./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2018/Problem13.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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/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 39257b2f2790dc593eb015569e826a332fcc3e3cd918d00daa305f748c1b3d75 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:58,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:58,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:58,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:58,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:58,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:58,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:58,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:58,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:58,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:58,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:58,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:58,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:58,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:58,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:58,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:58,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:58,254 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:58,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:58,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:58,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:58,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:58,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:58,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:58,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:58,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:58,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:58,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:58,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:58,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:58,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:58,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:58,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:58,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:58,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:58,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:58,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:58,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:58,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:58,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:58,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:58,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:58,310 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:58,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:58,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:58,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:58,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:58,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:58,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:58,313 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:58,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:58,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:58,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:58,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:58,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:58,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:58,314 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:58,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:58,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:58,315 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:58,315 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:58,315 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:58,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:58,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:58,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:58,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:58,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:58,317 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:58,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:58,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:58,317 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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39257b2f2790dc593eb015569e826a332fcc3e3cd918d00daa305f748c1b3d75 [2021-11-23 15:04:58,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:58,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:58,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:58,631 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:58,633 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:58,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2018/Problem13.c [2021-11-23 15:04:58,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/data/ab26af491/c89ae70f58624f9f802f597fb3652ac5/FLAGd0bc2785a [2021-11-23 15:05:00,639 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:00,642 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/sv-benchmarks/c/eca-rers2018/Problem13.c [2021-11-23 15:05:00,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/data/ab26af491/c89ae70f58624f9f802f597fb3652ac5/FLAGd0bc2785a [2021-11-23 15:05:01,037 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/data/ab26af491/c89ae70f58624f9f802f597fb3652ac5 [2021-11-23 15:05:01,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:01,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:01,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:01,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:01,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:01,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:01" (1/1) ... [2021-11-23 15:05:01,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bdd4efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:01, skipping insertion in model container [2021-11-23 15:05:01,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:01" (1/1) ... [2021-11-23 15:05:01,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:01,940 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:02,310 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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/sv-benchmarks/c/eca-rers2018/Problem13.c[778,791] [2021-11-23 15:05:02,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/sv-benchmarks/c/eca-rers2018/Problem13.c[817,830] [2021-11-23 15:05:17,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:17,163 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:17,191 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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/sv-benchmarks/c/eca-rers2018/Problem13.c[778,791] [2021-11-23 15:05:17,192 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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/sv-benchmarks/c/eca-rers2018/Problem13.c[817,830] [2021-11-23 15:05:19,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:20,885 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:20,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20 WrapperNode [2021-11-23 15:05:20,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:20,886 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:20,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:20,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:20,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:21,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:23,826 INFO L137 Inliner]: procedures = 710, calls = 701, calls flagged for inlining = 597, calls inlined = 597, statements flattened = 108769 [2021-11-23 15:05:23,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:23,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:23,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:23,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:23,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:23,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:24,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:24,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:25,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:25,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:25,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:26,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:26,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:26,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:26,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:26,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:26,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:26,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:26,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:26,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:26,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_a [2021-11-23 15:05:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_a [2021-11-23 15:05:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_b [2021-11-23 15:05:26,268 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_b [2021-11-23 15:05:26,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:26,775 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:26,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:45,700 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:45,776 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 15:05:45,787 INFO L158 Benchmark]: Toolchain (without parser) took 44741.65ms. Allocated memory was 186.6MB in the beginning and 5.6GB in the end (delta: 5.4GB). Free memory was 94.3MB in the beginning and 4.3GB in the end (delta: -4.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2021-11-23 15:05:45,788 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:45,791 INFO L158 Benchmark]: CACSL2BoogieTranslator took 19840.73ms. Allocated memory was 186.6MB in the beginning and 635.4MB in the end (delta: 448.8MB). Free memory was 93.6MB in the beginning and 232.0MB in the end (delta: -138.4MB). Peak memory consumption was 447.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:45,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 2941.02ms. Allocated memory was 635.4MB in the beginning and 1.4GB in the end (delta: 740.3MB). Free memory was 232.0MB in the beginning and 825.5MB in the end (delta: -593.5MB). Peak memory consumption was 241.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:45,794 INFO L158 Benchmark]: Boogie Preprocessor took 2353.30ms. Allocated memory is still 1.4GB. Free memory was 825.5MB in the beginning and 718.6MB in the end (delta: 107.0MB). Peak memory consumption was 177.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:45,795 INFO L158 Benchmark]: RCFGBuilder took 19601.51ms. Allocated memory was 1.4GB in the beginning and 5.6GB in the end (delta: 4.2GB). Free memory was 718.6MB in the beginning and 4.3GB in the end (delta: -3.6GB). Peak memory consumption was 602.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:45,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 19840.73ms. Allocated memory was 186.6MB in the beginning and 635.4MB in the end (delta: 448.8MB). Free memory was 93.6MB in the beginning and 232.0MB in the end (delta: -138.4MB). Peak memory consumption was 447.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 2941.02ms. Allocated memory was 635.4MB in the beginning and 1.4GB in the end (delta: 740.3MB). Free memory was 232.0MB in the beginning and 825.5MB in the end (delta: -593.5MB). Peak memory consumption was 241.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 2353.30ms. Allocated memory is still 1.4GB. Free memory was 825.5MB in the beginning and 718.6MB in the end (delta: 107.0MB). Peak memory consumption was 177.2MB. Max. memory is 16.1GB. * RCFGBuilder took 19601.51ms. Allocated memory was 1.4GB in the beginning and 5.6GB in the end (delta: 4.2GB). Free memory was 718.6MB in the beginning and 4.3GB in the end (delta: -3.6GB). Peak memory consumption was 602.7MB. 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 15:05:45,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2018/Problem13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/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 39257b2f2790dc593eb015569e826a332fcc3e3cd918d00daa305f748c1b3d75 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:48,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:48,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:48,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:48,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:48,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:48,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:48,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:48,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:48,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:48,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:48,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:48,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:48,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:48,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:48,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:48,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:48,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:48,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:48,719 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:48,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:48,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:48,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:48,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:48,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:48,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:48,749 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:48,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:48,751 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:48,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:48,754 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:48,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:48,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:48,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:48,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:48,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:48,774 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:48,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:48,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:48,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:48,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:48,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:48,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:48,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:48,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:48,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:48,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:48,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:48,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:48,841 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:48,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:48,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:48,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:48,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:48,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:48,843 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:48,844 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:48,844 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:48,844 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:48,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:48,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:48,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:48,845 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:48,845 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:48,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:48,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:48,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:48,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:48,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:48,847 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:48,847 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:48,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:48,848 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:48,848 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:48,848 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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39257b2f2790dc593eb015569e826a332fcc3e3cd918d00daa305f748c1b3d75 [2021-11-23 15:05:49,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:49,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:49,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:49,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:49,323 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:49,324 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2018/Problem13.c [2021-11-23 15:05:49,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/data/9e5b92ee1/1eb570cb843d48faa442feef0e738583/FLAGec43600a8 [2021-11-23 15:05:51,945 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:51,946 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/sv-benchmarks/c/eca-rers2018/Problem13.c [2021-11-23 15:05:52,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/data/9e5b92ee1/1eb570cb843d48faa442feef0e738583/FLAGec43600a8 [2021-11-23 15:05:52,265 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/data/9e5b92ee1/1eb570cb843d48faa442feef0e738583 [2021-11-23 15:05:52,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:52,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:52,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:52,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:52,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:52,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:52" (1/1) ... [2021-11-23 15:05:52,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7823a976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:52, skipping insertion in model container [2021-11-23 15:05:52,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:52" (1/1) ... [2021-11-23 15:05:52,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:53,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:53,706 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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/sv-benchmarks/c/eca-rers2018/Problem13.c[778,791] [2021-11-23 15:05:53,741 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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/sv-benchmarks/c/eca-rers2018/Problem13.c[817,830] [2021-11-23 15:06:08,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:08,950 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:08,964 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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/sv-benchmarks/c/eca-rers2018/Problem13.c[778,791] [2021-11-23 15:06:08,967 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_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/sv-benchmarks/c/eca-rers2018/Problem13.c[817,830] [2021-11-23 15:06:10,932 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:12,468 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:12,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:12 WrapperNode [2021-11-23 15:06:12,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:12,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:12,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:12,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:12,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:12" (1/1) ... [2021-11-23 15:06:13,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:12" (1/1) ... [2021-11-23 15:06:15,578 INFO L137 Inliner]: procedures = 710, calls = 701, calls flagged for inlining = 597, calls inlined = 597, statements flattened = 108768 [2021-11-23 15:06:15,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:15,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:15,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:15,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:15,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:12" (1/1) ... [2021-11-23 15:06:15,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:12" (1/1) ... [2021-11-23 15:06:15,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:12" (1/1) ... [2021-11-23 15:06:15,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:12" (1/1) ... [2021-11-23 15:06:16,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:12" (1/1) ... [2021-11-23 15:06:16,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:12" (1/1) ... [2021-11-23 15:06:17,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:12" (1/1) ... [2021-11-23 15:06:17,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:17,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:17,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:17,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:17,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:12" (1/1) ... [2021-11-23 15:06:17,358 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:17,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:17,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:17,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:06:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_a [2021-11-23 15:06:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_a [2021-11-23 15:06:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error_b [2021-11-23 15:06:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error_b [2021-11-23 15:06:18,185 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:18,186 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:44,538 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:44,613 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 15:06:44,619 INFO L158 Benchmark]: Toolchain (without parser) took 52347.02ms. Allocated memory was 270.5MB in the beginning and 6.9GB in the end (delta: 6.6GB). Free memory was 184.2MB in the beginning and 6.1GB in the end (delta: -5.9GB). Peak memory consumption was 997.4MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,619 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 54.5MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:44,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 20211.08ms. Allocated memory was 270.5MB in the beginning and 1.1GB in the end (delta: 855.6MB). Free memory was 184.0MB in the beginning and 715.4MB in the end (delta: -531.4MB). Peak memory consumption was 592.7MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 3093.75ms. Allocated memory was 1.1GB in the beginning and 2.3GB in the end (delta: 1.2GB). Free memory was 715.4MB in the beginning and 1.8GB in the end (delta: -1.1GB). Peak memory consumption was 244.3MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,623 INFO L158 Benchmark]: Boogie Preprocessor took 1762.72ms. Allocated memory is still 2.3GB. Free memory was 1.8GB in the beginning and 1.6GB in the end (delta: 148.9MB). Peak memory consumption was 154.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,624 INFO L158 Benchmark]: RCFGBuilder took 27268.44ms. Allocated memory was 2.3GB in the beginning and 6.9GB in the end (delta: 4.6GB). Free memory was 1.6GB in the beginning and 6.1GB in the end (delta: -4.5GB). Peak memory consumption was 390.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:44,628 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 54.5MB. Free memory is still 35.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 20211.08ms. Allocated memory was 270.5MB in the beginning and 1.1GB in the end (delta: 855.6MB). Free memory was 184.0MB in the beginning and 715.4MB in the end (delta: -531.4MB). Peak memory consumption was 592.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3093.75ms. Allocated memory was 1.1GB in the beginning and 2.3GB in the end (delta: 1.2GB). Free memory was 715.4MB in the beginning and 1.8GB in the end (delta: -1.1GB). Peak memory consumption was 244.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1762.72ms. Allocated memory is still 2.3GB. Free memory was 1.8GB in the beginning and 1.6GB in the end (delta: 148.9MB). Peak memory consumption was 154.1MB. Max. memory is 16.1GB. * RCFGBuilder took 27268.44ms. Allocated memory was 2.3GB in the beginning and 6.9GB in the end (delta: 4.6GB). Free memory was 1.6GB in the beginning and 6.1GB in the end (delta: -4.5GB). Peak memory consumption was 390.1MB. 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 15:06:44,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d84a7e-5e61-4bab-a4b2-806bb5d7858b/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable