45dc-ba2d-f02ddc04831d/sv-benchmarks/c/eca-rers2012/Problem18_label33.c[2701,2714] [2021-11-23 15:56:53,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:53,762 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:53,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:53 WrapperNode [2021-11-23 15:56:53,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:53,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:53,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:53,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:53,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:53" (1/1) ... [2021-11-23 15:56:53,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:53" (1/1) ... [2021-11-23 15:56:54,119 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4132 [2021-11-23 15:56:54,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:54,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:54,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:54,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:54,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:53" (1/1) ... [2021-11-23 15:56:54,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:53" (1/1) ... [2021-11-23 15:56:54,178 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:53" (1/1) ... [2021-11-23 15:56:54,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:53" (1/1) ... [2021-11-23 15:56:54,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:53" (1/1) ... [2021-11-23 15:56:54,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:53" (1/1) ... [2021-11-23 15:56:54,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:53" (1/1) ... [2021-11-23 15:56:54,414 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:54,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:54,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:54,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:54,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:53" (1/1) ... [2021-11-23 15:56:54,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:54,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:54,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:54,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:54,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:54,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:54,628 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:54,630 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:57,921 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:57,962 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 15:56:57,966 INFO L158 Benchmark]: Toolchain (without parser) took 5845.19ms. Allocated memory was 90.2MB in the beginning and 352.3MB in the end (delta: 262.1MB). Free memory was 65.5MB in the beginning and 210.1MB in the end (delta: -144.6MB). Peak memory consumption was 185.0MB. Max. memory is 16.1GB. [2021-11-23 15:56:57,967 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 90.2MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:57,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1642.25ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 65.5MB in the beginning and 48.6MB in the end (delta: 16.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:57,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 355.07ms. Allocated memory was 113.2MB in the beginning and 178.3MB in the end (delta: 65.0MB). Free memory was 48.6MB in the beginning and 113.0MB in the end (delta: -64.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2021-11-23 15:56:57,969 INFO L158 Benchmark]: Boogie Preprocessor took 294.07ms. Allocated memory is still 178.3MB. Free memory was 113.0MB in the beginning and 88.1MB in the end (delta: 24.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:57,970 INFO L158 Benchmark]: RCFGBuilder took 3548.52ms. Allocated memory was 178.3MB in the beginning and 352.3MB in the end (delta: 174.1MB). Free memory was 88.1MB in the beginning and 210.1MB in the end (delta: -122.0MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. [2021-11-23 15:56:57,974 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 90.2MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1642.25ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 65.5MB in the beginning and 48.6MB in the end (delta: 16.8MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 355.07ms. Allocated memory was 113.2MB in the beginning and 178.3MB in the end (delta: 65.0MB). Free memory was 48.6MB in the beginning and 113.0MB in the end (delta: -64.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 294.07ms. Allocated memory is still 178.3MB. Free memory was 113.0MB in the beginning and 88.1MB in the end (delta: 24.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3548.52ms. Allocated memory was 178.3MB in the beginning and 352.3MB in the end (delta: 174.1MB). Free memory was 88.1MB in the beginning and 210.1MB in the end (delta: -122.0MB). Peak memory consumption was 122.7MB. 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 15:56:57,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/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_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/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_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/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_a18a4009-432b-45dc-ba2d-f02ddc04831d/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 41b8f78fa335f1640e7fa17c2ba64c4ba903ee291b35e4b6f69ac60caf93828b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:00,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:00,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:00,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:00,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:00,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:00,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:00,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:00,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:00,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:00,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:00,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:00,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:00,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:00,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:00,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:00,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:00,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:00,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:00,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:00,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:00,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:00,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:00,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:00,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:00,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:00,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:00,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:00,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:00,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:00,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:00,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:00,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:00,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:00,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:00,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:00,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:00,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:00,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:00,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:00,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:00,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:00,663 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:00,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:00,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:00,665 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:00,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:00,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:00,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:00,667 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:00,667 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:00,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:00,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:00,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:00,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:00,669 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:00,670 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:00,670 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:00,670 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:00,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:00,671 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:00,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:00,671 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:00,671 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:00,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:00,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:00,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:00,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:00,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:00,673 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:00,673 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:00,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:00,674 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:00,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:00,674 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_a18a4009-432b-45dc-ba2d-f02ddc04831d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41b8f78fa335f1640e7fa17c2ba64c4ba903ee291b35e4b6f69ac60caf93828b [2021-11-23 15:57:01,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:01,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:01,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:01,105 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:01,106 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:01,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label33.c [2021-11-23 15:57:01,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/data/d21d0abaa/ec1a7fa6ab6949c6a23d239adb204be4/FLAGac26d872d [2021-11-23 15:57:02,024 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:02,024 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/sv-benchmarks/c/eca-rers2012/Problem18_label33.c [2021-11-23 15:57:02,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/data/d21d0abaa/ec1a7fa6ab6949c6a23d239adb204be4/FLAGac26d872d [2021-11-23 15:57:02,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/data/d21d0abaa/ec1a7fa6ab6949c6a23d239adb204be4 [2021-11-23 15:57:02,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:02,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:02,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:02,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:02,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:02,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,121 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 03:57:02, skipping insertion in model container [2021-11-23 15:57:02,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:02" (1/1) ... [2021-11-23 15:57:02,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:02,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:02,463 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_a18a4009-432b-45dc-ba2d-f02ddc04831d/sv-benchmarks/c/eca-rers2012/Problem18_label33.c[2701,2714] [2021-11-23 15:57:03,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:03,515 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:03,546 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_a18a4009-432b-45dc-ba2d-f02ddc04831d/sv-benchmarks/c/eca-rers2012/Problem18_label33.c[2701,2714] [2021-11-23 15:57:04,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:04,133 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:04,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:04 WrapperNode [2021-11-23 15:57:04,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:04,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:04,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:04,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:04,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:04" (1/1) ... [2021-11-23 15:57:04,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:04" (1/1) ... [2021-11-23 15:57:04,407 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4128 [2021-11-23 15:57:04,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:04,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:04,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:04,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:04,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:04" (1/1) ... [2021-11-23 15:57:04,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:04" (1/1) ... [2021-11-23 15:57:04,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:04" (1/1) ... [2021-11-23 15:57:04,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:04" (1/1) ... [2021-11-23 15:57:04,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:04" (1/1) ... [2021-11-23 15:57:04,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:04" (1/1) ... [2021-11-23 15:57:04,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:04" (1/1) ... [2021-11-23 15:57:04,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:04,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:04,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:04,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:04,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:04" (1/1) ... [2021-11-23 15:57:04,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:04,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:04,692 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:04,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:04,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:04,903 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:04,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:19,225 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:19,282 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 15:57:19,290 INFO L158 Benchmark]: Toolchain (without parser) took 17178.57ms. Allocated memory was 60.8MB in the beginning and 274.7MB in the end (delta: 213.9MB). Free memory was 28.8MB in the beginning and 120.9MB in the end (delta: -92.0MB). Peak memory consumption was 123.8MB. Max. memory is 16.1GB. [2021-11-23 15:57:19,292 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:19,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2020.15ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 28.7MB in the beginning and 59.1MB in the end (delta: -30.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:19,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 274.45ms. Allocated memory is still 107.0MB. Free memory was 59.1MB in the beginning and 55.0MB in the end (delta: 4.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:19,295 INFO L158 Benchmark]: Boogie Preprocessor took 247.93ms. Allocated memory is still 107.0MB. Free memory was 55.0MB in the beginning and 42.9MB in the end (delta: 12.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:19,297 INFO L158 Benchmark]: RCFGBuilder took 14627.62ms. Allocated memory was 107.0MB in the beginning and 274.7MB in the end (delta: 167.8MB). Free memory was 42.9MB in the beginning and 120.9MB in the end (delta: -78.0MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:19,307 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 60.8MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2020.15ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 28.7MB in the beginning and 59.1MB in the end (delta: -30.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 274.45ms. Allocated memory is still 107.0MB. Free memory was 59.1MB in the beginning and 55.0MB in the end (delta: 4.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 247.93ms. Allocated memory is still 107.0MB. Free memory was 55.0MB in the beginning and 42.9MB in the end (delta: 12.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * RCFGBuilder took 14627.62ms. Allocated memory was 107.0MB in the beginning and 274.7MB in the end (delta: 167.8MB). Free memory was 42.9MB in the beginning and 120.9MB in the end (delta: -78.0MB). Peak memory consumption was 92.3MB. 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 15:57:19,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18a4009-432b-45dc-ba2d-f02ddc04831d/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