./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem17_label26.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_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/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_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/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_21633452-bf00-4897-a7ce-cf09040e61ba/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 d21e74f8974e22fefe5d2a2f720c109d2a535f54b9e443011df3f86444f64325 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:30,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:30,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:30,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:30,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:30,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:30,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:30,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:30,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:30,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:30,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:30,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:30,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:30,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:30,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:30,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:30,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:30,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:30,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:30,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:30,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:30,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:30,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:30,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:30,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:30,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:30,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:30,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:30,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:30,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:30,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:30,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:30,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:30,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:30,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:30,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:30,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:30,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:30,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:30,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:30,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:30,330 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:30,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:30,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:30,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:30,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:30,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:30,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:30,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:30,380 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:30,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:30,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:30,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:30,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:30,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:30,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:30,392 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:30,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:30,392 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:30,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:30,393 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:30,393 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:30,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:30,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:30,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:30,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:30,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:30,394 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:30,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:30,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:30,395 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_21633452-bf00-4897-a7ce-cf09040e61ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21e74f8974e22fefe5d2a2f720c109d2a535f54b9e443011df3f86444f64325 [2021-11-23 15:56:30,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:30,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:30,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:30,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:30,685 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:30,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2021-11-23 15:56:30,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/data/56babc75b/5a3afcef800b4e6dba274dfc26b867cc/FLAG9b364c669 [2021-11-23 15:56:31,623 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:31,624 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2021-11-23 15:56:31,653 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/data/56babc75b/5a3afcef800b4e6dba274dfc26b867cc/FLAG9b364c669 [2021-11-23 15:56:32,132 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/data/56babc75b/5a3afcef800b4e6dba274dfc26b867cc [2021-11-23 15:56:32,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:32,138 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:32,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:32,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:32,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:32,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:32" (1/1) ... [2021-11-23 15:56:32,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64eee5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:32, skipping insertion in model container [2021-11-23 15:56:32,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:32" (1/1) ... [2021-11-23 15:56:32,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:32,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:32,518 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_21633452-bf00-4897-a7ce-cf09040e61ba/sv-benchmarks/c/eca-rers2012/Problem17_label26.c[4393,4406] [2021-11-23 15:56:33,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:33,285 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:33,320 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_21633452-bf00-4897-a7ce-cf09040e61ba/sv-benchmarks/c/eca-rers2012/Problem17_label26.c[4393,4406] [2021-11-23 15:56:33,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:33,703 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:33,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:33 WrapperNode [2021-11-23 15:56:33,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:33,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:33,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:33,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:33,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:33" (1/1) ... [2021-11-23 15:56:33,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:33" (1/1) ... [2021-11-23 15:56:34,104 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2611 [2021-11-23 15:56:34,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:34,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:34,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:34,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:34,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:33" (1/1) ... [2021-11-23 15:56:34,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:33" (1/1) ... [2021-11-23 15:56:34,197 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:33" (1/1) ... [2021-11-23 15:56:34,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:33" (1/1) ... [2021-11-23 15:56:34,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:33" (1/1) ... [2021-11-23 15:56:34,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:33" (1/1) ... [2021-11-23 15:56:34,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:33" (1/1) ... [2021-11-23 15:56:34,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:34,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:34,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:34,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:34,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:33" (1/1) ... [2021-11-23 15:56:34,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:34,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:34,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:34,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:34,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:34,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:34,693 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:34,694 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:38,675 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:38,737 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:56:38,748 INFO L158 Benchmark]: Toolchain (without parser) took 6607.40ms. Allocated memory was 102.8MB in the beginning and 423.6MB in the end (delta: 320.9MB). Free memory was 60.8MB in the beginning and 277.2MB in the end (delta: -216.4MB). Peak memory consumption was 161.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:38,748 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:38,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1562.16ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 60.6MB in the beginning and 84.2MB in the end (delta: -23.6MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2021-11-23 15:56:38,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 403.12ms. Allocated memory was 140.5MB in the beginning and 213.9MB in the end (delta: 73.4MB). Free memory was 84.2MB in the beginning and 134.9MB in the end (delta: -50.7MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:38,755 INFO L158 Benchmark]: Boogie Preprocessor took 425.83ms. Allocated memory is still 213.9MB. Free memory was 134.9MB in the beginning and 105.9MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 15:56:38,756 INFO L158 Benchmark]: RCFGBuilder took 4208.51ms. Allocated memory was 213.9MB in the beginning and 423.6MB in the end (delta: 209.7MB). Free memory was 105.9MB in the beginning and 277.2MB in the end (delta: -171.3MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2021-11-23 15:56:38,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 102.8MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1562.16ms. Allocated memory was 102.8MB in the beginning and 140.5MB in the end (delta: 37.7MB). Free memory was 60.6MB in the beginning and 84.2MB in the end (delta: -23.6MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 403.12ms. Allocated memory was 140.5MB in the beginning and 213.9MB in the end (delta: 73.4MB). Free memory was 84.2MB in the beginning and 134.9MB in the end (delta: -50.7MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 425.83ms. Allocated memory is still 213.9MB. Free memory was 134.9MB in the beginning and 105.9MB in the end (delta: 29.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4208.51ms. Allocated memory was 213.9MB in the beginning and 423.6MB in the end (delta: 209.7MB). Free memory was 105.9MB in the beginning and 277.2MB in the end (delta: -171.3MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:56:38,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/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_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/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_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem17_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/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_21633452-bf00-4897-a7ce-cf09040e61ba/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 d21e74f8974e22fefe5d2a2f720c109d2a535f54b9e443011df3f86444f64325 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:41,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:41,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:41,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:41,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:41,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:41,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:41,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:41,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:41,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:41,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:41,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:41,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:41,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:41,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:41,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:41,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:41,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:41,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:41,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:41,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:41,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:41,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:41,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:41,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:41,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:41,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:41,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:41,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:41,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:41,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:41,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:41,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:41,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:41,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:41,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:41,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:41,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:41,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:41,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:41,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:41,309 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:56:41,334 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:41,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:41,336 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:41,336 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:41,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:41,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:41,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:41,338 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:41,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:41,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:41,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:41,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:41,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:41,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:56:41,340 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:56:41,340 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:56:41,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:41,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:41,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:41,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:41,341 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:41,342 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:41,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:41,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:41,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:41,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:41,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:41,343 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:56:41,343 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:56:41,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:41,344 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:56:41,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:56:41,344 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_21633452-bf00-4897-a7ce-cf09040e61ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d21e74f8974e22fefe5d2a2f720c109d2a535f54b9e443011df3f86444f64325 [2021-11-23 15:56:41,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:41,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:41,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:41,750 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:41,751 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:41,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2021-11-23 15:56:41,823 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/data/02e7e149c/0138a722d1d44f02a4a79302c0915b0b/FLAGcb4bf98f4 [2021-11-23 15:56:42,660 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:42,661 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/sv-benchmarks/c/eca-rers2012/Problem17_label26.c [2021-11-23 15:56:42,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/data/02e7e149c/0138a722d1d44f02a4a79302c0915b0b/FLAGcb4bf98f4 [2021-11-23 15:56:42,706 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/data/02e7e149c/0138a722d1d44f02a4a79302c0915b0b [2021-11-23 15:56:42,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:42,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:42,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:42,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:42,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:42,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262578e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42, skipping insertion in model container [2021-11-23 15:56:42,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:42,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:43,138 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_21633452-bf00-4897-a7ce-cf09040e61ba/sv-benchmarks/c/eca-rers2012/Problem17_label26.c[4393,4406] [2021-11-23 15:56:44,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:44,189 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:44,236 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_21633452-bf00-4897-a7ce-cf09040e61ba/sv-benchmarks/c/eca-rers2012/Problem17_label26.c[4393,4406] [2021-11-23 15:56:44,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:44,685 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:44,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:44 WrapperNode [2021-11-23 15:56:44,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:44,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:44,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:44,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:44,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:44" (1/1) ... [2021-11-23 15:56:44,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:44" (1/1) ... [2021-11-23 15:56:44,910 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 2608 [2021-11-23 15:56:44,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:44,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:44,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:44,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:44,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:44" (1/1) ... [2021-11-23 15:56:44,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:44" (1/1) ... [2021-11-23 15:56:44,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:44" (1/1) ... [2021-11-23 15:56:44,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:44" (1/1) ... [2021-11-23 15:56:45,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:44" (1/1) ... [2021-11-23 15:56:45,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:44" (1/1) ... [2021-11-23 15:56:45,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:44" (1/1) ... [2021-11-23 15:56:45,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:45,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:45,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:45,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:45,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:44" (1/1) ... [2021-11-23 15:56:45,102 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:45,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:45,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:45,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:56:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:45,260 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:45,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:20,266 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:20,338 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:20,346 INFO L158 Benchmark]: Toolchain (without parser) took 37633.47ms. Allocated memory was 69.2MB in the beginning and 230.7MB in the end (delta: 161.5MB). Free memory was 42.8MB in the beginning and 98.7MB in the end (delta: -56.0MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:20,347 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 69.2MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:20,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1975.65ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 42.5MB in the beginning and 37.6MB in the end (delta: 5.0MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2021-11-23 15:57:20,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 222.33ms. Allocated memory was 98.6MB in the beginning and 138.4MB in the end (delta: 39.8MB). Free memory was 37.6MB in the beginning and 84.5MB in the end (delta: -46.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:20,352 INFO L158 Benchmark]: Boogie Preprocessor took 181.12ms. Allocated memory is still 138.4MB. Free memory was 84.5MB in the beginning and 66.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:57:20,353 INFO L158 Benchmark]: RCFGBuilder took 35250.04ms. Allocated memory was 138.4MB in the beginning and 230.7MB in the end (delta: 92.3MB). Free memory was 66.9MB in the beginning and 98.7MB in the end (delta: -31.8MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:20,361 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 69.2MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1975.65ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 42.5MB in the beginning and 37.6MB in the end (delta: 5.0MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 222.33ms. Allocated memory was 98.6MB in the beginning and 138.4MB in the end (delta: 39.8MB). Free memory was 37.6MB in the beginning and 84.5MB in the end (delta: -46.9MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.12ms. Allocated memory is still 138.4MB. Free memory was 84.5MB in the beginning and 66.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 35250.04ms. Allocated memory was 138.4MB in the beginning and 230.7MB in the end (delta: 92.3MB). Free memory was 66.9MB in the beginning and 98.7MB in the end (delta: -31.8MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:20,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21633452-bf00-4897-a7ce-cf09040e61ba/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