./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem13_label51.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_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/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_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/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_b197cd74-e540-434d-9b82-ff1a1e7058a5/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 c60e1c745de50239709fa60c913e491a1f371528f5baa59b32c10ff978467292 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:16,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:16,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:17,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:17,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:17,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:17,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:17,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:17,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:17,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:17,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:17,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:17,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:17,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:17,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:17,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:17,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:17,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:17,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:17,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:17,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:17,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:17,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:17,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:17,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:17,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:17,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:17,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:17,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:17,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:17,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:17,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:17,073 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:17,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:17,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:17,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:17,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:17,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:17,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:17,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:17,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:17,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:17,122 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:17,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:17,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:17,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:17,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:17,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:17,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:17,126 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:17,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:17,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:17,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:17,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:17,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:17,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:17,135 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:17,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:17,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:17,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:17,136 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:17,136 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:17,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:17,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:17,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:17,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:17,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:17,137 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:17,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:17,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:17,138 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_b197cd74-e540-434d-9b82-ff1a1e7058a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c60e1c745de50239709fa60c913e491a1f371528f5baa59b32c10ff978467292 [2021-11-23 15:58:17,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:17,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:17,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:17,445 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:17,446 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:17,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem13_label51.c [2021-11-23 15:58:17,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/data/ea06791e8/206110f9ed65477b937946bd255c1498/FLAGb729745b8 [2021-11-23 15:58:18,410 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:18,413 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/sv-benchmarks/c/eca-rers2012/Problem13_label51.c [2021-11-23 15:58:18,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/data/ea06791e8/206110f9ed65477b937946bd255c1498/FLAGb729745b8 [2021-11-23 15:58:18,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/data/ea06791e8/206110f9ed65477b937946bd255c1498 [2021-11-23 15:58:18,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:18,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:18,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:18,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:18,897 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:18,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:18" (1/1) ... [2021-11-23 15:58:18,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50420b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:18, skipping insertion in model container [2021-11-23 15:58:18,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:18" (1/1) ... [2021-11-23 15:58:18,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:19,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:19,338 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_b197cd74-e540-434d-9b82-ff1a1e7058a5/sv-benchmarks/c/eca-rers2012/Problem13_label51.c[3668,3681] [2021-11-23 15:58:20,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:20,556 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:20,591 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_b197cd74-e540-434d-9b82-ff1a1e7058a5/sv-benchmarks/c/eca-rers2012/Problem13_label51.c[3668,3681] [2021-11-23 15:58:21,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:21,419 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:21,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:21 WrapperNode [2021-11-23 15:58:21,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:21,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:21,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:21,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:21,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:21" (1/1) ... [2021-11-23 15:58:21,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:21" (1/1) ... [2021-11-23 15:58:22,427 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5583 [2021-11-23 15:58:22,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:22,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:22,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:22,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:22,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:21" (1/1) ... [2021-11-23 15:58:22,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:21" (1/1) ... [2021-11-23 15:58:22,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:21" (1/1) ... [2021-11-23 15:58:22,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:21" (1/1) ... [2021-11-23 15:58:22,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:21" (1/1) ... [2021-11-23 15:58:22,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:21" (1/1) ... [2021-11-23 15:58:23,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:21" (1/1) ... [2021-11-23 15:58:23,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:23,155 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:23,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:23,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:23,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:21" (1/1) ... [2021-11-23 15:58:23,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:23,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:23,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:23,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:23,449 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:23,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:29,708 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:29,774 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:58:29,784 INFO L158 Benchmark]: Toolchain (without parser) took 10890.39ms. Allocated memory was 109.1MB in the beginning and 864.0MB in the end (delta: 755.0MB). Free memory was 77.5MB in the beginning and 586.9MB in the end (delta: -509.4MB). Peak memory consumption was 298.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:29,786 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:29,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2527.08ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 76.8MB in the beginning and 75.4MB in the end (delta: 1.5MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:29,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 1006.12ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 75.4MB in the beginning and 85.0MB in the end (delta: -9.6MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:29,790 INFO L158 Benchmark]: Boogie Preprocessor took 725.96ms. Allocated memory was 213.9MB in the beginning and 432.0MB in the end (delta: 218.1MB). Free memory was 85.0MB in the beginning and 272.0MB in the end (delta: -187.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:29,791 INFO L158 Benchmark]: RCFGBuilder took 6626.90ms. Allocated memory was 432.0MB in the beginning and 864.0MB in the end (delta: 432.0MB). Free memory was 272.0MB in the beginning and 586.9MB in the end (delta: -314.9MB). Peak memory consumption was 171.0MB. Max. memory is 16.1GB. [2021-11-23 15:58:29,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2527.08ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 76.8MB in the beginning and 75.4MB in the end (delta: 1.5MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1006.12ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 75.4MB in the beginning and 85.0MB in the end (delta: -9.6MB). Peak memory consumption was 85.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 725.96ms. Allocated memory was 213.9MB in the beginning and 432.0MB in the end (delta: 218.1MB). Free memory was 85.0MB in the beginning and 272.0MB in the end (delta: -187.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6626.90ms. Allocated memory was 432.0MB in the beginning and 864.0MB in the end (delta: 432.0MB). Free memory was 272.0MB in the beginning and 586.9MB in the end (delta: -314.9MB). Peak memory consumption was 171.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:29,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/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_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/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_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/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_b197cd74-e540-434d-9b82-ff1a1e7058a5/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 c60e1c745de50239709fa60c913e491a1f371528f5baa59b32c10ff978467292 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:32,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:32,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:32,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:32,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:32,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:32,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:32,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:32,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:32,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:32,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:32,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:32,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:32,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:32,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:32,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:32,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:32,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:32,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:32,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:32,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:32,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:32,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:32,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:32,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:32,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:32,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:32,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:32,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:32,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:32,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:32,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:32,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:32,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:32,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:32,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:32,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:32,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:32,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:32,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:32,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:32,688 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:32,738 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:32,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:32,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:32,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:32,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:32,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:32,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:32,742 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:32,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:32,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:32,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:32,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:32,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:32,744 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:32,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:32,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:32,745 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:32,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:32,745 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:32,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:32,746 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:32,746 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:32,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:32,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:32,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:32,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:32,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:32,747 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:32,747 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:32,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:32,748 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:32,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:32,748 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_b197cd74-e540-434d-9b82-ff1a1e7058a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c60e1c745de50239709fa60c913e491a1f371528f5baa59b32c10ff978467292 [2021-11-23 15:58:33,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:33,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:33,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:33,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:33,171 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:33,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem13_label51.c [2021-11-23 15:58:33,240 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/data/a0c9af792/506d5a46f235482485167789cab116e1/FLAG54cbd9f3f [2021-11-23 15:58:34,244 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:34,245 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/sv-benchmarks/c/eca-rers2012/Problem13_label51.c [2021-11-23 15:58:34,287 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/data/a0c9af792/506d5a46f235482485167789cab116e1/FLAG54cbd9f3f [2021-11-23 15:58:34,649 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/data/a0c9af792/506d5a46f235482485167789cab116e1 [2021-11-23 15:58:34,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:34,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:34,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:34,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:34,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:34,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:34,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67772c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:34, skipping insertion in model container [2021-11-23 15:58:34,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:34" (1/1) ... [2021-11-23 15:58:34,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:34,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:35,300 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_b197cd74-e540-434d-9b82-ff1a1e7058a5/sv-benchmarks/c/eca-rers2012/Problem13_label51.c[3668,3681] [2021-11-23 15:58:36,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:36,618 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:36,652 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_b197cd74-e540-434d-9b82-ff1a1e7058a5/sv-benchmarks/c/eca-rers2012/Problem13_label51.c[3668,3681] [2021-11-23 15:58:37,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:37,509 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:37,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37 WrapperNode [2021-11-23 15:58:37,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:37,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:37,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:37,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:37,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:37,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:38,044 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5578 [2021-11-23 15:58:38,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:38,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:38,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:38,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:38,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:38,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:38,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:38,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:38,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:38,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:38,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:38,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:38,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:38,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:38,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:38,425 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:37" (1/1) ... [2021-11-23 15:58:38,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:38,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:38,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:38,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:38,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:38,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:38,625 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:38,626 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:28,401 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:28,456 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:59:28,461 INFO L158 Benchmark]: Toolchain (without parser) took 53807.14ms. Allocated memory was 65.0MB in the beginning and 444.6MB in the end (delta: 379.6MB). Free memory was 38.4MB in the beginning and 200.2MB in the end (delta: -161.7MB). Peak memory consumption was 232.0MB. Max. memory is 16.1GB. [2021-11-23 15:59:28,462 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:28,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2854.29ms. Allocated memory was 65.0MB in the beginning and 119.5MB in the end (delta: 54.5MB). Free memory was 38.2MB in the beginning and 37.3MB in the end (delta: 869.3kB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:28,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 533.25ms. Allocated memory was 119.5MB in the beginning and 188.7MB in the end (delta: 69.2MB). Free memory was 37.3MB in the beginning and 106.5MB in the end (delta: -69.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:28,465 INFO L158 Benchmark]: Boogie Preprocessor took 374.57ms. Allocated memory is still 188.7MB. Free memory was 106.5MB in the beginning and 83.9MB in the end (delta: 22.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:28,466 INFO L158 Benchmark]: RCFGBuilder took 50037.01ms. Allocated memory was 188.7MB in the beginning and 444.6MB in the end (delta: 255.9MB). Free memory was 83.9MB in the beginning and 200.2MB in the end (delta: -116.3MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2021-11-23 15:59:28,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2854.29ms. Allocated memory was 65.0MB in the beginning and 119.5MB in the end (delta: 54.5MB). Free memory was 38.2MB in the beginning and 37.3MB in the end (delta: 869.3kB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 533.25ms. Allocated memory was 119.5MB in the beginning and 188.7MB in the end (delta: 69.2MB). Free memory was 37.3MB in the beginning and 106.5MB in the end (delta: -69.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 374.57ms. Allocated memory is still 188.7MB. Free memory was 106.5MB in the beginning and 83.9MB in the end (delta: 22.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * RCFGBuilder took 50037.01ms. Allocated memory was 188.7MB in the beginning and 444.6MB in the end (delta: 255.9MB). Free memory was 83.9MB in the beginning and 200.2MB in the end (delta: -116.3MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:59:28,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b197cd74-e540-434d-9b82-ff1a1e7058a5/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