./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label23.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_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/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_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/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_84df9fcf-1170-45c8-bc62-a37cca80466b/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 fb8ddef04c461b3ad7d09547a0500b2642111cd0e6ae26e9fef0eb2eed2a03ff --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:53,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:53,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:53,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:53,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:53,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:53,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:53,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:53,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:53,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:53,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:53,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:53,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:53,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:53,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:53,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:53,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:53,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:53,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:53,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:53,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:53,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:53,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:53,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:53,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:53,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:53,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:53,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:53,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:53,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:53,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:53,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:53,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:53,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:53,421 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:53,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:53,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:53,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:53,423 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:53,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:53,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:53,427 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:53,453 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:53,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:53,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:53,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:53,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:53,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:53,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:53,462 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:53,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:53,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:53,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:53,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:53,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:53,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:53,463 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:53,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:53,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:53,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:53,464 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:53,464 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:53,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:53,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:53,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:53,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:53,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:53,465 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:53,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:53,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:53,466 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_84df9fcf-1170-45c8-bc62-a37cca80466b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8ddef04c461b3ad7d09547a0500b2642111cd0e6ae26e9fef0eb2eed2a03ff [2021-11-23 15:53:53,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:53,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:53,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:53,754 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:53,755 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:53,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem07_label23.c [2021-11-23 15:53:53,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/data/988ab60ed/bc79b53ca8584180a68acdcf26bfc373/FLAGd2da94d4e [2021-11-23 15:53:56,256 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:56,257 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/sv-benchmarks/c/eca-rers2012/Problem07_label23.c [2021-11-23 15:53:56,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/data/988ab60ed/bc79b53ca8584180a68acdcf26bfc373/FLAGd2da94d4e [2021-11-23 15:53:56,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/data/988ab60ed/bc79b53ca8584180a68acdcf26bfc373 [2021-11-23 15:53:56,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:56,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:56,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:56,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:56,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:56,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:56" (1/1) ... [2021-11-23 15:53:56,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23725f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:56, skipping insertion in model container [2021-11-23 15:53:56,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:56" (1/1) ... [2021-11-23 15:53:56,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:57,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:09,377 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_84df9fcf-1170-45c8-bc62-a37cca80466b/sv-benchmarks/c/eca-rers2012/Problem07_label23.c[2770180,2770193] [2021-11-23 15:54:09,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:09,458 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:16,640 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_84df9fcf-1170-45c8-bc62-a37cca80466b/sv-benchmarks/c/eca-rers2012/Problem07_label23.c[2770180,2770193] [2021-11-23 15:54:16,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:17,569 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:17,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17 WrapperNode [2021-11-23 15:54:17,570 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:17,571 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:17,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:17,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:17,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:18,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:21,999 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83773 [2021-11-23 15:54:21,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:22,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:22,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:22,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:22,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:22,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:22,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:22,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:24,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:24,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:24,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:25,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:25,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:25,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:25,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:25,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:17" (1/1) ... [2021-11-23 15:54:25,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:25,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:25,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:25,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:25,436 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:25,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:03,076 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:03,199 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:03,204 INFO L158 Benchmark]: Toolchain (without parser) took 66550.13ms. Allocated memory was 511.7MB in the beginning and 8.3GB in the end (delta: 7.8GB). Free memory was 370.5MB in the beginning and 6.6GB in the end (delta: -6.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2021-11-23 15:55:03,205 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:03,206 INFO L158 Benchmark]: CACSL2BoogieTranslator took 20913.18ms. Allocated memory was 511.7MB in the beginning and 3.2GB in the end (delta: 2.7GB). Free memory was 369.4MB in the beginning and 2.4GB in the end (delta: -2.1GB). Peak memory consumption was 648.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 4428.80ms. Allocated memory was 3.2GB in the beginning and 5.8GB in the end (delta: 2.6GB). Free memory was 2.4GB in the beginning and 4.8GB in the end (delta: -2.4GB). Peak memory consumption was 353.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,208 INFO L158 Benchmark]: Boogie Preprocessor took 3116.40ms. Allocated memory is still 5.8GB. Free memory was 4.8GB in the beginning and 4.6GB in the end (delta: 274.7MB). Peak memory consumption was 350.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,209 INFO L158 Benchmark]: RCFGBuilder took 38084.21ms. Allocated memory was 5.8GB in the beginning and 8.3GB in the end (delta: 2.5GB). Free memory was 4.6GB in the beginning and 6.6GB in the end (delta: -2.0GB). Peak memory consumption was 529.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 20913.18ms. Allocated memory was 511.7MB in the beginning and 3.2GB in the end (delta: 2.7GB). Free memory was 369.4MB in the beginning and 2.4GB in the end (delta: -2.1GB). Peak memory consumption was 648.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 4428.80ms. Allocated memory was 3.2GB in the beginning and 5.8GB in the end (delta: 2.6GB). Free memory was 2.4GB in the beginning and 4.8GB in the end (delta: -2.4GB). Peak memory consumption was 353.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3116.40ms. Allocated memory is still 5.8GB. Free memory was 4.8GB in the beginning and 4.6GB in the end (delta: 274.7MB). Peak memory consumption was 350.2MB. Max. memory is 16.1GB. * RCFGBuilder took 38084.21ms. Allocated memory was 5.8GB in the beginning and 8.3GB in the end (delta: 2.5GB). Free memory was 4.6GB in the beginning and 6.6GB in the end (delta: -2.0GB). Peak memory consumption was 529.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:03,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/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_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/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_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/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_84df9fcf-1170-45c8-bc62-a37cca80466b/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 fb8ddef04c461b3ad7d09547a0500b2642111cd0e6ae26e9fef0eb2eed2a03ff --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:05,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:05,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:05,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:05,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:05,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:05,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:05,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:05,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:05,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:05,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:05,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:05,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:05,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:05,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:05,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:05,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:05,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:05,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:05,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:05,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:05,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:05,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:05,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:05,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:05,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:05,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:05,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:05,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:05,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:05,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:05,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:05,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:05,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:05,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:05,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:05,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:05,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:05,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:05,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:05,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:05,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:05,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:05,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:05,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:05,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:05,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:05,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:05,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:05,859 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:05,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:05,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:05,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:05,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:05,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:05,860 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:05,861 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:05,861 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:05,861 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:05,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:05,862 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:05,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:05,862 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:05,862 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:05,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:05,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:05,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:05,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:05,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:05,864 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:05,864 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:05,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:05,864 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:05,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:05,865 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_84df9fcf-1170-45c8-bc62-a37cca80466b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8ddef04c461b3ad7d09547a0500b2642111cd0e6ae26e9fef0eb2eed2a03ff [2021-11-23 15:55:06,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:06,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:06,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:06,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:06,275 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:06,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem07_label23.c [2021-11-23 15:55:06,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/data/621e3955f/cc5b5b14b0704025857eab67e93cd269/FLAG46cf111b8 [2021-11-23 15:55:09,523 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:09,524 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/sv-benchmarks/c/eca-rers2012/Problem07_label23.c [2021-11-23 15:55:09,809 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/data/621e3955f/cc5b5b14b0704025857eab67e93cd269/FLAG46cf111b8 [2021-11-23 15:55:10,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/data/621e3955f/cc5b5b14b0704025857eab67e93cd269 [2021-11-23 15:55:10,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:10,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:10,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:10,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:10,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:10,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:10,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46047d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:10, skipping insertion in model container [2021-11-23 15:55:10,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:10" (1/1) ... [2021-11-23 15:55:10,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:11,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:23,006 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_84df9fcf-1170-45c8-bc62-a37cca80466b/sv-benchmarks/c/eca-rers2012/Problem07_label23.c[2770180,2770193] [2021-11-23 15:55:23,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:23,080 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:30,341 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_84df9fcf-1170-45c8-bc62-a37cca80466b/sv-benchmarks/c/eca-rers2012/Problem07_label23.c[2770180,2770193] [2021-11-23 15:55:30,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:31,073 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:31,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31 WrapperNode [2021-11-23 15:55:31,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:31,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:31,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:31,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:31,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:31,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:34,737 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83726 [2021-11-23 15:55:34,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:34,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:34,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:34,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:34,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:34,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:35,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:35,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:36,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:37,161 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:37,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:38,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:38,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:38,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:38,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:38,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:31" (1/1) ... [2021-11-23 15:55:38,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:38,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:38,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:38,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:38,305 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:38,307 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:28,730 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:28,857 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 15:56:28,861 INFO L158 Benchmark]: Toolchain (without parser) took 78635.80ms. Allocated memory was 526.4MB in the beginning and 8.1GB in the end (delta: 7.6GB). Free memory was 390.4MB in the beginning and 6.5GB in the end (delta: -6.1GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-11-23 15:56:28,862 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 52.4MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:28,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 20848.72ms. Allocated memory was 526.4MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 390.4MB in the beginning and 1.3GB in the end (delta: -953.2MB). Peak memory consumption was 723.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:28,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 3662.31ms. Allocated memory was 2.1GB in the beginning and 3.9GB in the end (delta: 1.8GB). Free memory was 1.3GB in the beginning and 3.0GB in the end (delta: -1.6GB). Peak memory consumption was 392.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:28,865 INFO L158 Benchmark]: Boogie Preprocessor took 3348.53ms. Allocated memory was 3.9GB in the beginning and 6.5GB in the end (delta: 2.6GB). Free memory was 3.0GB in the beginning and 5.3GB in the end (delta: -2.4GB). Peak memory consumption was 333.4MB. Max. memory is 16.1GB. [2021-11-23 15:56:28,866 INFO L158 Benchmark]: RCFGBuilder took 50771.85ms. Allocated memory was 6.5GB in the beginning and 8.1GB in the end (delta: 1.6GB). Free memory was 5.3GB in the beginning and 6.5GB in the end (delta: -1.2GB). Peak memory consumption was 627.0MB. Max. memory is 16.1GB. [2021-11-23 15:56:28,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 52.4MB. Free memory was 32.5MB in the beginning and 32.5MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 20848.72ms. Allocated memory was 526.4MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 390.4MB in the beginning and 1.3GB in the end (delta: -953.2MB). Peak memory consumption was 723.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3662.31ms. Allocated memory was 2.1GB in the beginning and 3.9GB in the end (delta: 1.8GB). Free memory was 1.3GB in the beginning and 3.0GB in the end (delta: -1.6GB). Peak memory consumption was 392.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3348.53ms. Allocated memory was 3.9GB in the beginning and 6.5GB in the end (delta: 2.6GB). Free memory was 3.0GB in the beginning and 5.3GB in the end (delta: -2.4GB). Peak memory consumption was 333.4MB. Max. memory is 16.1GB. * RCFGBuilder took 50771.85ms. Allocated memory was 6.5GB in the beginning and 8.1GB in the end (delta: 1.6GB). Free memory was 5.3GB in the beginning and 6.5GB in the end (delta: -1.2GB). Peak memory consumption was 627.0MB. 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 15:56:28,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84df9fcf-1170-45c8-bc62-a37cca80466b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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