./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem13_label28.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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/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 484926faa58a404dd95f955e93679d6ad13b338cc4627616c79e80f48803476c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:57,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:57,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:57,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:57,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:57,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:57,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:57,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:57,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:57,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:57,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:57,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:57,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:57,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:57,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:57,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:57,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:57,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:57,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:57,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:57,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:57,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:57,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:57,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:57,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:57,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:57,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:57,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:57,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:57,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:57,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:57,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:57,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:57,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:57,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:57,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:57,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:57,738 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:57,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:57,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:57,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:57,740 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:48:57,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:57,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:57,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:57,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:57,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:57,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:57,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:57,787 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:48:57,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:48:57,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:48:57,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:57,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:57,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:57,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:57,796 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:48:57,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:57,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:57,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:57,797 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:57,797 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:57,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:57,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:57,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:57,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:57,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:57,799 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:48:57,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:48:57,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:57,800 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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484926faa58a404dd95f955e93679d6ad13b338cc4627616c79e80f48803476c [2021-11-23 15:48:58,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:58,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:58,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:58,133 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:58,134 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:58,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem13_label28.c [2021-11-23 15:48:58,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/data/4890030db/0b6435530988498d8896b3cb022dfc47/FLAGe8b091414 [2021-11-23 15:48:59,164 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:59,164 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/sv-benchmarks/c/eca-rers2012/Problem13_label28.c [2021-11-23 15:48:59,206 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/data/4890030db/0b6435530988498d8896b3cb022dfc47/FLAGe8b091414 [2021-11-23 15:48:59,640 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/data/4890030db/0b6435530988498d8896b3cb022dfc47 [2021-11-23 15:48:59,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:59,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:59,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:59,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:59,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:59,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:59" (1/1) ... [2021-11-23 15:48:59,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5887696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:59, skipping insertion in model container [2021-11-23 15:48:59,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:59" (1/1) ... [2021-11-23 15:48:59,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:59,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:00,207 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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/sv-benchmarks/c/eca-rers2012/Problem13_label28.c[2473,2486] [2021-11-23 15:49:01,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:01,607 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:01,642 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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/sv-benchmarks/c/eca-rers2012/Problem13_label28.c[2473,2486] [2021-11-23 15:49:02,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:02,430 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:02,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:02 WrapperNode [2021-11-23 15:49:02,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:02,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:02,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:02,435 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:02,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:02" (1/1) ... [2021-11-23 15:49:02,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:02" (1/1) ... [2021-11-23 15:49:03,242 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5583 [2021-11-23 15:49:03,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:03,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:03,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:03,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:03,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:02" (1/1) ... [2021-11-23 15:49:03,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:02" (1/1) ... [2021-11-23 15:49:03,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:02" (1/1) ... [2021-11-23 15:49:03,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:02" (1/1) ... [2021-11-23 15:49:03,829 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:02" (1/1) ... [2021-11-23 15:49:03,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:02" (1/1) ... [2021-11-23 15:49:03,987 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:02" (1/1) ... [2021-11-23 15:49:04,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:04,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:04,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:04,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:04,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:02" (1/1) ... [2021-11-23 15:49:04,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:04,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:04,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:04,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:49:04,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:04,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:04,263 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:04,265 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:10,194 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:49:10,245 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:49:10,251 INFO L158 Benchmark]: Toolchain (without parser) took 10606.20ms. Allocated memory was 104.9MB in the beginning and 771.8MB in the end (delta: 666.9MB). Free memory was 55.7MB in the beginning and 434.4MB in the end (delta: -378.7MB). Peak memory consumption was 321.4MB. Max. memory is 16.1GB. [2021-11-23 15:49:10,251 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:10,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2787.32ms. Allocated memory was 104.9MB in the beginning and 192.9MB in the end (delta: 88.1MB). Free memory was 55.5MB in the beginning and 111.1MB in the end (delta: -55.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2021-11-23 15:49:10,253 INFO L158 Benchmark]: Boogie Procedure Inliner took 809.97ms. Allocated memory is still 192.9MB. Free memory was 111.1MB in the beginning and 61.6MB in the end (delta: 49.5MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. [2021-11-23 15:49:10,255 INFO L158 Benchmark]: Boogie Preprocessor took 828.34ms. Allocated memory was 192.9MB in the beginning and 385.9MB in the end (delta: 192.9MB). Free memory was 61.6MB in the beginning and 215.3MB in the end (delta: -153.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 15:49:10,256 INFO L158 Benchmark]: RCFGBuilder took 6175.53ms. Allocated memory was 385.9MB in the beginning and 771.8MB in the end (delta: 385.9MB). Free memory was 214.2MB in the beginning and 434.4MB in the end (delta: -220.2MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. [2021-11-23 15:49:10,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 104.9MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2787.32ms. Allocated memory was 104.9MB in the beginning and 192.9MB in the end (delta: 88.1MB). Free memory was 55.5MB in the beginning and 111.1MB in the end (delta: -55.7MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 809.97ms. Allocated memory is still 192.9MB. Free memory was 111.1MB in the beginning and 61.6MB in the end (delta: 49.5MB). Peak memory consumption was 95.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 828.34ms. Allocated memory was 192.9MB in the beginning and 385.9MB in the end (delta: 192.9MB). Free memory was 61.6MB in the beginning and 215.3MB in the end (delta: -153.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6175.53ms. Allocated memory was 385.9MB in the beginning and 771.8MB in the end (delta: 385.9MB). Free memory was 214.2MB in the beginning and 434.4MB in the end (delta: -220.2MB). Peak memory consumption was 201.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:49:10,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/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 484926faa58a404dd95f955e93679d6ad13b338cc4627616c79e80f48803476c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:49:12,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:12,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:12,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:12,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:12,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:12,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:12,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:12,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:12,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:12,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:12,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:12,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:12,888 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:12,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:12,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:12,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:12,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:12,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:12,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:12,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:12,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:12,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:12,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:12,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:12,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:12,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:12,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:12,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:12,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:12,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:12,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:12,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:12,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:12,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:12,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:12,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:12,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:12,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:12,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:12,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:12,955 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:49:12,998 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:12,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:12,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:13,000 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:13,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:13,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:13,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:13,002 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:13,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:13,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:13,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:13,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:13,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:13,004 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:49:13,005 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:49:13,005 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:49:13,005 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:13,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:13,006 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:13,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:13,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:13,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:13,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:13,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:13,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:13,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:13,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:13,008 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:49:13,008 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:49:13,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:13,008 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:49:13,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:49:13,009 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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 484926faa58a404dd95f955e93679d6ad13b338cc4627616c79e80f48803476c [2021-11-23 15:49:13,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:13,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:13,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:13,439 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:13,440 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:13,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem13_label28.c [2021-11-23 15:49:13,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/data/0ffdf0c04/c706f981f6f14260bf7b2c4ca142cd9b/FLAG791046129 [2021-11-23 15:49:14,422 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:14,423 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/sv-benchmarks/c/eca-rers2012/Problem13_label28.c [2021-11-23 15:49:14,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/data/0ffdf0c04/c706f981f6f14260bf7b2c4ca142cd9b/FLAG791046129 [2021-11-23 15:49:14,887 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/data/0ffdf0c04/c706f981f6f14260bf7b2c4ca142cd9b [2021-11-23 15:49:14,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:14,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:14,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:14,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:14,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:14,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:14" (1/1) ... [2021-11-23 15:49:14,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7dd2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:14, skipping insertion in model container [2021-11-23 15:49:14,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:14" (1/1) ... [2021-11-23 15:49:14,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:15,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:15,431 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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/sv-benchmarks/c/eca-rers2012/Problem13_label28.c[2473,2486] [2021-11-23 15:49:16,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:16,740 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:16,772 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_1d6dd95c-452c-4095-98e4-c60a79b42f2e/sv-benchmarks/c/eca-rers2012/Problem13_label28.c[2473,2486] [2021-11-23 15:49:17,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:17,701 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:17,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17 WrapperNode [2021-11-23 15:49:17,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:17,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:17,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:17,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:17,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 15:49:17,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 15:49:18,102 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5578 [2021-11-23 15:49:18,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:18,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:18,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:18,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:18,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 15:49:18,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 15:49:18,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 15:49:18,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 15:49:18,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 15:49:18,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 15:49:18,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 15:49:18,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:18,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:18,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:18,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:18,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:17" (1/1) ... [2021-11-23 15:49:18,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:18,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:18,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:18,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:49:18,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:18,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:18,964 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:18,965 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:07,288 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:07,348 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 15:50:07,353 INFO L158 Benchmark]: Toolchain (without parser) took 52459.85ms. Allocated memory was 54.5MB in the beginning and 557.8MB in the end (delta: 503.3MB). Free memory was 24.6MB in the beginning and 311.6MB in the end (delta: -287.0MB). Peak memory consumption was 223.0MB. Max. memory is 16.1GB. [2021-11-23 15:50:07,354 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:07,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2808.56ms. Allocated memory was 54.5MB in the beginning and 148.9MB in the end (delta: 94.4MB). Free memory was 24.4MB in the beginning and 88.1MB in the end (delta: -63.7MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-11-23 15:50:07,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 403.05ms. Allocated memory is still 148.9MB. Free memory was 88.1MB in the beginning and 67.7MB in the end (delta: 20.4MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2021-11-23 15:50:07,357 INFO L158 Benchmark]: Boogie Preprocessor took 498.91ms. Allocated memory was 148.9MB in the beginning and 343.9MB in the end (delta: 195.0MB). Free memory was 67.7MB in the beginning and 245.6MB in the end (delta: -177.9MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:07,358 INFO L158 Benchmark]: RCFGBuilder took 48742.80ms. Allocated memory was 343.9MB in the beginning and 557.8MB in the end (delta: 213.9MB). Free memory was 245.6MB in the beginning and 311.6MB in the end (delta: -66.0MB). Peak memory consumption was 153.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:07,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory is still 34.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2808.56ms. Allocated memory was 54.5MB in the beginning and 148.9MB in the end (delta: 94.4MB). Free memory was 24.4MB in the beginning and 88.1MB in the end (delta: -63.7MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 403.05ms. Allocated memory is still 148.9MB. Free memory was 88.1MB in the beginning and 67.7MB in the end (delta: 20.4MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 498.91ms. Allocated memory was 148.9MB in the beginning and 343.9MB in the end (delta: 195.0MB). Free memory was 67.7MB in the beginning and 245.6MB in the end (delta: -177.9MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * RCFGBuilder took 48742.80ms. Allocated memory was 343.9MB in the beginning and 557.8MB in the end (delta: 213.9MB). Free memory was 245.6MB in the beginning and 311.6MB in the end (delta: -66.0MB). Peak memory consumption was 153.1MB. 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 15:50:07,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d6dd95c-452c-4095-98e4-c60a79b42f2e/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