./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label53.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_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/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_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/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_052b546e-c46c-468c-adfc-74d6acaf65cd/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 cf7c31de51c0c209cdd430efa749df9531ae52b925c1ecc0679c30327245c0e4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:46:04,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:46:04,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:46:04,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:46:04,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:46:04,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:46:04,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:46:04,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:46:04,160 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:46:04,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:46:04,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:46:04,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:46:04,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:46:04,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:46:04,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:46:04,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:46:04,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:46:04,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:46:04,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:46:04,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:46:04,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:46:04,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:46:04,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:46:04,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:46:04,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:46:04,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:46:04,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:46:04,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:46:04,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:46:04,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:46:04,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:46:04,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:46:04,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:46:04,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:46:04,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:46:04,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:46:04,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:46:04,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:46:04,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:46:04,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:46:04,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:46:04,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:46:04,262 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:46:04,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:46:04,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:46:04,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:46:04,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:46:04,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:46:04,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:46:04,265 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:46:04,271 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:46:04,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:46:04,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:46:04,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:46:04,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:46:04,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:46:04,273 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:46:04,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:46:04,273 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:46:04,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:46:04,274 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:46:04,274 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:46:04,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:46:04,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:46:04,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:46:04,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:46:04,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:46:04,275 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:46:04,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:46:04,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:46:04,276 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_052b546e-c46c-468c-adfc-74d6acaf65cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf7c31de51c0c209cdd430efa749df9531ae52b925c1ecc0679c30327245c0e4 [2021-11-23 15:46:04,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:46:04,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:46:04,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:46:04,564 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:46:04,565 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:46:04,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem08_label53.c [2021-11-23 15:46:04,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/data/179955479/3d2960a8dab04e6ca4de0cbcf4ef8065/FLAGfd82ecf56 [2021-11-23 15:46:08,187 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:46:08,187 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/sv-benchmarks/c/eca-rers2012/Problem08_label53.c [2021-11-23 15:46:08,455 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/data/179955479/3d2960a8dab04e6ca4de0cbcf4ef8065/FLAGfd82ecf56 [2021-11-23 15:46:08,512 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/data/179955479/3d2960a8dab04e6ca4de0cbcf4ef8065 [2021-11-23 15:46:08,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:46:08,516 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:46:08,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:08,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:46:08,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:46:08,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:08" (1/1) ... [2021-11-23 15:46:08,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a19b9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:08, skipping insertion in model container [2021-11-23 15:46:08,522 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:08" (1/1) ... [2021-11-23 15:46:08,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:46:10,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:46:35,930 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_052b546e-c46c-468c-adfc-74d6acaf65cd/sv-benchmarks/c/eca-rers2012/Problem08_label53.c[5713382,5713395] [2021-11-23 15:46:36,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:36,062 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:46:49,829 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_052b546e-c46c-468c-adfc-74d6acaf65cd/sv-benchmarks/c/eca-rers2012/Problem08_label53.c[5713382,5713395] [2021-11-23 15:46:49,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:46:55,206 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:46:55,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55 WrapperNode [2021-11-23 15:46:55,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:46:55,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:46:55,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:46:55,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:46:55,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:46:56,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:47:01,943 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2021-11-23 15:47:01,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:01,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:01,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:01,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:01,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:47:01,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:47:03,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:47:03,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:47:06,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:47:06,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:47:07,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:47:08,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:08,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:08,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:08,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:08,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:55" (1/1) ... [2021-11-23 15:47:08,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:08,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:08,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:08,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:47:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:09,284 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:09,286 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:48:21,089 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:48:21,350 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 15:48:21,357 INFO L158 Benchmark]: Toolchain (without parser) took 132838.78ms. Allocated memory was 469.8MB in the beginning and 12.1GB in the end (delta: 11.6GB). Free memory was 210.0MB in the beginning and 8.3GB in the end (delta: -8.1GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 15:48:21,359 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory was 76.0MB in the beginning and 75.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:48:21,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 46690.23ms. Allocated memory was 469.8MB in the beginning and 5.2GB in the end (delta: 4.7GB). Free memory was 210.0MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2021-11-23 15:48:21,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 6735.41ms. Allocated memory was 5.2GB in the beginning and 7.9GB in the end (delta: 2.8GB). Free memory was 3.2GB in the beginning and 5.3GB in the end (delta: -2.1GB). Peak memory consumption was 754.4MB. Max. memory is 16.1GB. [2021-11-23 15:48:21,364 INFO L158 Benchmark]: Boogie Preprocessor took 6093.28ms. Allocated memory is still 7.9GB. Free memory was 5.3GB in the beginning and 4.8GB in the end (delta: 497.0MB). Peak memory consumption was 500.2MB. Max. memory is 16.1GB. [2021-11-23 15:48:21,365 INFO L158 Benchmark]: RCFGBuilder took 73315.14ms. Allocated memory was 7.9GB in the beginning and 12.1GB in the end (delta: 4.2GB). Free memory was 4.8GB in the beginning and 8.3GB in the end (delta: -3.5GB). Peak memory consumption was 857.7MB. Max. memory is 16.1GB. [2021-11-23 15:48:21,374 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory was 76.0MB in the beginning and 75.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 46690.23ms. Allocated memory was 469.8MB in the beginning and 5.2GB in the end (delta: 4.7GB). Free memory was 210.0MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6735.41ms. Allocated memory was 5.2GB in the beginning and 7.9GB in the end (delta: 2.8GB). Free memory was 3.2GB in the beginning and 5.3GB in the end (delta: -2.1GB). Peak memory consumption was 754.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6093.28ms. Allocated memory is still 7.9GB. Free memory was 5.3GB in the beginning and 4.8GB in the end (delta: 497.0MB). Peak memory consumption was 500.2MB. Max. memory is 16.1GB. * RCFGBuilder took 73315.14ms. Allocated memory was 7.9GB in the beginning and 12.1GB in the end (delta: 4.2GB). Free memory was 4.8GB in the beginning and 8.3GB in the end (delta: -3.5GB). Peak memory consumption was 857.7MB. 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 15:48:21,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/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_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/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_052b546e-c46c-468c-adfc-74d6acaf65cd/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 cf7c31de51c0c209cdd430efa749df9531ae52b925c1ecc0679c30327245c0e4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:48:23,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:48:23,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:48:23,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:48:23,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:48:23,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:48:23,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:48:23,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:48:23,901 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:48:23,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:48:23,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:48:23,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:48:23,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:48:23,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:48:23,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:48:23,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:48:23,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:48:23,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:48:23,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:48:23,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:48:23,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:48:23,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:48:23,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:48:23,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:48:23,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:48:23,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:48:23,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:48:23,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:48:23,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:48:23,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:48:23,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:48:23,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:48:23,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:48:23,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:48:23,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:48:23,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:48:23,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:48:23,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:48:23,965 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:48:23,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:48:23,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:48:23,969 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:48:24,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:48:24,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:48:24,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:48:24,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:48:24,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:48:24,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:48:24,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:48:24,036 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:48:24,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:48:24,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:48:24,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:48:24,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:48:24,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:48:24,038 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:48:24,038 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:48:24,038 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:48:24,039 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:48:24,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:48:24,039 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:48:24,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:48:24,039 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:48:24,040 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:48:24,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:48:24,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:48:24,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:48:24,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:48:24,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:48:24,041 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:48:24,041 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:48:24,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:48:24,042 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:48:24,042 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:48:24,042 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_052b546e-c46c-468c-adfc-74d6acaf65cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf7c31de51c0c209cdd430efa749df9531ae52b925c1ecc0679c30327245c0e4 [2021-11-23 15:48:24,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:48:24,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:48:24,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:48:24,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:48:24,509 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:48:24,510 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem08_label53.c [2021-11-23 15:48:24,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/data/38b3b14cc/bc44a386d1374740927e5e7babe24330/FLAG4e46e457d [2021-11-23 15:48:28,407 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:48:28,408 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/sv-benchmarks/c/eca-rers2012/Problem08_label53.c [2021-11-23 15:48:28,661 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/data/38b3b14cc/bc44a386d1374740927e5e7babe24330/FLAG4e46e457d [2021-11-23 15:48:28,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/data/38b3b14cc/bc44a386d1374740927e5e7babe24330 [2021-11-23 15:48:28,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:48:28,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:48:28,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:48:28,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:48:28,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:48:28,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:28" (1/1) ... [2021-11-23 15:48:28,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58eaab1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:48:28, skipping insertion in model container [2021-11-23 15:48:28,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:48:28" (1/1) ... [2021-11-23 15:48:28,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:48:30,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:48:56,521 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_052b546e-c46c-468c-adfc-74d6acaf65cd/sv-benchmarks/c/eca-rers2012/Problem08_label53.c[5713382,5713395] [2021-11-23 15:48:56,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:48:56,650 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:10,633 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_052b546e-c46c-468c-adfc-74d6acaf65cd/sv-benchmarks/c/eca-rers2012/Problem08_label53.c[5713382,5713395] [2021-11-23 15:49:10,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:15,120 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:15,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15 WrapperNode [2021-11-23 15:49:15,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:15,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:15,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:15,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:15,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:16,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:21,843 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184205 [2021-11-23 15:49:21,843 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:21,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:21,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:21,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:21,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:21,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:22,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:22,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:25,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:25,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:26,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:27,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:27,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:27,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:27,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:27,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:15" (1/1) ... [2021-11-23 15:49:27,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:27,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:27,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:27,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:49:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:27,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:28,020 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:28,021 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:06,905 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:07,130 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 15:51:07,134 INFO L158 Benchmark]: Toolchain (without parser) took 158194.79ms. Allocated memory was 566.2MB in the beginning and 12.5GB in the end (delta: 11.9GB). Free memory was 293.5MB in the beginning and 8.9GB in the end (delta: -8.6GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2021-11-23 15:51:07,135 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:07,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 46181.54ms. Allocated memory was 566.2MB in the beginning and 6.6GB in the end (delta: 6.0GB). Free memory was 292.9MB in the beginning and 4.6GB in the end (delta: -4.3GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2021-11-23 15:51:07,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 6722.00ms. Allocated memory was 6.6GB in the beginning and 9.5GB in the end (delta: 2.9GB). Free memory was 4.6GB in the beginning and 6.9GB in the end (delta: -2.3GB). Peak memory consumption was 943.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:07,138 INFO L158 Benchmark]: Boogie Preprocessor took 5691.53ms. Allocated memory is still 9.5GB. Free memory was 6.9GB in the beginning and 6.5GB in the end (delta: 438.3MB). Peak memory consumption was 843.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:07,139 INFO L158 Benchmark]: RCFGBuilder took 99582.39ms. Allocated memory was 9.5GB in the beginning and 12.5GB in the end (delta: 3.0GB). Free memory was 6.5GB in the beginning and 8.9GB in the end (delta: -2.4GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2021-11-23 15:51:07,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 75.5MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 46181.54ms. Allocated memory was 566.2MB in the beginning and 6.6GB in the end (delta: 6.0GB). Free memory was 292.9MB in the beginning and 4.6GB in the end (delta: -4.3GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6722.00ms. Allocated memory was 6.6GB in the beginning and 9.5GB in the end (delta: 2.9GB). Free memory was 4.6GB in the beginning and 6.9GB in the end (delta: -2.3GB). Peak memory consumption was 943.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5691.53ms. Allocated memory is still 9.5GB. Free memory was 6.9GB in the beginning and 6.5GB in the end (delta: 438.3MB). Peak memory consumption was 843.1MB. Max. memory is 16.1GB. * RCFGBuilder took 99582.39ms. Allocated memory was 9.5GB in the beginning and 12.5GB in the end (delta: 3.0GB). Free memory was 6.5GB in the beginning and 8.9GB in the end (delta: -2.4GB). Peak memory consumption was 1.0GB. 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 15:51:07,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_052b546e-c46c-468c-adfc-74d6acaf65cd/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