./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/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 ec8d0e0fff6557971f4673d636c1311100eb98b16afa0105e7601631fec8f322 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:35,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:35,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:35,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:35,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:35,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:35,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:35,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:35,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:35,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:35,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:35,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:35,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:35,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:35,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:35,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:35,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:35,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:35,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:35,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:35,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:35,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:35,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:35,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:35,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:35,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:35,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:35,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:35,909 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:35,910 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:35,911 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:35,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:35,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:35,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:35,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:35,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:35,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:35,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:35,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:35,919 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:35,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:35,921 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:52:35,965 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:35,965 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:35,967 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:35,967 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:35,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:35,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:35,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:35,969 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:35,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:52:35,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:35,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:35,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:35,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:35,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:35,971 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:35,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:35,972 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:35,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:35,972 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:35,972 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:35,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:35,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:35,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:35,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:35,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:35,974 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:52:35,974 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:52:35,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:35,974 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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8d0e0fff6557971f4673d636c1311100eb98b16afa0105e7601631fec8f322 [2021-11-23 15:52:36,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:36,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:36,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:36,364 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:36,365 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:36,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2021-11-23 15:52:36,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/data/64ecdbb9c/f837667dc1814bf28f8d53e85d34f356/FLAG5fd22ebfd [2021-11-23 15:52:37,050 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:37,050 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2021-11-23 15:52:37,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/data/64ecdbb9c/f837667dc1814bf28f8d53e85d34f356/FLAG5fd22ebfd [2021-11-23 15:52:37,272 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/data/64ecdbb9c/f837667dc1814bf28f8d53e85d34f356 [2021-11-23 15:52:37,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:37,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:37,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:37,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:37,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:37,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:37" (1/1) ... [2021-11-23 15:52:37,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52faab5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:37, skipping insertion in model container [2021-11-23 15:52:37,289 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:37" (1/1) ... [2021-11-23 15:52:37,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:37,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:37,722 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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2021-11-23 15:52:37,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:37,985 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:38,019 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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2021-11-23 15:52:38,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:38,173 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:38,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38 WrapperNode [2021-11-23 15:52:38,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:38,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:38,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:38,178 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:38,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,312 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2021-11-23 15:52:38,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:38,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:38,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:38,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:38,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:38,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:38,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:38,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:38,445 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:38" (1/1) ... [2021-11-23 15:52:38,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:38,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:38,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:38,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:38,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:52:38,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:38,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:38,652 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:38,655 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:39,912 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:39,953 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 15:52:39,963 INFO L158 Benchmark]: Toolchain (without parser) took 2685.26ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 49.3MB in the beginning and 48.1MB in the end (delta: 1.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,964 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:39,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 892.85ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 62.7MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.80ms. Allocated memory is still 109.1MB. Free memory was 62.7MB in the beginning and 52.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,969 INFO L158 Benchmark]: Boogie Preprocessor took 127.51ms. Allocated memory is still 109.1MB. Free memory was 52.9MB in the beginning and 47.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,970 INFO L158 Benchmark]: RCFGBuilder took 1517.80ms. Allocated memory is still 109.1MB. Free memory was 47.1MB in the beginning and 48.1MB in the end (delta: -961.6kB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:39,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 892.85ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 49.1MB in the beginning and 62.7MB in the end (delta: -13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.80ms. Allocated memory is still 109.1MB. Free memory was 62.7MB in the beginning and 52.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.51ms. Allocated memory is still 109.1MB. Free memory was 52.9MB in the beginning and 47.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1517.80ms. Allocated memory is still 109.1MB. Free memory was 47.1MB in the beginning and 48.1MB in the end (delta: -961.6kB). Peak memory consumption was 19.1MB. 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 15:52:40,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/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 ec8d0e0fff6557971f4673d636c1311100eb98b16afa0105e7601631fec8f322 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:42,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:42,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:42,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:42,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:42,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:42,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:42,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:42,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:42,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:42,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:42,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:42,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:42,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:42,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:42,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:42,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:42,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:42,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:42,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:42,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:42,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:42,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:42,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:42,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:42,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:42,683 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:42,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:42,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:42,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:42,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:42,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:42,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:42,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:42,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:42,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:42,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:42,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:42,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:42,697 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:42,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:42,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:42,742 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:42,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:42,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:42,744 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:42,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:42,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:42,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:42,747 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:42,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:42,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:42,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:42,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:42,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:42,749 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:42,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:42,749 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:42,750 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:42,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:42,750 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:42,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:42,751 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:42,751 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:42,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:42,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:42,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:42,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:42,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:42,752 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:42,753 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:42,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:42,753 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:42,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:42,754 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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8d0e0fff6557971f4673d636c1311100eb98b16afa0105e7601631fec8f322 [2021-11-23 15:52:43,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:43,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:43,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:43,167 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:43,168 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:43,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2021-11-23 15:52:43,239 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/data/9d0f28711/40961a95d5e54a75b55a08b419f9e7e7/FLAG35168bebd [2021-11-23 15:52:43,961 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:43,962 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/sv-benchmarks/c/eca-rers2012/Problem14_label36.c [2021-11-23 15:52:43,975 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/data/9d0f28711/40961a95d5e54a75b55a08b419f9e7e7/FLAG35168bebd [2021-11-23 15:52:44,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/data/9d0f28711/40961a95d5e54a75b55a08b419f9e7e7 [2021-11-23 15:52:44,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:44,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:44,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:44,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:44,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:44,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:44" (1/1) ... [2021-11-23 15:52:44,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6646e5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:44, skipping insertion in model container [2021-11-23 15:52:44,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:44" (1/1) ... [2021-11-23 15:52:44,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:44,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:44,478 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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2021-11-23 15:52:44,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:44,859 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:52:44,906 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_23efc25d-e725-4c6f-8a4e-33b8db52fee7/sv-benchmarks/c/eca-rers2012/Problem14_label36.c[4997,5010] [2021-11-23 15:52:45,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:45,062 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:52:45,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:45 WrapperNode [2021-11-23 15:52:45,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:45,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:45,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:52:45,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:52:45,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:45" (1/1) ... [2021-11-23 15:52:45,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:45" (1/1) ... [2021-11-23 15:52:45,162 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 856 [2021-11-23 15:52:45,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:52:45,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:52:45,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:52:45,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:52:45,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:45" (1/1) ... [2021-11-23 15:52:45,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:45" (1/1) ... [2021-11-23 15:52:45,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:45" (1/1) ... [2021-11-23 15:52:45,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:45" (1/1) ... [2021-11-23 15:52:45,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:45" (1/1) ... [2021-11-23 15:52:45,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:45" (1/1) ... [2021-11-23 15:52:45,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:45" (1/1) ... [2021-11-23 15:52:45,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:52:45,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:52:45,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:52:45,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:52:45,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:45" (1/1) ... [2021-11-23 15:52:45,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:45,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:52:45,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:52:45,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:52:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:52:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:52:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:52:45,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:52:45,469 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:52:45,471 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:49,122 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:49,161 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 15:52:49,168 INFO L158 Benchmark]: Toolchain (without parser) took 5005.01ms. Allocated memory was 60.8MB in the beginning and 113.2MB in the end (delta: 52.4MB). Free memory was 38.6MB in the beginning and 65.0MB in the end (delta: -26.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:49,168 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:49,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 901.15ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 38.5MB in the beginning and 59.5MB in the end (delta: -21.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2021-11-23 15:52:49,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.29ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 52.9MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:52:49,171 INFO L158 Benchmark]: Boogie Preprocessor took 133.25ms. Allocated memory is still 81.8MB. Free memory was 52.9MB in the beginning and 48.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:52:49,171 INFO L158 Benchmark]: RCFGBuilder took 3867.83ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 48.1MB in the beginning and 65.0MB in the end (delta: -16.9MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2021-11-23 15:52:49,174 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 60.8MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 901.15ms. Allocated memory was 60.8MB in the beginning and 81.8MB in the end (delta: 21.0MB). Free memory was 38.5MB in the beginning and 59.5MB in the end (delta: -21.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.29ms. Allocated memory is still 81.8MB. Free memory was 59.5MB in the beginning and 52.9MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.25ms. Allocated memory is still 81.8MB. Free memory was 52.9MB in the beginning and 48.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 3867.83ms. Allocated memory was 81.8MB in the beginning and 113.2MB in the end (delta: 31.5MB). Free memory was 48.1MB in the beginning and 65.0MB in the end (delta: -16.9MB). Peak memory consumption was 20.1MB. 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 15:52:49,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23efc25d-e725-4c6f-8a4e-33b8db52fee7/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