./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label07.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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/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 a8cf6243f0ab4090e55b0c0c5f0ae4cf837fa81bc993d776b406c2b0dbd3865c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:35,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:35,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:35,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:35,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:35,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:35,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:35,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:35,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:35,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:35,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:35,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:35,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:35,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:35,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:35,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:35,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:35,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:35,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:35,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:35,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:35,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:35,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:35,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:35,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:35,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:35,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:35,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:35,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:35,355 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:35,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:35,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:35,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:35,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:35,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:35,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:35,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:35,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:35,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:35,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:35,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:35,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:40:35,415 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:35,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:35,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:35,421 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:35,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:35,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:35,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:35,422 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:35,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:40:35,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:35,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:35,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:35,424 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:35,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:35,425 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:35,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:35,425 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:35,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:35,426 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:35,426 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:35,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:35,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:35,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:35,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:35,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:35,428 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:40:35,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:40:35,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:35,428 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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8cf6243f0ab4090e55b0c0c5f0ae4cf837fa81bc993d776b406c2b0dbd3865c [2021-11-23 15:40:35,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:35,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:35,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:35,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:35,704 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:35,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem16_label07.c [2021-11-23 15:40:35,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/data/ab6d7d8b0/fb0dff840c2c491ea0d011337e85ef53/FLAG771ff31de [2021-11-23 15:40:36,483 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:36,484 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/sv-benchmarks/c/eca-rers2012/Problem16_label07.c [2021-11-23 15:40:36,522 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/data/ab6d7d8b0/fb0dff840c2c491ea0d011337e85ef53/FLAG771ff31de [2021-11-23 15:40:36,635 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/data/ab6d7d8b0/fb0dff840c2c491ea0d011337e85ef53 [2021-11-23 15:40:36,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:36,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:36,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:36,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:36,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:36,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278ab0e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:36, skipping insertion in model container [2021-11-23 15:40:36,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:36" (1/1) ... [2021-11-23 15:40:36,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:36,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:37,088 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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/sv-benchmarks/c/eca-rers2012/Problem16_label07.c[5709,5722] [2021-11-23 15:40:37,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:37,606 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:37,648 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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/sv-benchmarks/c/eca-rers2012/Problem16_label07.c[5709,5722] [2021-11-23 15:40:37,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:37,861 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:37,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:37 WrapperNode [2021-11-23 15:40:37,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:37,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:37,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:37,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:37,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:37" (1/1) ... [2021-11-23 15:40:37,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:37" (1/1) ... [2021-11-23 15:40:38,077 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-11-23 15:40:38,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:38,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:38,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:38,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:38,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:37" (1/1) ... [2021-11-23 15:40:38,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:37" (1/1) ... [2021-11-23 15:40:38,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:37" (1/1) ... [2021-11-23 15:40:38,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:37" (1/1) ... [2021-11-23 15:40:38,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:37" (1/1) ... [2021-11-23 15:40:38,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:37" (1/1) ... [2021-11-23 15:40:38,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:37" (1/1) ... [2021-11-23 15:40:38,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:38,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:38,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:38,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:38,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:37" (1/1) ... [2021-11-23 15:40:38,233 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:38,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:38,262 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:38,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:40:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:38,387 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:38,389 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:40,618 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:40,667 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 15:40:40,673 INFO L158 Benchmark]: Toolchain (without parser) took 4032.05ms. Allocated memory was 104.9MB in the beginning and 207.6MB in the end (delta: 102.8MB). Free memory was 65.6MB in the beginning and 144.5MB in the end (delta: -78.9MB). Peak memory consumption was 83.7MB. Max. memory is 16.1GB. [2021-11-23 15:40:40,675 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 57.9MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:40,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1205.78ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 65.3MB in the beginning and 102.5MB in the end (delta: -37.2MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2021-11-23 15:40:40,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 214.18ms. Allocated memory is still 136.3MB. Free memory was 102.5MB in the beginning and 78.7MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:40:40,679 INFO L158 Benchmark]: Boogie Preprocessor took 144.82ms. Allocated memory is still 136.3MB. Free memory was 78.7MB in the beginning and 65.8MB in the end (delta: 12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:40:40,680 INFO L158 Benchmark]: RCFGBuilder took 2446.31ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 65.8MB in the beginning and 144.5MB in the end (delta: -78.7MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:40,689 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 57.9MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1205.78ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 65.3MB in the beginning and 102.5MB in the end (delta: -37.2MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 214.18ms. Allocated memory is still 136.3MB. Free memory was 102.5MB in the beginning and 78.7MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.82ms. Allocated memory is still 136.3MB. Free memory was 78.7MB in the beginning and 65.8MB in the end (delta: 12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2446.31ms. Allocated memory was 136.3MB in the beginning and 207.6MB in the end (delta: 71.3MB). Free memory was 65.8MB in the beginning and 144.5MB in the end (delta: -78.7MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:40:40,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/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 a8cf6243f0ab4090e55b0c0c5f0ae4cf837fa81bc993d776b406c2b0dbd3865c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:43,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:43,135 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:43,186 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:43,187 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:43,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:43,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:43,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:43,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:43,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:43,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:43,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:43,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:43,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:43,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:43,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:43,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:43,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:43,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:43,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:43,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:43,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:43,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:43,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:43,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:43,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:43,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:43,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:43,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:43,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:43,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:43,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:43,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:43,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:43,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:43,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:43,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:43,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:43,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:43,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:43,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:43,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:40:43,319 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:43,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:43,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:43,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:43,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:43,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:43,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:43,324 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:43,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:43,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:43,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:43,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:43,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:43,326 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:40:43,326 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:40:43,326 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:40:43,326 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:43,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:43,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:43,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:43,327 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:43,328 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:43,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:43,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:43,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:43,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:43,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:43,329 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:40:43,329 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:40:43,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:43,330 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:40:43,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:40:43,330 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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8cf6243f0ab4090e55b0c0c5f0ae4cf837fa81bc993d776b406c2b0dbd3865c [2021-11-23 15:40:43,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:43,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:43,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:43,755 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:43,756 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:43,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem16_label07.c [2021-11-23 15:40:43,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/data/45a119ccb/715db00ad77d46c6b0de836f3cc9f8d4/FLAGf4a716b7a [2021-11-23 15:40:44,610 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:44,611 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/sv-benchmarks/c/eca-rers2012/Problem16_label07.c [2021-11-23 15:40:44,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/data/45a119ccb/715db00ad77d46c6b0de836f3cc9f8d4/FLAGf4a716b7a [2021-11-23 15:40:44,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/data/45a119ccb/715db00ad77d46c6b0de836f3cc9f8d4 [2021-11-23 15:40:44,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:44,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:44,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:44,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:44,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:44,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:44" (1/1) ... [2021-11-23 15:40:44,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e07d413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:44, skipping insertion in model container [2021-11-23 15:40:44,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:44" (1/1) ... [2021-11-23 15:40:44,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:44,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:45,221 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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/sv-benchmarks/c/eca-rers2012/Problem16_label07.c[5709,5722] [2021-11-23 15:40:45,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:45,812 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:45,836 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_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/sv-benchmarks/c/eca-rers2012/Problem16_label07.c[5709,5722] [2021-11-23 15:40:46,072 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:46,089 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:46,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:46 WrapperNode [2021-11-23 15:40:46,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:46,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:46,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:46,092 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:46,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:46" (1/1) ... [2021-11-23 15:40:46,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:46" (1/1) ... [2021-11-23 15:40:46,211 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1765 [2021-11-23 15:40:46,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:46,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:46,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:46,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:46,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:46" (1/1) ... [2021-11-23 15:40:46,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:46" (1/1) ... [2021-11-23 15:40:46,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:46" (1/1) ... [2021-11-23 15:40:46,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:46" (1/1) ... [2021-11-23 15:40:46,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:46" (1/1) ... [2021-11-23 15:40:46,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:46" (1/1) ... [2021-11-23 15:40:46,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:46" (1/1) ... [2021-11-23 15:40:46,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:46,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:46,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:46,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:46,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:46" (1/1) ... [2021-11-23 15:40:46,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:46,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:46,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:46,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:46,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:40:46,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:46,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:46,528 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:46,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:55,144 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:55,182 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 15:40:55,186 INFO L158 Benchmark]: Toolchain (without parser) took 10399.13ms. Allocated memory was 62.9MB in the beginning and 125.8MB in the end (delta: 62.9MB). Free memory was 38.1MB in the beginning and 63.5MB in the end (delta: -25.4MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2021-11-23 15:40:55,187 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:55,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1303.19ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 37.9MB in the beginning and 60.7MB in the end (delta: -22.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:55,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.16ms. Allocated memory is still 92.3MB. Free memory was 60.7MB in the beginning and 48.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:40:55,189 INFO L158 Benchmark]: Boogie Preprocessor took 129.76ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 39.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:55,190 INFO L158 Benchmark]: RCFGBuilder took 8841.67ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 39.0MB in the beginning and 63.5MB in the end (delta: -24.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:55,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1303.19ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 37.9MB in the beginning and 60.7MB in the end (delta: -22.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.16ms. Allocated memory is still 92.3MB. Free memory was 60.7MB in the beginning and 48.6MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 129.76ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 39.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 8841.67ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 39.0MB in the beginning and 63.5MB in the end (delta: -24.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:40:55,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bcd36c8-4e46-4a67-b01c-d9e4969ece55/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