./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label16.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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/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 138817afdbd1a5a2b63b2ff28887fed513cabb63a61c2da07343757c56a3cff4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:54,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:54,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:54,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:54,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:54,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:54,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:54,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:54,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:54,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:54,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:54,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:54,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:54,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:54,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:54,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:54,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:54,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:54,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:54,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:54,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:54,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:54,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:54,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:54,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:54,731 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:54,731 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:54,732 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:54,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:54,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:54,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:54,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:54,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:54,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:54,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:54,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:54,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:54,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:54,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:54,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:54,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:54,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:48:54,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:54,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:54,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:54,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:54,774 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:54,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:54,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:54,775 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:48:54,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:48:54,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:48:54,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:54,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:54,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:54,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:54,777 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:48:54,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:54,777 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:54,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:54,778 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:54,778 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:54,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:54,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:54,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:54,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:54,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:54,780 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:48:54,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:48:54,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:54,781 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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 138817afdbd1a5a2b63b2ff28887fed513cabb63a61c2da07343757c56a3cff4 [2021-11-23 15:48:55,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:55,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:55,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:55,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:55,089 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:55,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label16.c [2021-11-23 15:48:55,201 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/data/12dbe5dea/5232bf24f4f9410abefd80eb1b150976/FLAG96807d858 [2021-11-23 15:48:55,941 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:55,942 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/sv-benchmarks/c/eca-rers2012/Problem18_label16.c [2021-11-23 15:48:55,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/data/12dbe5dea/5232bf24f4f9410abefd80eb1b150976/FLAG96807d858 [2021-11-23 15:48:56,051 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/data/12dbe5dea/5232bf24f4f9410abefd80eb1b150976 [2021-11-23 15:48:56,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:56,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:56,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:56,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:56,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:56,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:56" (1/1) ... [2021-11-23 15:48:56,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bdfc35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:56, skipping insertion in model container [2021-11-23 15:48:56,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:56" (1/1) ... [2021-11-23 15:48:56,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:56,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:56,533 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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/sv-benchmarks/c/eca-rers2012/Problem18_label16.c[4934,4947] [2021-11-23 15:48:57,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:57,426 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:48:57,469 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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/sv-benchmarks/c/eca-rers2012/Problem18_label16.c[4934,4947] [2021-11-23 15:48:57,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:57,946 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:48:57,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57 WrapperNode [2021-11-23 15:48:57,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:57,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:57,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:48:57,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:48:57,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2021-11-23 15:48:58,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2021-11-23 15:48:58,238 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4132 [2021-11-23 15:48:58,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:48:58,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:48:58,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:48:58,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:48:58,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2021-11-23 15:48:58,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2021-11-23 15:48:58,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2021-11-23 15:48:58,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2021-11-23 15:48:58,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2021-11-23 15:48:58,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2021-11-23 15:48:58,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2021-11-23 15:48:58,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:48:58,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:48:58,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:48:58,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:48:58,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:57" (1/1) ... [2021-11-23 15:48:58,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:58,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:48:58,635 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:48:58,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:48:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:48:58,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:48:58,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:48:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:48:58,802 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:48:58,804 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:02,302 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:49:02,353 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 15:49:02,359 INFO L158 Benchmark]: Toolchain (without parser) took 6298.36ms. Allocated memory was 92.3MB in the beginning and 289.4MB in the end (delta: 197.1MB). Free memory was 49.9MB in the beginning and 141.1MB in the end (delta: -91.2MB). Peak memory consumption was 137.3MB. Max. memory is 16.1GB. [2021-11-23 15:49:02,360 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:02,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1887.34ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 49.7MB in the beginning and 45.1MB in the end (delta: 4.5MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-11-23 15:49:02,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 290.88ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 44.6MB in the beginning and 63.2MB in the end (delta: -18.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-11-23 15:49:02,364 INFO L158 Benchmark]: Boogie Preprocessor took 352.44ms. Allocated memory is still 146.8MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-23 15:49:02,365 INFO L158 Benchmark]: RCFGBuilder took 3762.89ms. Allocated memory was 146.8MB in the beginning and 289.4MB in the end (delta: 142.6MB). Free memory was 61.1MB in the beginning and 141.1MB in the end (delta: -80.0MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2021-11-23 15:49:02,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1887.34ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 49.7MB in the beginning and 45.1MB in the end (delta: 4.5MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 290.88ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 44.6MB in the beginning and 63.2MB in the end (delta: -18.5MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 352.44ms. Allocated memory is still 146.8MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3762.89ms. Allocated memory was 146.8MB in the beginning and 289.4MB in the end (delta: 142.6MB). Free memory was 61.1MB in the beginning and 141.1MB in the end (delta: -80.0MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:49:02,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/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 138817afdbd1a5a2b63b2ff28887fed513cabb63a61c2da07343757c56a3cff4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:49:04,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:04,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:04,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:04,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:04,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:04,999 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:05,001 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:05,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:05,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:05,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:05,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:05,008 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:05,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:05,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:05,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:05,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:05,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:05,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:05,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:05,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:05,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:05,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:05,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:05,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:05,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:05,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:05,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:05,034 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:05,036 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:05,036 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:05,037 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:05,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:05,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:05,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:05,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:05,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:05,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:05,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:05,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:05,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:05,045 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:49:05,096 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:05,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:05,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:05,101 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:05,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:05,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:05,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:05,103 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:05,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:05,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:05,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:05,105 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:05,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:05,106 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:49:05,106 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:49:05,106 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:49:05,106 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:05,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:05,107 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:05,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:05,107 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:05,108 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:05,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:05,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:05,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:05,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:05,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:05,109 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:49:05,109 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:49:05,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:05,110 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:49:05,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:49:05,110 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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 138817afdbd1a5a2b63b2ff28887fed513cabb63a61c2da07343757c56a3cff4 [2021-11-23 15:49:05,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:05,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:05,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:05,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:05,512 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:05,513 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label16.c [2021-11-23 15:49:05,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/data/62eea2b25/6009222b09b9452497e40dabd7c77451/FLAG22ed510d8 [2021-11-23 15:49:06,390 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:06,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/sv-benchmarks/c/eca-rers2012/Problem18_label16.c [2021-11-23 15:49:06,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/data/62eea2b25/6009222b09b9452497e40dabd7c77451/FLAG22ed510d8 [2021-11-23 15:49:06,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/data/62eea2b25/6009222b09b9452497e40dabd7c77451 [2021-11-23 15:49:06,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:06,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:06,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:06,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:06,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:06,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:06" (1/1) ... [2021-11-23 15:49:06,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@691a0f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:06, skipping insertion in model container [2021-11-23 15:49:06,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:06" (1/1) ... [2021-11-23 15:49:06,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:06,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:06,817 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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/sv-benchmarks/c/eca-rers2012/Problem18_label16.c[4934,4947] [2021-11-23 15:49:07,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:07,946 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:07,986 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_ee2b6b95-bb03-40fc-b09f-054cb04f3204/sv-benchmarks/c/eca-rers2012/Problem18_label16.c[4934,4947] [2021-11-23 15:49:08,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:08,575 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:08,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08 WrapperNode [2021-11-23 15:49:08,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:08,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:08,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:08,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:08,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 15:49:08,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 15:49:08,840 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4128 [2021-11-23 15:49:08,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:08,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:08,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:08,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:08,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 15:49:08,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 15:49:08,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 15:49:08,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 15:49:09,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 15:49:09,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 15:49:09,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 15:49:09,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:09,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:09,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:09,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:09,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:08" (1/1) ... [2021-11-23 15:49:09,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:09,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:09,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:09,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:49:09,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:09,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:09,350 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:09,352 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:24,688 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:49:24,747 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 15:49:24,756 INFO L158 Benchmark]: Toolchain (without parser) took 18297.03ms. Allocated memory was 58.7MB in the beginning and 228.6MB in the end (delta: 169.9MB). Free memory was 38.1MB in the beginning and 88.0MB in the end (delta: -49.9MB). Peak memory consumption was 121.5MB. Max. memory is 16.1GB. [2021-11-23 15:49:24,759 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:24,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2118.09ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 38.0MB in the beginning and 56.6MB in the end (delta: -18.6MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2021-11-23 15:49:24,766 INFO L158 Benchmark]: Boogie Procedure Inliner took 263.22ms. Allocated memory is still 96.5MB. Free memory was 56.6MB in the beginning and 45.1MB in the end (delta: 11.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-11-23 15:49:24,768 INFO L158 Benchmark]: Boogie Preprocessor took 351.92ms. Allocated memory was 96.5MB in the beginning and 144.7MB in the end (delta: 48.2MB). Free memory was 45.1MB in the beginning and 78.1MB in the end (delta: -33.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-23 15:49:24,769 INFO L158 Benchmark]: RCFGBuilder took 15559.09ms. Allocated memory was 144.7MB in the beginning and 228.6MB in the end (delta: 83.9MB). Free memory was 78.1MB in the beginning and 88.0MB in the end (delta: -9.9MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2021-11-23 15:49:24,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 39.6MB in the beginning and 39.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2118.09ms. Allocated memory was 58.7MB in the beginning and 96.5MB in the end (delta: 37.7MB). Free memory was 38.0MB in the beginning and 56.6MB in the end (delta: -18.6MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 263.22ms. Allocated memory is still 96.5MB. Free memory was 56.6MB in the beginning and 45.1MB in the end (delta: 11.6MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 351.92ms. Allocated memory was 96.5MB in the beginning and 144.7MB in the end (delta: 48.2MB). Free memory was 45.1MB in the beginning and 78.1MB in the end (delta: -33.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * RCFGBuilder took 15559.09ms. Allocated memory was 144.7MB in the beginning and 228.6MB in the end (delta: 83.9MB). Free memory was 78.1MB in the beginning and 88.0MB in the end (delta: -9.9MB). Peak memory consumption was 78.3MB. 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 15:49:24,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee2b6b95-bb03-40fc-b09f-054cb04f3204/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