./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem12_label01.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_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/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_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/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_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/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 65de5b720550425739629c673edc29b7a854e52f56e69a2e107d2cca3ffb2713 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:06,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:06,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:06,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:06,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:06,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:06,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:06,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:06,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:06,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:06,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:07,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:07,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:07,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:07,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:07,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:07,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:07,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:07,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:07,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:07,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:07,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:07,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:07,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:07,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:07,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:07,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:07,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:07,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:07,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:07,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:07,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:07,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:07,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:07,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:07,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:07,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:07,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:07,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:07,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:07,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:07,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:40:07,111 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:07,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:07,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:07,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:07,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:07,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:07,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:07,121 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:07,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:40:07,122 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:07,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:07,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:07,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:07,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:07,124 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:07,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:07,125 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:07,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:07,125 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:07,125 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:07,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:07,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:07,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:07,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:07,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:07,127 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:40:07,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:40:07,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:07,128 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_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65de5b720550425739629c673edc29b7a854e52f56e69a2e107d2cca3ffb2713 [2021-11-23 15:40:07,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:07,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:07,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:07,448 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:07,449 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:07,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem12_label01.c [2021-11-23 15:40:07,524 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/data/5b83df474/d2ee1bda6f214b8fb4d63774ea79bd35/FLAGad512dd79 [2021-11-23 15:40:08,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:08,405 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/sv-benchmarks/c/eca-rers2012/Problem12_label01.c [2021-11-23 15:40:08,445 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/data/5b83df474/d2ee1bda6f214b8fb4d63774ea79bd35/FLAGad512dd79 [2021-11-23 15:40:08,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/data/5b83df474/d2ee1bda6f214b8fb4d63774ea79bd35 [2021-11-23 15:40:08,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:08,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:08,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:08,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:08,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:08,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:08" (1/1) ... [2021-11-23 15:40:08,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bfca2ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:08, skipping insertion in model container [2021-11-23 15:40:08,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:08" (1/1) ... [2021-11-23 15:40:08,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:09,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:09,385 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_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/sv-benchmarks/c/eca-rers2012/Problem12_label01.c[5916,5929] [2021-11-23 15:40:10,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:10,503 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:10,542 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_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/sv-benchmarks/c/eca-rers2012/Problem12_label01.c[5916,5929] [2021-11-23 15:40:11,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:11,247 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:11,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:11 WrapperNode [2021-11-23 15:40:11,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:11,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:11,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:11,249 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:11,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:11" (1/1) ... [2021-11-23 15:40:11,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:11" (1/1) ... [2021-11-23 15:40:11,662 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4757 [2021-11-23 15:40:11,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:11,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:11,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:11,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:11,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:11" (1/1) ... [2021-11-23 15:40:11,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:11" (1/1) ... [2021-11-23 15:40:11,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:11" (1/1) ... [2021-11-23 15:40:11,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:11" (1/1) ... [2021-11-23 15:40:11,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:11" (1/1) ... [2021-11-23 15:40:11,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:11" (1/1) ... [2021-11-23 15:40:12,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:11" (1/1) ... [2021-11-23 15:40:12,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:12,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:12,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:12,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:12,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:11" (1/1) ... [2021-11-23 15:40:12,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:12,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:12,255 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:12,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:40:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:12,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:12,399 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:12,401 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:17,188 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:17,239 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 15:40:17,244 INFO L158 Benchmark]: Toolchain (without parser) took 8332.44ms. Allocated memory was 142.6MB in the beginning and 406.8MB in the end (delta: 264.2MB). Free memory was 100.5MB in the beginning and 145.4MB in the end (delta: -44.9MB). Peak memory consumption was 230.7MB. Max. memory is 16.1GB. [2021-11-23 15:40:17,245 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:17,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2334.55ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 63.1MB in the end (delta: 37.0MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2021-11-23 15:40:17,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 414.41ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 63.1MB in the beginning and 88.4MB in the end (delta: -25.3MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:17,248 INFO L158 Benchmark]: Boogie Preprocessor took 558.83ms. Allocated memory is still 203.4MB. Free memory was 88.4MB in the beginning and 92.0MB in the end (delta: -3.6MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2021-11-23 15:40:17,249 INFO L158 Benchmark]: RCFGBuilder took 5019.57ms. Allocated memory was 203.4MB in the beginning and 406.8MB in the end (delta: 203.4MB). Free memory was 92.0MB in the beginning and 145.4MB in the end (delta: -53.4MB). Peak memory consumption was 161.3MB. Max. memory is 16.1GB. [2021-11-23 15:40:17,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2334.55ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 63.1MB in the end (delta: 37.0MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 414.41ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 63.1MB in the beginning and 88.4MB in the end (delta: -25.3MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 558.83ms. Allocated memory is still 203.4MB. Free memory was 88.4MB in the beginning and 92.0MB in the end (delta: -3.6MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * RCFGBuilder took 5019.57ms. Allocated memory was 203.4MB in the beginning and 406.8MB in the end (delta: 203.4MB). Free memory was 92.0MB in the beginning and 145.4MB in the end (delta: -53.4MB). Peak memory consumption was 161.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:40:17,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/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_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/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_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/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 65de5b720550425739629c673edc29b7a854e52f56e69a2e107d2cca3ffb2713 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:19,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:19,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:19,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:19,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:19,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:19,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:19,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:19,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:19,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:19,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:19,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:19,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:19,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:19,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:19,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:19,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:19,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:19,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:19,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:19,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:19,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:19,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:19,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:19,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:19,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:19,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:19,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:19,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:19,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:19,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:19,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:19,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:19,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:19,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:19,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:19,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:19,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:19,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:19,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:19,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:19,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:40:19,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:19,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:19,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:19,915 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:19,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:19,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:19,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:19,917 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:19,917 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:19,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:19,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:19,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:19,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:19,919 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:40:19,920 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:40:19,920 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:40:19,920 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:19,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:19,920 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:19,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:19,921 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:19,921 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:19,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:19,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:19,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:19,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:19,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:19,923 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:40:19,923 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:40:19,923 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:19,923 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:40:19,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:40:19,924 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_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65de5b720550425739629c673edc29b7a854e52f56e69a2e107d2cca3ffb2713 [2021-11-23 15:40:20,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:20,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:20,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:20,305 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:20,306 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:20,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem12_label01.c [2021-11-23 15:40:20,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/data/bcee22a32/8d1518455de6429fade58df7d7319f0f/FLAG5dca05990 [2021-11-23 15:40:21,188 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:21,189 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/sv-benchmarks/c/eca-rers2012/Problem12_label01.c [2021-11-23 15:40:21,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/data/bcee22a32/8d1518455de6429fade58df7d7319f0f/FLAG5dca05990 [2021-11-23 15:40:21,238 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/data/bcee22a32/8d1518455de6429fade58df7d7319f0f [2021-11-23 15:40:21,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:21,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:21,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:21,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:21,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:21,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f01e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:21, skipping insertion in model container [2021-11-23 15:40:21,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:21" (1/1) ... [2021-11-23 15:40:21,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:21,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:21,728 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_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/sv-benchmarks/c/eca-rers2012/Problem12_label01.c[5916,5929] [2021-11-23 15:40:22,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:22,838 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:22,879 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_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/sv-benchmarks/c/eca-rers2012/Problem12_label01.c[5916,5929] [2021-11-23 15:40:23,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:23,541 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:23,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:23 WrapperNode [2021-11-23 15:40:23,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:23,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:23,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:23,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:23,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:23" (1/1) ... [2021-11-23 15:40:23,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:23" (1/1) ... [2021-11-23 15:40:23,799 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4752 [2021-11-23 15:40:23,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:23,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:23,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:23,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:23,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:23" (1/1) ... [2021-11-23 15:40:23,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:23" (1/1) ... [2021-11-23 15:40:23,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:23" (1/1) ... [2021-11-23 15:40:23,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:23" (1/1) ... [2021-11-23 15:40:24,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:23" (1/1) ... [2021-11-23 15:40:24,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:23" (1/1) ... [2021-11-23 15:40:24,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:23" (1/1) ... [2021-11-23 15:40:24,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:24,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:24,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:24,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:24,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:23" (1/1) ... [2021-11-23 15:40:24,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:24,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:24,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:24,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:40:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:24,480 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:24,482 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:49,471 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:49,528 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 15:40:49,541 INFO L158 Benchmark]: Toolchain (without parser) took 28297.77ms. Allocated memory was 60.8MB in the beginning and 448.8MB in the end (delta: 388.0MB). Free memory was 26.7MB in the beginning and 204.2MB in the end (delta: -177.4MB). Peak memory consumption was 211.0MB. Max. memory is 16.1GB. [2021-11-23 15:40:49,542 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:49,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2300.00ms. Allocated memory was 60.8MB in the beginning and 138.4MB in the end (delta: 77.6MB). Free memory was 26.6MB in the beginning and 63.9MB in the end (delta: -37.3MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:49,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.00ms. Allocated memory is still 138.4MB. Free memory was 63.9MB in the beginning and 63.6MB in the end (delta: 358.6kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-23 15:40:49,545 INFO L158 Benchmark]: Boogie Preprocessor took 371.30ms. Allocated memory was 138.4MB in the beginning and 276.8MB in the end (delta: 138.4MB). Free memory was 63.6MB in the beginning and 198.5MB in the end (delta: -134.9MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:49,546 INFO L158 Benchmark]: RCFGBuilder took 25365.19ms. Allocated memory was 276.8MB in the beginning and 448.8MB in the end (delta: 172.0MB). Free memory was 198.5MB in the beginning and 204.2MB in the end (delta: -5.6MB). Peak memory consumption was 168.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:49,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 42.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2300.00ms. Allocated memory was 60.8MB in the beginning and 138.4MB in the end (delta: 77.6MB). Free memory was 26.6MB in the beginning and 63.9MB in the end (delta: -37.3MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.00ms. Allocated memory is still 138.4MB. Free memory was 63.9MB in the beginning and 63.6MB in the end (delta: 358.6kB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 371.30ms. Allocated memory was 138.4MB in the beginning and 276.8MB in the end (delta: 138.4MB). Free memory was 63.6MB in the beginning and 198.5MB in the end (delta: -134.9MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. * RCFGBuilder took 25365.19ms. Allocated memory was 276.8MB in the beginning and 448.8MB in the end (delta: 172.0MB). Free memory was 198.5MB in the beginning and 204.2MB in the end (delta: -5.6MB). Peak memory consumption was 168.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:40:49,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cf1153d-6cdf-4d4e-9d4a-542d8773509a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable