./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label21.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/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_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/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_b4a2f343-876d-491b-b7b9-1b9d03067b4d/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 8600e46081012803238847cd2abf778e7d8c7b0d254fcc8508e4407170958048 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:12,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:12,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:12,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:12,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:12,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:12,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:12,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:12,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:12,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:12,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:12,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:12,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:12,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:12,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:12,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:12,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:12,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:12,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:12,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:12,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:12,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:12,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:12,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:12,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:12,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:12,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:12,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:12,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:12,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:12,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:12,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:12,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:12,603 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:12,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:12,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:12,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:12,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:12,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:12,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:12,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:12,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:12,635 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:12,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:12,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:12,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:12,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:12,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:12,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:12,640 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:12,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:12,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:12,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:12,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:12,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:12,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:12,643 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:12,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:12,644 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:12,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:12,645 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:12,645 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:12,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:12,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:12,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:12,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:12,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:12,647 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:12,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:12,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:12,647 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_b4a2f343-876d-491b-b7b9-1b9d03067b4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8600e46081012803238847cd2abf778e7d8c7b0d254fcc8508e4407170958048 [2021-11-23 15:54:12,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:12,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:12,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:12,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:12,920 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:12,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2021-11-23 15:54:13,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/data/14e591ac7/c2e0fba9ce08409a84ab9060f1a466b8/FLAG4c1edd354 [2021-11-23 15:54:13,768 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:13,769 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2021-11-23 15:54:13,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/data/14e591ac7/c2e0fba9ce08409a84ab9060f1a466b8/FLAG4c1edd354 [2021-11-23 15:54:13,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/data/14e591ac7/c2e0fba9ce08409a84ab9060f1a466b8 [2021-11-23 15:54:13,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:13,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:13,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:13,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:13,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:13,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c3d9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:13, skipping insertion in model container [2021-11-23 15:54:13,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:13" (1/1) ... [2021-11-23 15:54:13,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:14,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:14,353 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_b4a2f343-876d-491b-b7b9-1b9d03067b4d/sv-benchmarks/c/eca-rers2012/Problem15_label21.c[7300,7313] [2021-11-23 15:54:14,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:14,842 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:14,869 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_b4a2f343-876d-491b-b7b9-1b9d03067b4d/sv-benchmarks/c/eca-rers2012/Problem15_label21.c[7300,7313] [2021-11-23 15:54:15,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:15,168 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:15,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15 WrapperNode [2021-11-23 15:54:15,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:15,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:15,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:15,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:15,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 15:54:15,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 15:54:15,495 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-11-23 15:54:15,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:15,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:15,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:15,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:15,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 15:54:15,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 15:54:15,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 15:54:15,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 15:54:15,631 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 15:54:15,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 15:54:15,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 15:54:15,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:15,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:15,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:15,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:15,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:15" (1/1) ... [2021-11-23 15:54:15,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:15,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:15,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:15,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:15,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:15,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:15,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:15,882 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:15,884 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:19,183 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:19,238 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 15:54:19,249 INFO L158 Benchmark]: Toolchain (without parser) took 5329.97ms. Allocated memory was 136.3MB in the beginning and 299.9MB in the end (delta: 163.6MB). Free memory was 95.7MB in the beginning and 186.2MB in the end (delta: -90.5MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. [2021-11-23 15:54:19,250 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:19,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.36ms. Allocated memory is still 136.3MB. Free memory was 95.4MB in the beginning and 44.3MB in the end (delta: 51.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:19,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 326.08ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 44.3MB in the beginning and 117.6MB in the end (delta: -73.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:19,254 INFO L158 Benchmark]: Boogie Preprocessor took 207.92ms. Allocated memory is still 182.5MB. Free memory was 117.6MB in the beginning and 99.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:54:19,255 INFO L158 Benchmark]: RCFGBuilder took 3540.27ms. Allocated memory was 182.5MB in the beginning and 299.9MB in the end (delta: 117.4MB). Free memory was 99.3MB in the beginning and 186.2MB in the end (delta: -86.9MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:19,265 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.36ms. Allocated memory is still 136.3MB. Free memory was 95.4MB in the beginning and 44.3MB in the end (delta: 51.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 326.08ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 44.3MB in the beginning and 117.6MB in the end (delta: -73.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 207.92ms. Allocated memory is still 182.5MB. Free memory was 117.6MB in the beginning and 99.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3540.27ms. Allocated memory was 182.5MB in the beginning and 299.9MB in the end (delta: 117.4MB). Free memory was 99.3MB in the beginning and 186.2MB in the end (delta: -86.9MB). Peak memory consumption was 61.5MB. 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 15:54:19,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/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_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/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_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label21.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/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_b4a2f343-876d-491b-b7b9-1b9d03067b4d/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 8600e46081012803238847cd2abf778e7d8c7b0d254fcc8508e4407170958048 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:21,740 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:21,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:21,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:21,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:21,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:21,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:21,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:21,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:21,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:21,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:21,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:21,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:21,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:21,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:21,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:21,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:21,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:21,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:21,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:21,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:21,852 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:21,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:21,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:21,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:21,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:21,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:21,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:21,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:21,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:21,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:21,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:21,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:21,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:21,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:21,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:21,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:21,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:21,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:21,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:21,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:21,884 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:21,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:21,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:21,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:21,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:21,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:21,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:21,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:21,937 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:21,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:21,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:21,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:21,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:21,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:21,939 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:21,940 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:21,940 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:21,940 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:21,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:21,940 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:21,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:21,941 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:21,941 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:21,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:21,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:21,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:21,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:21,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:21,942 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:21,943 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:21,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:21,943 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:21,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:21,944 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_b4a2f343-876d-491b-b7b9-1b9d03067b4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8600e46081012803238847cd2abf778e7d8c7b0d254fcc8508e4407170958048 [2021-11-23 15:54:22,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:22,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:22,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:22,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:22,401 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:22,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2021-11-23 15:54:22,468 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/data/0add53ee6/01de5956ba9b4004a73f5da67fd25259/FLAGc8749bab5 [2021-11-23 15:54:23,263 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:23,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/sv-benchmarks/c/eca-rers2012/Problem15_label21.c [2021-11-23 15:54:23,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/data/0add53ee6/01de5956ba9b4004a73f5da67fd25259/FLAGc8749bab5 [2021-11-23 15:54:23,360 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/data/0add53ee6/01de5956ba9b4004a73f5da67fd25259 [2021-11-23 15:54:23,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:23,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:23,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:23,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:23,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:23,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:23" (1/1) ... [2021-11-23 15:54:23,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fccfdf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:23, skipping insertion in model container [2021-11-23 15:54:23,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:23" (1/1) ... [2021-11-23 15:54:23,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:23,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:23,866 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_b4a2f343-876d-491b-b7b9-1b9d03067b4d/sv-benchmarks/c/eca-rers2012/Problem15_label21.c[7300,7313] [2021-11-23 15:54:24,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:24,396 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:24,451 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_b4a2f343-876d-491b-b7b9-1b9d03067b4d/sv-benchmarks/c/eca-rers2012/Problem15_label21.c[7300,7313] [2021-11-23 15:54:24,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:24,746 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:24,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24 WrapperNode [2021-11-23 15:54:24,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:24,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:24,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:24,749 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:24,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:24,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:24,895 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1755 [2021-11-23 15:54:24,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:24,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:24,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:24,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:24,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:24,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:24,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:24,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:24,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:25,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:25,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:25,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:25,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:24" (1/1) ... [2021-11-23 15:54:25,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:25,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:25,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:25,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:25,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:25,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:25,208 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:25,209 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:46,304 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:46,378 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 15:54:46,388 INFO L158 Benchmark]: Toolchain (without parser) took 23019.21ms. Allocated memory was 69.2MB in the beginning and 134.2MB in the end (delta: 65.0MB). Free memory was 41.9MB in the beginning and 69.3MB in the end (delta: -27.5MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,390 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:46,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1378.88ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 41.6MB in the beginning and 59.0MB in the end (delta: -17.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 146.99ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 44.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,395 INFO L158 Benchmark]: Boogie Preprocessor took 151.72ms. Allocated memory is still 98.6MB. Free memory was 44.1MB in the beginning and 59.9MB in the end (delta: -15.7MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,396 INFO L158 Benchmark]: RCFGBuilder took 21335.06ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 59.9MB in the beginning and 69.3MB in the end (delta: -9.5MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2021-11-23 15:54:46,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory was 32.6MB in the beginning and 32.6MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1378.88ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 41.6MB in the beginning and 59.0MB in the end (delta: -17.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 146.99ms. Allocated memory is still 98.6MB. Free memory was 59.0MB in the beginning and 44.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 151.72ms. Allocated memory is still 98.6MB. Free memory was 44.1MB in the beginning and 59.9MB in the end (delta: -15.7MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * RCFGBuilder took 21335.06ms. Allocated memory was 98.6MB in the beginning and 134.2MB in the end (delta: 35.7MB). Free memory was 59.9MB in the beginning and 69.3MB in the end (delta: -9.5MB). Peak memory consumption was 47.3MB. 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 15:54:46,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4a2f343-876d-491b-b7b9-1b9d03067b4d/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