./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label08.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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/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 c626e4c9f6513844bf7d51bb173012ea230226871c7268fdff12ea42500a40a8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:42,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:42,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:42,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:42,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:42,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:42,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:42,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:42,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:42,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:42,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:42,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:42,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:42,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:42,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:42,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:42,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:42,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:42,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:42,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:42,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:42,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:42,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:42,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:42,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:42,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:42,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:42,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:42,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:42,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:42,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:42,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:42,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:42,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:42,314 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:42,314 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:42,315 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:42,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:42,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:42,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:42,318 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:42,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:42,346 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:42,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:42,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:42,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:42,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:42,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:42,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:42,349 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:42,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:42,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:42,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:42,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:42,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:42,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:42,351 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:42,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:42,351 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:42,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:42,352 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:42,352 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:42,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:42,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:42,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:42,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:42,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:42,353 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:42,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:42,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:42,354 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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c626e4c9f6513844bf7d51bb173012ea230226871c7268fdff12ea42500a40a8 [2021-11-23 15:01:42,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:42,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:42,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:42,643 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:42,644 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:42,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label08.c [2021-11-23 15:01:42,742 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/data/e2dfe80cf/a63b98dcec664f9a9d97f41ca09987fb/FLAGbf7968783 [2021-11-23 15:01:43,471 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:43,471 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/sv-benchmarks/c/eca-rers2012/Problem18_label08.c [2021-11-23 15:01:43,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/data/e2dfe80cf/a63b98dcec664f9a9d97f41ca09987fb/FLAGbf7968783 [2021-11-23 15:01:43,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/data/e2dfe80cf/a63b98dcec664f9a9d97f41ca09987fb [2021-11-23 15:01:43,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:43,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:43,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:43,596 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:43,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:43,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:43" (1/1) ... [2021-11-23 15:01:43,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aed443a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:43, skipping insertion in model container [2021-11-23 15:01:43,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:43" (1/1) ... [2021-11-23 15:01:43,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:43,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:43,982 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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/sv-benchmarks/c/eca-rers2012/Problem18_label08.c[2490,2503] [2021-11-23 15:01:45,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:45,037 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:45,071 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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/sv-benchmarks/c/eca-rers2012/Problem18_label08.c[2490,2503] [2021-11-23 15:01:45,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:45,627 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:45,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45 WrapperNode [2021-11-23 15:01:45,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:45,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:45,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:45,632 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:45,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,934 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4132 [2021-11-23 15:01:45,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:45,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:45,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:45,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:45,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:46,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:46,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:46,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:46,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:46,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:46,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:46,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:46,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:46,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:46,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:46,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:46,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:46,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:46,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:46,597 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:46,599 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:50,181 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:50,226 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 15:01:50,231 INFO L158 Benchmark]: Toolchain (without parser) took 6635.39ms. Allocated memory was 100.7MB in the beginning and 385.9MB in the end (delta: 285.2MB). Free memory was 74.0MB in the beginning and 269.3MB in the end (delta: -195.3MB). Peak memory consumption was 169.7MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,232 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:50,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2033.07ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 73.6MB in the beginning and 71.8MB in the end (delta: 1.8MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 304.58ms. Allocated memory is still 144.7MB. Free memory was 71.8MB in the beginning and 65.1MB in the end (delta: 6.6MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,234 INFO L158 Benchmark]: Boogie Preprocessor took 368.11ms. Allocated memory is still 144.7MB. Free memory was 65.1MB in the beginning and 64.9MB in the end (delta: 212.1kB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,235 INFO L158 Benchmark]: RCFGBuilder took 3924.55ms. Allocated memory was 144.7MB in the beginning and 385.9MB in the end (delta: 241.2MB). Free memory was 64.9MB in the beginning and 269.3MB in the end (delta: -204.3MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. [2021-11-23 15:01:50,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 83.9MB. Free memory is still 61.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2033.07ms. Allocated memory was 100.7MB in the beginning and 144.7MB in the end (delta: 44.0MB). Free memory was 73.6MB in the beginning and 71.8MB in the end (delta: 1.8MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 304.58ms. Allocated memory is still 144.7MB. Free memory was 71.8MB in the beginning and 65.1MB in the end (delta: 6.6MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 368.11ms. Allocated memory is still 144.7MB. Free memory was 65.1MB in the beginning and 64.9MB in the end (delta: 212.1kB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3924.55ms. Allocated memory was 144.7MB in the beginning and 385.9MB in the end (delta: 241.2MB). Free memory was 64.9MB in the beginning and 269.3MB in the end (delta: -204.3MB). Peak memory consumption was 115.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:01:50,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/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 c626e4c9f6513844bf7d51bb173012ea230226871c7268fdff12ea42500a40a8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:52,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:52,769 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:52,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:52,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:52,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:52,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:52,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:52,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:52,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:52,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:52,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:52,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:52,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:52,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:52,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:52,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:52,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:52,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:52,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:52,844 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:52,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:52,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:52,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:52,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:52,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:52,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:52,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:52,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:52,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:52,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:52,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:52,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:52,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:52,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:52,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:52,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:52,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:52,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:52,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:52,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:52,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:52,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:52,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:52,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:52,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:52,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:52,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:52,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:52,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:52,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:52,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:52,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:52,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:52,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:52,928 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:52,928 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:52,928 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:52,928 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:52,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:52,929 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:52,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:52,929 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:52,929 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:52,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:52,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:52,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:52,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:52,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:52,931 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:52,931 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:52,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:52,932 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:52,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:52,932 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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c626e4c9f6513844bf7d51bb173012ea230226871c7268fdff12ea42500a40a8 [2021-11-23 15:01:53,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:53,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:53,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:53,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:53,341 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:53,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label08.c [2021-11-23 15:01:53,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/data/da9a2d1cf/0fea549a19a2441abc72663144ec99a6/FLAG4078027f4 [2021-11-23 15:01:54,387 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:54,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/sv-benchmarks/c/eca-rers2012/Problem18_label08.c [2021-11-23 15:01:54,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/data/da9a2d1cf/0fea549a19a2441abc72663144ec99a6/FLAG4078027f4 [2021-11-23 15:01:54,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/data/da9a2d1cf/0fea549a19a2441abc72663144ec99a6 [2021-11-23 15:01:54,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:54,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:54,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:54,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:54,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:54,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:54" (1/1) ... [2021-11-23 15:01:54,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e1b61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:54, skipping insertion in model container [2021-11-23 15:01:54,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:54" (1/1) ... [2021-11-23 15:01:54,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:54,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:54,753 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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/sv-benchmarks/c/eca-rers2012/Problem18_label08.c[2490,2503] [2021-11-23 15:01:55,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:55,573 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:55,604 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_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/sv-benchmarks/c/eca-rers2012/Problem18_label08.c[2490,2503] [2021-11-23 15:01:56,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:56,072 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:56,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56 WrapperNode [2021-11-23 15:01:56,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:56,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:56,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:56,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:56,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,280 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4128 [2021-11-23 15:01:56,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:56,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:56,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:56,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:56,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:56,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:56,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:56,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:56,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:56" (1/1) ... [2021-11-23 15:01:56,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:56,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:56,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:56,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:01:56,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:56,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:56,849 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:56,851 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:10,923 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:11,009 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 15:02:11,016 INFO L158 Benchmark]: Toolchain (without parser) took 16578.12ms. Allocated memory was 54.5MB in the beginning and 234.9MB in the end (delta: 180.4MB). Free memory was 33.5MB in the beginning and 168.2MB in the end (delta: -134.7MB). Peak memory consumption was 146.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:11,018 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:11,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1634.73ms. Allocated memory was 54.5MB in the beginning and 88.1MB in the end (delta: 33.6MB). Free memory was 33.4MB in the beginning and 35.3MB in the end (delta: -1.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2021-11-23 15:02:11,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 206.69ms. Allocated memory is still 88.1MB. Free memory was 35.3MB in the beginning and 28.5MB in the end (delta: 6.8MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:11,022 INFO L158 Benchmark]: Boogie Preprocessor took 397.53ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 28.5MB in the beginning and 57.7MB in the end (delta: -29.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:02:11,024 INFO L158 Benchmark]: RCFGBuilder took 14333.17ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 57.7MB in the beginning and 168.2MB in the end (delta: -110.5MB). Peak memory consumption was 107.0MB. Max. memory is 16.1GB. [2021-11-23 15:02:11,031 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1634.73ms. Allocated memory was 54.5MB in the beginning and 88.1MB in the end (delta: 33.6MB). Free memory was 33.4MB in the beginning and 35.3MB in the end (delta: -1.9MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 206.69ms. Allocated memory is still 88.1MB. Free memory was 35.3MB in the beginning and 28.5MB in the end (delta: 6.8MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 397.53ms. Allocated memory was 88.1MB in the beginning and 117.4MB in the end (delta: 29.4MB). Free memory was 28.5MB in the beginning and 57.7MB in the end (delta: -29.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 14333.17ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 57.7MB in the beginning and 168.2MB in the end (delta: -110.5MB). Peak memory consumption was 107.0MB. 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 15:02:11,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c098934-cf6f-41fb-bdb9-30a98d0f5fbf/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