./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label12.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_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/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_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/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_5000db8d-90df-47f4-b0f8-3c05784a6497/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 8435b51fcccee12d993f927a9d731b8021732db075e0a1f206d55477dc037f81 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:49:57,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:57,306 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:57,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:57,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:57,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:57,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:57,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:57,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:57,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:57,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:57,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:57,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:57,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:57,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:57,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:57,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:57,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:57,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:57,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:57,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:57,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:57,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:57,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:57,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:57,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:57,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:57,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:57,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:57,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:57,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:57,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:57,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:57,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:57,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:57,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:57,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:57,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:57,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:57,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:57,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:57,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:49:57,476 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:57,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:57,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:57,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:57,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:57,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:57,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:57,480 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:57,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:49:57,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:57,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:57,481 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:57,481 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:57,481 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:57,481 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:57,482 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:57,482 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:57,482 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:57,482 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:57,483 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:57,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:57,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:57,483 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:57,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:57,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:57,484 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:49:57,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:49:57,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:57,485 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_5000db8d-90df-47f4-b0f8-3c05784a6497/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8435b51fcccee12d993f927a9d731b8021732db075e0a1f206d55477dc037f81 [2021-11-23 15:49:57,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:57,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:57,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:57,774 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:57,775 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:57,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem08_label12.c [2021-11-23 15:49:57,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/data/ab750da81/f34fc270b1ed4bea8041ad13782f6241/FLAGd67c55046 [2021-11-23 15:50:01,865 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:01,865 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/sv-benchmarks/c/eca-rers2012/Problem08_label12.c [2021-11-23 15:50:02,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/data/ab750da81/f34fc270b1ed4bea8041ad13782f6241/FLAGd67c55046 [2021-11-23 15:50:02,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/data/ab750da81/f34fc270b1ed4bea8041ad13782f6241 [2021-11-23 15:50:02,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:02,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:02,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:02,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:02,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:02,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:02" (1/1) ... [2021-11-23 15:50:02,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d506b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:02, skipping insertion in model container [2021-11-23 15:50:02,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:02" (1/1) ... [2021-11-23 15:50:02,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:04,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:30,447 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_5000db8d-90df-47f4-b0f8-3c05784a6497/sv-benchmarks/c/eca-rers2012/Problem08_label12.c[5713213,5713226] [2021-11-23 15:50:30,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:30,586 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:44,860 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_5000db8d-90df-47f4-b0f8-3c05784a6497/sv-benchmarks/c/eca-rers2012/Problem08_label12.c[5713213,5713226] [2021-11-23 15:50:44,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:50,573 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:50,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:50 WrapperNode [2021-11-23 15:50:50,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:50,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:50,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:50,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:50,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:50" (1/1) ... [2021-11-23 15:50:52,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:50" (1/1) ... [2021-11-23 15:50:56,686 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2021-11-23 15:50:56,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:56,687 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:56,687 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:56,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:56,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:50" (1/1) ... [2021-11-23 15:50:56,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:50" (1/1) ... [2021-11-23 15:50:58,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:50" (1/1) ... [2021-11-23 15:50:58,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:50" (1/1) ... [2021-11-23 15:51:00,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:50" (1/1) ... [2021-11-23 15:51:01,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:50" (1/1) ... [2021-11-23 15:51:01,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:50" (1/1) ... [2021-11-23 15:51:02,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:02,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:02,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:02,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:02,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:50" (1/1) ... [2021-11-23 15:51:02,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:02,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:02,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:02,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:02,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:02,918 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:02,920 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:52:10,373 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:52:10,588 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:52:10,594 INFO L158 Benchmark]: Toolchain (without parser) took 128382.07ms. Allocated memory was 830.5MB in the beginning and 11.5GB in the end (delta: 10.6GB). Free memory was 492.1MB in the beginning and 7.9GB in the end (delta: -7.4GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 15:52:10,596 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:52:10,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 48362.87ms. Allocated memory was 830.5MB in the beginning and 6.2GB in the end (delta: 5.3GB). Free memory was 492.1MB in the beginning and 4.2GB in the end (delta: -3.7GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2021-11-23 15:52:10,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 6111.98ms. Allocated memory was 6.2GB in the beginning and 8.3GB in the end (delta: 2.1GB). Free memory was 4.2GB in the beginning and 5.6GB in the end (delta: -1.4GB). Peak memory consumption was 713.0MB. Max. memory is 16.1GB. [2021-11-23 15:52:10,600 INFO L158 Benchmark]: Boogie Preprocessor took 5812.66ms. Allocated memory is still 8.3GB. Free memory was 5.6GB in the beginning and 5.1GB in the end (delta: 480.2MB). Peak memory consumption was 535.8MB. Max. memory is 16.1GB. [2021-11-23 15:52:10,601 INFO L158 Benchmark]: RCFGBuilder took 68090.44ms. Allocated memory was 8.3GB in the beginning and 11.5GB in the end (delta: 3.2GB). Free memory was 5.1GB in the beginning and 7.9GB in the end (delta: -2.7GB). Peak memory consumption was 852.5MB. Max. memory is 16.1GB. [2021-11-23 15:52:10,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 79.7MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 48362.87ms. Allocated memory was 830.5MB in the beginning and 6.2GB in the end (delta: 5.3GB). Free memory was 492.1MB in the beginning and 4.2GB in the end (delta: -3.7GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6111.98ms. Allocated memory was 6.2GB in the beginning and 8.3GB in the end (delta: 2.1GB). Free memory was 4.2GB in the beginning and 5.6GB in the end (delta: -1.4GB). Peak memory consumption was 713.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5812.66ms. Allocated memory is still 8.3GB. Free memory was 5.6GB in the beginning and 5.1GB in the end (delta: 480.2MB). Peak memory consumption was 535.8MB. Max. memory is 16.1GB. * RCFGBuilder took 68090.44ms. Allocated memory was 8.3GB in the beginning and 11.5GB in the end (delta: 3.2GB). Free memory was 5.1GB in the beginning and 7.9GB in the end (delta: -2.7GB). Peak memory consumption was 852.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:52:10,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/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_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/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_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/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_5000db8d-90df-47f4-b0f8-3c05784a6497/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 8435b51fcccee12d993f927a9d731b8021732db075e0a1f206d55477dc037f81 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:52:13,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:52:13,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:52:13,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:52:13,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:52:13,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:52:13,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:52:13,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:52:13,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:52:13,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:52:13,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:52:13,439 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:52:13,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:52:13,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:52:13,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:52:13,447 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:52:13,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:52:13,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:52:13,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:52:13,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:52:13,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:52:13,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:52:13,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:52:13,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:52:13,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:52:13,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:52:13,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:52:13,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:52:13,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:52:13,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:52:13,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:52:13,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:52:13,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:52:13,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:52:13,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:52:13,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:52:13,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:52:13,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:52:13,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:52:13,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:52:13,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:52:13,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:52:13,546 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:52:13,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:52:13,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:52:13,549 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:52:13,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:52:13,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:52:13,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:52:13,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:52:13,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:52:13,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:52:13,553 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:52:13,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:52:13,553 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:52:13,553 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:52:13,554 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:52:13,554 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:52:13,554 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:52:13,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:52:13,554 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:52:13,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:52:13,555 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:52:13,555 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:52:13,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:52:13,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:52:13,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:52:13,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:52:13,556 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:52:13,556 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:52:13,557 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:52:13,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:52:13,557 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:52:13,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:52:13,558 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_5000db8d-90df-47f4-b0f8-3c05784a6497/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8435b51fcccee12d993f927a9d731b8021732db075e0a1f206d55477dc037f81 [2021-11-23 15:52:13,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:52:13,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:52:13,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:52:13,947 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:52:13,948 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:52:13,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem08_label12.c [2021-11-23 15:52:14,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/data/1be2372e5/79ecee9c5ff74c42b94b20a696573d01/FLAG365627bf3 [2021-11-23 15:52:18,146 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:52:18,146 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/sv-benchmarks/c/eca-rers2012/Problem08_label12.c [2021-11-23 15:52:18,435 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/data/1be2372e5/79ecee9c5ff74c42b94b20a696573d01/FLAG365627bf3 [2021-11-23 15:52:18,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/data/1be2372e5/79ecee9c5ff74c42b94b20a696573d01 [2021-11-23 15:52:18,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:52:18,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:52:18,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:52:18,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:52:18,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:52:18,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:18" (1/1) ... [2021-11-23 15:52:18,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592d1a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:52:18, skipping insertion in model container [2021-11-23 15:52:18,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:52:18" (1/1) ... [2021-11-23 15:52:18,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:52:20,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:52:47,170 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_5000db8d-90df-47f4-b0f8-3c05784a6497/sv-benchmarks/c/eca-rers2012/Problem08_label12.c[5713213,5713226] [2021-11-23 15:52:47,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:52:47,303 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:00,868 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_5000db8d-90df-47f4-b0f8-3c05784a6497/sv-benchmarks/c/eca-rers2012/Problem08_label12.c[5713213,5713226] [2021-11-23 15:53:00,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:05,732 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:05,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:05 WrapperNode [2021-11-23 15:53:05,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:05,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:05,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:05,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:05,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:05" (1/1) ... [2021-11-23 15:53:06,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:05" (1/1) ... [2021-11-23 15:53:12,086 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184205 [2021-11-23 15:53:12,086 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:12,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:12,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:12,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:12,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:05" (1/1) ... [2021-11-23 15:53:12,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:05" (1/1) ... [2021-11-23 15:53:13,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:05" (1/1) ... [2021-11-23 15:53:13,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:05" (1/1) ... [2021-11-23 15:53:15,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:05" (1/1) ... [2021-11-23 15:53:16,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:05" (1/1) ... [2021-11-23 15:53:17,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:05" (1/1) ... [2021-11-23 15:53:17,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:17,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:17,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:17,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:17,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:05" (1/1) ... [2021-11-23 15:53:17,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:17,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:17,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:17,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:18,162 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:18,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:55,955 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:56,424 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 15:54:56,429 INFO L158 Benchmark]: Toolchain (without parser) took 157857.42ms. Allocated memory was 826.3MB in the beginning and 12.1GB in the end (delta: 11.2GB). Free memory was 520.0MB in the beginning and 8.5GB in the end (delta: -8.0GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 15:54:56,430 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:56,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 47161.01ms. Allocated memory was 826.3MB in the beginning and 6.1GB in the end (delta: 5.3GB). Free memory was 520.0MB in the beginning and 4.2GB in the end (delta: -3.6GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2021-11-23 15:54:56,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 6352.68ms. Allocated memory was 6.1GB in the beginning and 9.0GB in the end (delta: 2.9GB). Free memory was 4.2GB in the beginning and 6.4GB in the end (delta: -2.2GB). Peak memory consumption was 949.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:56,433 INFO L158 Benchmark]: Boogie Preprocessor took 5737.02ms. Allocated memory is still 9.0GB. Free memory was 6.4GB in the beginning and 5.9GB in the end (delta: 447.7MB). Peak memory consumption was 757.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:56,434 INFO L158 Benchmark]: RCFGBuilder took 98600.35ms. Allocated memory was 9.0GB in the beginning and 12.1GB in the end (delta: 3.1GB). Free memory was 5.9GB in the beginning and 8.5GB in the end (delta: -2.6GB). Peak memory consumption was 992.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:56,438 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 56.6MB. Free memory was 37.3MB in the beginning and 37.3MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 47161.01ms. Allocated memory was 826.3MB in the beginning and 6.1GB in the end (delta: 5.3GB). Free memory was 520.0MB in the beginning and 4.2GB in the end (delta: -3.6GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6352.68ms. Allocated memory was 6.1GB in the beginning and 9.0GB in the end (delta: 2.9GB). Free memory was 4.2GB in the beginning and 6.4GB in the end (delta: -2.2GB). Peak memory consumption was 949.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5737.02ms. Allocated memory is still 9.0GB. Free memory was 6.4GB in the beginning and 5.9GB in the end (delta: 447.7MB). Peak memory consumption was 757.1MB. Max. memory is 16.1GB. * RCFGBuilder took 98600.35ms. Allocated memory was 9.0GB in the beginning and 12.1GB in the end (delta: 3.1GB). Free memory was 5.9GB in the beginning and 8.5GB in the end (delta: -2.6GB). Peak memory consumption was 992.0MB. 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 15:54:56,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5000db8d-90df-47f4-b0f8-3c05784a6497/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