./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label33.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_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/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_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/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_f36efcb1-2a05-4557-97c8-942dfb21daaa/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 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:38,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:38,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:38,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:38,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:38,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:38,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:38,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:38,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:38,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:38,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:38,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:38,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:38,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:38,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:38,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:38,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:38,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:38,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:38,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:38,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:38,094 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:38,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:38,096 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:38,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:38,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:38,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:38,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:38,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:38,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:38,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:38,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:38,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:38,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:38,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:38,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:38,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:38,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:38,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:38,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:38,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:38,113 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:45:38,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:38,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:38,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:38,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:38,154 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:38,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:38,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:38,154 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:38,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:45:38,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:38,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:38,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:38,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:38,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:38,162 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:38,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:38,162 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:38,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:38,163 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:38,163 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:38,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:38,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:38,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:38,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:38,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:38,164 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:45:38,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:45:38,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:38,165 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_f36efcb1-2a05-4557-97c8-942dfb21daaa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 [2021-11-23 15:45:38,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:38,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:38,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:38,475 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:38,476 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:38,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-11-23 15:45:38,559 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/data/84ae3369b/871ba2aad2934e678d53ed23d231d989/FLAG1259efd6b [2021-11-23 15:45:39,245 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:39,245 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-11-23 15:45:39,271 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/data/84ae3369b/871ba2aad2934e678d53ed23d231d989/FLAG1259efd6b [2021-11-23 15:45:39,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/data/84ae3369b/871ba2aad2934e678d53ed23d231d989 [2021-11-23 15:45:39,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:39,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:39,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:39,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:39,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:39,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:39" (1/1) ... [2021-11-23 15:45:39,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c01904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:39, skipping insertion in model container [2021-11-23 15:45:39,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:39" (1/1) ... [2021-11-23 15:45:39,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:39,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:40,102 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_f36efcb1-2a05-4557-97c8-942dfb21daaa/sv-benchmarks/c/eca-rers2012/Problem03_label33.c[55678,55691] [2021-11-23 15:45:40,153 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:40,163 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:40,417 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_f36efcb1-2a05-4557-97c8-942dfb21daaa/sv-benchmarks/c/eca-rers2012/Problem03_label33.c[55678,55691] [2021-11-23 15:45:40,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:40,452 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:40,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:40 WrapperNode [2021-11-23 15:45:40,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:40,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:40,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:40,472 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:40,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:40" (1/1) ... [2021-11-23 15:45:40,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:40" (1/1) ... [2021-11-23 15:45:40,629 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2021-11-23 15:45:40,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:40,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:40,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:40,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:40,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:40" (1/1) ... [2021-11-23 15:45:40,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:40" (1/1) ... [2021-11-23 15:45:40,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:40" (1/1) ... [2021-11-23 15:45:40,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:40" (1/1) ... [2021-11-23 15:45:40,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:40" (1/1) ... [2021-11-23 15:45:40,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:40" (1/1) ... [2021-11-23 15:45:40,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:40" (1/1) ... [2021-11-23 15:45:40,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:40,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:40,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:40,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:40,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:40" (1/1) ... [2021-11-23 15:45:40,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:40,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:40,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:40,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:40,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:45:40,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:40,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:40,910 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:40,912 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:42,622 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:42,689 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 15:45:42,696 INFO L158 Benchmark]: Toolchain (without parser) took 3322.38ms. Allocated memory was 88.1MB in the beginning and 153.1MB in the end (delta: 65.0MB). Free memory was 59.1MB in the beginning and 82.4MB in the end (delta: -23.3MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2021-11-23 15:45:42,697 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:42,699 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1081.53ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 59.0MB in the beginning and 52.7MB in the end (delta: 6.2MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2021-11-23 15:45:42,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.03ms. Allocated memory is still 107.0MB. Free memory was 52.7MB in the beginning and 60.3MB in the end (delta: -7.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-23 15:45:42,701 INFO L158 Benchmark]: Boogie Preprocessor took 118.66ms. Allocated memory is still 107.0MB. Free memory was 59.7MB in the beginning and 49.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:45:42,702 INFO L158 Benchmark]: RCFGBuilder took 1941.92ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 49.8MB in the beginning and 82.4MB in the end (delta: -32.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:42,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 62.3MB in the beginning and 62.3MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1081.53ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 59.0MB in the beginning and 52.7MB in the end (delta: 6.2MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.03ms. Allocated memory is still 107.0MB. Free memory was 52.7MB in the beginning and 60.3MB in the end (delta: -7.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.66ms. Allocated memory is still 107.0MB. Free memory was 59.7MB in the beginning and 49.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1941.92ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 49.8MB in the beginning and 82.4MB in the end (delta: -32.6MB). Peak memory consumption was 34.4MB. 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 15:45:42,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/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_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/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_f36efcb1-2a05-4557-97c8-942dfb21daaa/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 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:45,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:45,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:45,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:45,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:45,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:45,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:45,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:45,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:45,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:45,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:45,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:45,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:45,424 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:45,426 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:45,428 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:45,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:45,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:45,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:45,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:45,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:45,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:45,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:45,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:45,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:45,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:45,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:45,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:45,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:45,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:45,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:45,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:45,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:45,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:45,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:45,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:45,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:45,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:45,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:45,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:45,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:45,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:45:45,500 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:45,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:45,501 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:45,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:45,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:45,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:45,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:45,506 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:45,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:45,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:45,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:45,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:45,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:45,508 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:45:45,508 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:45:45,509 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:45:45,509 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:45,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:45,509 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:45,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:45,510 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:45,510 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:45,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:45,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:45,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:45,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:45,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:45,512 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:45:45,512 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:45:45,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:45,513 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:45:45,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:45:45,513 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_f36efcb1-2a05-4557-97c8-942dfb21daaa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 [2021-11-23 15:45:45,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:45,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:45,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:45,920 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:45,921 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:45,924 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-11-23 15:45:46,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/data/aed0fa519/54bfb27f489b4d7fb444b88a2fd0c255/FLAG8a02c4aa6 [2021-11-23 15:45:46,714 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:46,715 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-11-23 15:45:46,732 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/data/aed0fa519/54bfb27f489b4d7fb444b88a2fd0c255/FLAG8a02c4aa6 [2021-11-23 15:45:46,900 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/data/aed0fa519/54bfb27f489b4d7fb444b88a2fd0c255 [2021-11-23 15:45:46,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:46,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:46,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:46,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:46,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:46,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:46" (1/1) ... [2021-11-23 15:45:46,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a5c7ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:46, skipping insertion in model container [2021-11-23 15:45:46,917 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:46" (1/1) ... [2021-11-23 15:45:46,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:47,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:47,663 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_f36efcb1-2a05-4557-97c8-942dfb21daaa/sv-benchmarks/c/eca-rers2012/Problem03_label33.c[55678,55691] [2021-11-23 15:45:47,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:47,720 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:47,976 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_f36efcb1-2a05-4557-97c8-942dfb21daaa/sv-benchmarks/c/eca-rers2012/Problem03_label33.c[55678,55691] [2021-11-23 15:45:47,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:48,013 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:48,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:48 WrapperNode [2021-11-23 15:45:48,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:48,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:48,017 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:48,017 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:48,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:48" (1/1) ... [2021-11-23 15:45:48,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:48" (1/1) ... [2021-11-23 15:45:48,173 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1769 [2021-11-23 15:45:48,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:48,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:48,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:48,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:48,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:48" (1/1) ... [2021-11-23 15:45:48,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:48" (1/1) ... [2021-11-23 15:45:48,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:48" (1/1) ... [2021-11-23 15:45:48,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:48" (1/1) ... [2021-11-23 15:45:48,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:48" (1/1) ... [2021-11-23 15:45:48,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:48" (1/1) ... [2021-11-23 15:45:48,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:48" (1/1) ... [2021-11-23 15:45:48,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:48,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:48,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:48,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:48,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:48" (1/1) ... [2021-11-23 15:45:48,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:48,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:48,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:48,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:45:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:48,515 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:48,517 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:51,040 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:51,099 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 15:45:51,110 INFO L158 Benchmark]: Toolchain (without parser) took 4201.61ms. Allocated memory was 54.5MB in the beginning and 130.0MB in the end (delta: 75.5MB). Free memory was 25.6MB in the beginning and 76.4MB in the end (delta: -50.8MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2021-11-23 15:45:51,112 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:51,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1106.62ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 25.4MB in the beginning and 29.5MB in the end (delta: -4.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:45:51,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.87ms. Allocated memory is still 69.2MB. Free memory was 29.5MB in the beginning and 28.2MB in the end (delta: 1.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-23 15:45:51,116 INFO L158 Benchmark]: Boogie Preprocessor took 177.15ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 28.2MB in the beginning and 45.1MB in the end (delta: -16.9MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-11-23 15:45:51,117 INFO L158 Benchmark]: RCFGBuilder took 2753.95ms. Allocated memory was 86.0MB in the beginning and 130.0MB in the end (delta: 44.0MB). Free memory was 45.1MB in the beginning and 76.4MB in the end (delta: -31.3MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:51,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 54.5MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1106.62ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 25.4MB in the beginning and 29.5MB in the end (delta: -4.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.87ms. Allocated memory is still 69.2MB. Free memory was 29.5MB in the beginning and 28.2MB in the end (delta: 1.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 177.15ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 28.2MB in the beginning and 45.1MB in the end (delta: -16.9MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2753.95ms. Allocated memory was 86.0MB in the beginning and 130.0MB in the end (delta: 44.0MB). Free memory was 45.1MB in the beginning and 76.4MB in the end (delta: -31.3MB). Peak memory consumption was 43.4MB. 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 15:45:51,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36efcb1-2a05-4557-97c8-942dfb21daaa/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