./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label49.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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/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 6eed2c2d5e428bcec2beb9a0ebe7c478639dba36839dc4adf5520912920088de --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:08,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:08,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:09,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:09,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:09,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:09,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:09,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:09,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:09,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:09,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:09,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:09,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:09,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:09,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:09,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:09,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:09,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:09,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:09,063 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:09,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:09,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:09,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:09,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:09,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:09,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:09,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:09,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:09,075 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:09,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:09,076 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:09,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:09,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:09,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:09,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:09,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:09,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:09,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:09,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:09,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:09,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:09,085 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:09,105 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:09,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:09,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:09,107 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:09,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:09,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:09,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:09,108 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:09,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:09,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:09,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:09,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:09,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:09,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:09,110 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:09,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:09,110 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:09,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:09,111 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:09,111 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:09,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:09,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:09,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:09,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:09,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:09,112 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:09,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:09,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:09,113 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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eed2c2d5e428bcec2beb9a0ebe7c478639dba36839dc4adf5520912920088de [2021-11-23 15:55:09,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:09,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:09,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:09,378 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:09,379 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:09,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem15_label49.c [2021-11-23 15:55:09,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/data/607d7dbdf/cd4f1ebf00ea49daac92082a899acadd/FLAGf291292d2 [2021-11-23 15:55:10,145 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:10,147 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/sv-benchmarks/c/eca-rers2012/Problem15_label49.c [2021-11-23 15:55:10,172 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/data/607d7dbdf/cd4f1ebf00ea49daac92082a899acadd/FLAGf291292d2 [2021-11-23 15:55:10,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/data/607d7dbdf/cd4f1ebf00ea49daac92082a899acadd [2021-11-23 15:55:10,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:10,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:10,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:10,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:10,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:10,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:10,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468f8b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10, skipping insertion in model container [2021-11-23 15:55:10,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:10,299 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:10,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:10,693 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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/sv-benchmarks/c/eca-rers2012/Problem15_label49.c[6430,6443] [2021-11-23 15:55:11,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:11,215 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:11,237 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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/sv-benchmarks/c/eca-rers2012/Problem15_label49.c[6430,6443] [2021-11-23 15:55:11,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:11,471 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:11,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:11 WrapperNode [2021-11-23 15:55:11,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:11,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:11,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:11,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:11,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:11" (1/1) ... [2021-11-23 15:55:11,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:11" (1/1) ... [2021-11-23 15:55:11,702 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-11-23 15:55:11,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:11,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:11,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:11,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:11,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:11" (1/1) ... [2021-11-23 15:55:11,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:11" (1/1) ... [2021-11-23 15:55:11,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:11" (1/1) ... [2021-11-23 15:55:11,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:11" (1/1) ... [2021-11-23 15:55:11,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:11" (1/1) ... [2021-11-23 15:55:11,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:11" (1/1) ... [2021-11-23 15:55:11,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:11" (1/1) ... [2021-11-23 15:55:11,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:11,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:11,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:11,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:11,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:11" (1/1) ... [2021-11-23 15:55:11,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:11,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:11,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:11,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:11,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:11,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:12,052 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:12,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:15,114 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:15,173 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 15:55:15,184 INFO L158 Benchmark]: Toolchain (without parser) took 4897.48ms. Allocated memory was 111.1MB in the beginning and 241.2MB in the end (delta: 130.0MB). Free memory was 67.9MB in the beginning and 157.3MB in the end (delta: -89.4MB). Peak memory consumption was 112.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:15,184 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:15,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1185.84ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 67.7MB in the beginning and 71.3MB in the end (delta: -3.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:15,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 229.71ms. Allocated memory is still 136.3MB. Free memory was 71.3MB in the beginning and 72.8MB in the end (delta: -1.5MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:15,189 INFO L158 Benchmark]: Boogie Preprocessor took 150.29ms. Allocated memory is still 136.3MB. Free memory was 72.8MB in the beginning and 54.7MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:55:15,190 INFO L158 Benchmark]: RCFGBuilder took 3327.06ms. Allocated memory was 136.3MB in the beginning and 241.2MB in the end (delta: 104.9MB). Free memory was 54.7MB in the beginning and 157.3MB in the end (delta: -102.6MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:15,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1185.84ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 67.7MB in the beginning and 71.3MB in the end (delta: -3.6MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 229.71ms. Allocated memory is still 136.3MB. Free memory was 71.3MB in the beginning and 72.8MB in the end (delta: -1.5MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.29ms. Allocated memory is still 136.3MB. Free memory was 72.8MB in the beginning and 54.7MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3327.06ms. Allocated memory was 136.3MB in the beginning and 241.2MB in the end (delta: 104.9MB). Free memory was 54.7MB in the beginning and 157.3MB in the end (delta: -102.6MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:15,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/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 6eed2c2d5e428bcec2beb9a0ebe7c478639dba36839dc4adf5520912920088de --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:17,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:17,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:17,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:17,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:17,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:17,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:17,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:17,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:17,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:17,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:17,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:17,775 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:17,778 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:17,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:17,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:17,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:17,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:17,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:17,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:17,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:17,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:17,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:17,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:17,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:17,816 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:17,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:17,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:17,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:17,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:17,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:17,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:17,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:17,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:17,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:17,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:17,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:17,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:17,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:17,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:17,829 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:17,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:17,880 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:17,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:17,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:17,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:17,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:17,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:17,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:17,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:17,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:17,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:17,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:17,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:17,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:17,886 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:17,886 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:17,886 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:17,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:17,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:17,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:17,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:17,887 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:17,887 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:17,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:17,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:17,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:17,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:17,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:17,888 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:17,889 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:17,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:17,889 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:17,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:17,890 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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eed2c2d5e428bcec2beb9a0ebe7c478639dba36839dc4adf5520912920088de [2021-11-23 15:55:18,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:18,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:18,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:18,343 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:18,343 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:18,345 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem15_label49.c [2021-11-23 15:55:18,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/data/a9d1a3954/77ba052b9334468187320e3dea3737e8/FLAG00359be11 [2021-11-23 15:55:19,187 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:19,187 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/sv-benchmarks/c/eca-rers2012/Problem15_label49.c [2021-11-23 15:55:19,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/data/a9d1a3954/77ba052b9334468187320e3dea3737e8/FLAG00359be11 [2021-11-23 15:55:19,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/data/a9d1a3954/77ba052b9334468187320e3dea3737e8 [2021-11-23 15:55:19,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:19,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:19,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:19,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:19,339 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:19,340 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:19" (1/1) ... [2021-11-23 15:55:19,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2247966c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:19, skipping insertion in model container [2021-11-23 15:55:19,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:19" (1/1) ... [2021-11-23 15:55:19,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:19,433 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:19,834 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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/sv-benchmarks/c/eca-rers2012/Problem15_label49.c[6430,6443] [2021-11-23 15:55:20,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:20,421 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:20,445 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_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/sv-benchmarks/c/eca-rers2012/Problem15_label49.c[6430,6443] [2021-11-23 15:55:20,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:20,712 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:20,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20 WrapperNode [2021-11-23 15:55:20,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:20,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:20,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:20,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:20,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,869 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1755 [2021-11-23 15:55:20,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:20,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:20,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:20,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:20,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:20,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:20,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:20,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:20,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:21,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:21,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:21,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:21,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:21,138 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:21,140 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:38,376 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:38,434 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 15:55:38,449 INFO L158 Benchmark]: Toolchain (without parser) took 19112.82ms. Allocated memory was 60.8MB in the beginning and 178.3MB in the end (delta: 117.4MB). Free memory was 35.3MB in the beginning and 86.2MB in the end (delta: -50.9MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:38,449 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:38,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1377.99ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 35.0MB in the beginning and 32.9MB in the end (delta: 2.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:38,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 155.39ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 32.9MB in the beginning and 73.8MB in the end (delta: -40.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:38,451 INFO L158 Benchmark]: Boogie Preprocessor took 123.68ms. Allocated memory is still 115.3MB. Free memory was 73.8MB in the beginning and 62.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:38,452 INFO L158 Benchmark]: RCFGBuilder took 17450.49ms. Allocated memory was 115.3MB in the beginning and 178.3MB in the end (delta: 62.9MB). Free memory was 62.6MB in the beginning and 86.2MB in the end (delta: -23.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 15:55:38,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1377.99ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 35.0MB in the beginning and 32.9MB in the end (delta: 2.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 155.39ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 32.9MB in the beginning and 73.8MB in the end (delta: -40.9MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 123.68ms. Allocated memory is still 115.3MB. Free memory was 73.8MB in the beginning and 62.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 17450.49ms. Allocated memory was 115.3MB in the beginning and 178.3MB in the end (delta: 62.9MB). Free memory was 62.6MB in the beginning and 86.2MB in the end (delta: -23.5MB). Peak memory consumption was 41.9MB. 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 15:55:38,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51a55b58-8cd5-4a96-ac7f-241d8bfc2a2a/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