./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem13_label23.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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/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 adf96f71bf2a13ae5fd22bce01b9c481e5a9d21572a73a17cea58c8fcaecb44e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:59,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:59,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:00,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:00,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:00,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:00,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:00,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:00,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:00,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:00,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:00,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:00,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:00,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:00,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:00,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:00,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:00,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:00,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:00,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:00,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:00,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:00,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:00,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:00,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:00,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:00,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:00,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:00,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:00,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:00,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:00,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:00,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:00,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:00,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:00,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:00,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:00,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:00,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:00,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:00,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:00,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:00,170 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:00,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:00,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:00,178 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:00,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:00,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:00,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:00,185 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:00,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:00,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:00,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:00,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:00,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:00,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:00,187 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:00,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:00,188 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:00,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:00,188 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:00,189 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:00,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:00,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:00,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:00,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:00,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:00,192 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:00,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:00,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:00,193 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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adf96f71bf2a13ae5fd22bce01b9c481e5a9d21572a73a17cea58c8fcaecb44e [2021-11-23 15:33:00,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:00,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:00,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:00,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:00,567 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:00,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem13_label23.c [2021-11-23 15:33:00,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/data/ca5e69779/b7f6ed897bf84ed99b51f22f3a174cf8/FLAG5b77cf272 [2021-11-23 15:33:01,629 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:01,632 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/sv-benchmarks/c/eca-rers2012/Problem13_label23.c [2021-11-23 15:33:01,675 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/data/ca5e69779/b7f6ed897bf84ed99b51f22f3a174cf8/FLAG5b77cf272 [2021-11-23 15:33:02,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/data/ca5e69779/b7f6ed897bf84ed99b51f22f3a174cf8 [2021-11-23 15:33:02,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:02,048 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:02,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:02,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:02,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:02,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:02" (1/1) ... [2021-11-23 15:33:02,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361cd407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:02, skipping insertion in model container [2021-11-23 15:33:02,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:02" (1/1) ... [2021-11-23 15:33:02,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:02,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:02,623 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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/sv-benchmarks/c/eca-rers2012/Problem13_label23.c[2192,2205] [2021-11-23 15:33:03,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:03,910 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:03,951 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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/sv-benchmarks/c/eca-rers2012/Problem13_label23.c[2192,2205] [2021-11-23 15:33:04,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:04,752 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:04,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04 WrapperNode [2021-11-23 15:33:04,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:04,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:04,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:04,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:04,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04" (1/1) ... [2021-11-23 15:33:04,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04" (1/1) ... [2021-11-23 15:33:05,640 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5583 [2021-11-23 15:33:05,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:05,642 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:05,642 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:05,642 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:05,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04" (1/1) ... [2021-11-23 15:33:05,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04" (1/1) ... [2021-11-23 15:33:05,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04" (1/1) ... [2021-11-23 15:33:05,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04" (1/1) ... [2021-11-23 15:33:06,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04" (1/1) ... [2021-11-23 15:33:06,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04" (1/1) ... [2021-11-23 15:33:06,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04" (1/1) ... [2021-11-23 15:33:06,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:06,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:06,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:06,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:06,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:04" (1/1) ... [2021-11-23 15:33:06,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:06,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:06,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:06,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:06,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:06,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:06,829 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:06,831 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:12,824 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:12,955 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 15:33:12,966 INFO L158 Benchmark]: Toolchain (without parser) took 10915.60ms. Allocated memory was 117.4MB in the beginning and 729.8MB in the end (delta: 612.4MB). Free memory was 89.6MB in the beginning and 552.6MB in the end (delta: -463.1MB). Peak memory consumption was 344.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,969 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 92.3MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:12,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2704.16ms. Allocated memory was 117.4MB in the beginning and 182.5MB in the end (delta: 65.0MB). Free memory was 89.0MB in the beginning and 107.7MB in the end (delta: -18.8MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 886.09ms. Allocated memory was 182.5MB in the beginning and 364.9MB in the end (delta: 182.5MB). Free memory was 107.7MB in the beginning and 235.2MB in the end (delta: -127.5MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,973 INFO L158 Benchmark]: Boogie Preprocessor took 935.93ms. Allocated memory is still 364.9MB. Free memory was 235.2MB in the beginning and 210.0MB in the end (delta: 25.2MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,974 INFO L158 Benchmark]: RCFGBuilder took 6383.38ms. Allocated memory was 364.9MB in the beginning and 729.8MB in the end (delta: 364.9MB). Free memory was 210.0MB in the beginning and 552.6MB in the end (delta: -342.6MB). Peak memory consumption was 218.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:12,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 92.3MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2704.16ms. Allocated memory was 117.4MB in the beginning and 182.5MB in the end (delta: 65.0MB). Free memory was 89.0MB in the beginning and 107.7MB in the end (delta: -18.8MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 886.09ms. Allocated memory was 182.5MB in the beginning and 364.9MB in the end (delta: 182.5MB). Free memory was 107.7MB in the beginning and 235.2MB in the end (delta: -127.5MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 935.93ms. Allocated memory is still 364.9MB. Free memory was 235.2MB in the beginning and 210.0MB in the end (delta: 25.2MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. * RCFGBuilder took 6383.38ms. Allocated memory was 364.9MB in the beginning and 729.8MB in the end (delta: 364.9MB). Free memory was 210.0MB in the beginning and 552.6MB in the end (delta: -342.6MB). Peak memory consumption was 218.4MB. 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 15:33:13,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem13_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/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 adf96f71bf2a13ae5fd22bce01b9c481e5a9d21572a73a17cea58c8fcaecb44e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:15,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:15,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:15,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:15,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:15,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:15,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:15,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:15,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:15,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:15,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:15,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:15,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:15,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:15,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:15,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:15,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:15,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:15,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:15,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:15,768 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:15,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:15,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:15,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:15,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:15,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:15,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:15,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:15,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:15,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:15,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:15,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:15,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:15,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:15,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:15,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:15,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:15,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:15,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:15,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:15,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:15,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:15,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:15,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:15,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:15,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:15,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:15,831 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:15,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:15,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:15,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:15,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:15,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:15,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:15,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:15,834 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:15,834 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:15,834 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:15,834 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:15,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:15,835 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:15,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:15,835 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:15,836 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:15,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:15,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:15,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:15,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:15,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:15,838 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:15,838 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:15,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:15,838 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:15,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:15,839 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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adf96f71bf2a13ae5fd22bce01b9c481e5a9d21572a73a17cea58c8fcaecb44e [2021-11-23 15:33:16,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:16,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:16,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:16,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:16,281 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:16,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem13_label23.c [2021-11-23 15:33:16,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/data/f0e6c6797/db17faff378a4b7a963b648f2e101938/FLAGba0086f21 [2021-11-23 15:33:17,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:17,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/sv-benchmarks/c/eca-rers2012/Problem13_label23.c [2021-11-23 15:33:17,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/data/f0e6c6797/db17faff378a4b7a963b648f2e101938/FLAGba0086f21 [2021-11-23 15:33:17,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/data/f0e6c6797/db17faff378a4b7a963b648f2e101938 [2021-11-23 15:33:17,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:17,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:17,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:17,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:17,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:17,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fbeba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:17, skipping insertion in model container [2021-11-23 15:33:17,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:17" (1/1) ... [2021-11-23 15:33:17,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:18,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:18,505 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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/sv-benchmarks/c/eca-rers2012/Problem13_label23.c[2192,2205] [2021-11-23 15:33:20,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:20,135 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:20,175 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_a9c670f6-78ff-48c8-8436-3de34a4cb00b/sv-benchmarks/c/eca-rers2012/Problem13_label23.c[2192,2205] [2021-11-23 15:33:21,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:21,310 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:21,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:21 WrapperNode [2021-11-23 15:33:21,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:21,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:21,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:21,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:21,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:21" (1/1) ... [2021-11-23 15:33:21,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:21" (1/1) ... [2021-11-23 15:33:21,932 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5578 [2021-11-23 15:33:21,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:21,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:21,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:21,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:21,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:21" (1/1) ... [2021-11-23 15:33:21,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:21" (1/1) ... [2021-11-23 15:33:22,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:21" (1/1) ... [2021-11-23 15:33:22,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:21" (1/1) ... [2021-11-23 15:33:22,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:21" (1/1) ... [2021-11-23 15:33:22,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:21" (1/1) ... [2021-11-23 15:33:22,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:21" (1/1) ... [2021-11-23 15:33:22,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:22,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:22,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:22,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:22,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:21" (1/1) ... [2021-11-23 15:33:22,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:22,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:22,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:22,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:22,746 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:22,749 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:34:16,053 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:34:16,150 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 15:34:16,158 INFO L158 Benchmark]: Toolchain (without parser) took 58276.80ms. Allocated memory was 58.7MB in the beginning and 492.8MB in the end (delta: 434.1MB). Free memory was 33.6MB in the beginning and 244.4MB in the end (delta: -210.8MB). Peak memory consumption was 318.8MB. Max. memory is 16.1GB. [2021-11-23 15:34:16,160 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:34:16,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3429.81ms. Allocated memory was 58.7MB in the beginning and 119.5MB in the end (delta: 60.8MB). Free memory was 33.5MB in the beginning and 53.0MB in the end (delta: -19.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2021-11-23 15:34:16,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 619.62ms. Allocated memory was 119.5MB in the beginning and 239.1MB in the end (delta: 119.5MB). Free memory was 53.0MB in the beginning and 161.6MB in the end (delta: -108.6MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2021-11-23 15:34:16,164 INFO L158 Benchmark]: Boogie Preprocessor took 600.07ms. Allocated memory is still 239.1MB. Free memory was 161.6MB in the beginning and 135.2MB in the end (delta: 26.3MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2021-11-23 15:34:16,165 INFO L158 Benchmark]: RCFGBuilder took 53616.32ms. Allocated memory was 239.1MB in the beginning and 492.8MB in the end (delta: 253.8MB). Free memory was 135.2MB in the beginning and 244.4MB in the end (delta: -109.2MB). Peak memory consumption was 245.1MB. Max. memory is 16.1GB. [2021-11-23 15:34:16,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3429.81ms. Allocated memory was 58.7MB in the beginning and 119.5MB in the end (delta: 60.8MB). Free memory was 33.5MB in the beginning and 53.0MB in the end (delta: -19.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 619.62ms. Allocated memory was 119.5MB in the beginning and 239.1MB in the end (delta: 119.5MB). Free memory was 53.0MB in the beginning and 161.6MB in the end (delta: -108.6MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 600.07ms. Allocated memory is still 239.1MB. Free memory was 161.6MB in the beginning and 135.2MB in the end (delta: 26.3MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * RCFGBuilder took 53616.32ms. Allocated memory was 239.1MB in the beginning and 492.8MB in the end (delta: 253.8MB). Free memory was 135.2MB in the beginning and 244.4MB in the end (delta: -109.2MB). Peak memory consumption was 245.1MB. 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 15:34:16,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9c670f6-78ff-48c8-8436-3de34a4cb00b/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