./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-045.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_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/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_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-045.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/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_673a78f5-bb2d-4020-b2e4-21760aadd167/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 7b38997dcf34f735806aa8a88e1a7901aa7561a04fd7801926d110d62cf577fa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:45,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:45,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:45,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:45,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:45,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:45,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:45,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:45,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:45,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:45,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:45,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:45,457 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:45,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:45,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:45,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:45,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:45,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:45,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:45,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:45,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:45,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:45,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:45,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:45,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:45,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:45,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:45,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:45,508 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:45,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:45,511 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:45,512 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:45,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:45,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:45,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:45,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:45,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:45,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:45,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:45,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:45,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:45,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:45,568 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:45,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:45,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:45,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:45,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:45,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:45,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:45,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:45,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:45,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:45,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:45,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:45,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:45,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:45,582 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:45,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:45,582 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:45,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:45,582 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:45,583 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:45,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:45,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:45,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:45,584 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:45,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:45,584 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:45,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:45,585 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:45,585 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_673a78f5-bb2d-4020-b2e4-21760aadd167/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b38997dcf34f735806aa8a88e1a7901aa7561a04fd7801926d110d62cf577fa [2021-11-23 15:33:45,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:45,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:45,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:45,897 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:45,898 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:45,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-045.c [2021-11-23 15:33:45,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/data/f69e88dba/fef87e74d1a64649a15ffd4e3346971a/FLAG0dedd0135 [2021-11-23 15:33:46,576 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:46,578 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/sv-benchmarks/c/xcsp/Dubois-045.c [2021-11-23 15:33:46,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/data/f69e88dba/fef87e74d1a64649a15ffd4e3346971a/FLAG0dedd0135 [2021-11-23 15:33:46,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/data/f69e88dba/fef87e74d1a64649a15ffd4e3346971a [2021-11-23 15:33:46,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:46,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:46,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:46,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:46,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:46,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bce0fb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46, skipping insertion in model container [2021-11-23 15:33:46,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:46,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:47,486 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_673a78f5-bb2d-4020-b2e4-21760aadd167/sv-benchmarks/c/xcsp/Dubois-045.c[31920,31933] [2021-11-23 15:33:47,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:47,520 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:47,684 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_673a78f5-bb2d-4020-b2e4-21760aadd167/sv-benchmarks/c/xcsp/Dubois-045.c[31920,31933] [2021-11-23 15:33:47,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:47,704 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:47,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:47 WrapperNode [2021-11-23 15:33:47,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:47,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:47,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:47,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:47,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:47" (1/1) ... [2021-11-23 15:33:47,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:47" (1/1) ... [2021-11-23 15:33:47,868 INFO L137 Inliner]: procedures = 13, calls = 367, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 917 [2021-11-23 15:33:47,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:47,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:47,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:47,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:47,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:47" (1/1) ... [2021-11-23 15:33:47,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:47" (1/1) ... [2021-11-23 15:33:47,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:47" (1/1) ... [2021-11-23 15:33:47,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:47" (1/1) ... [2021-11-23 15:33:47,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:47" (1/1) ... [2021-11-23 15:33:47,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:47" (1/1) ... [2021-11-23 15:33:47,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:47" (1/1) ... [2021-11-23 15:33:47,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:47,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:47,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:47,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:47,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:47" (1/1) ... [2021-11-23 15:33:47,957 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:47,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:47,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:48,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:48,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:48,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:48,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:33:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:33:48,200 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:48,202 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:49,029 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:49,063 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 15:33:49,068 INFO L158 Benchmark]: Toolchain (without parser) took 2210.82ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 47.6MB in the beginning and 34.4MB in the end (delta: 13.2MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2021-11-23 15:33:49,069 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 66.1MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:49,070 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.07ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 47.4MB in the beginning and 42.9MB in the end (delta: 4.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-11-23 15:33:49,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 162.71ms. Allocated memory is still 111.1MB. Free memory was 42.9MB in the beginning and 80.5MB in the end (delta: -37.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:49,072 INFO L158 Benchmark]: Boogie Preprocessor took 78.04ms. Allocated memory is still 111.1MB. Free memory was 80.5MB in the beginning and 74.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:49,073 INFO L158 Benchmark]: RCFGBuilder took 1118.36ms. Allocated memory is still 111.1MB. Free memory was 74.7MB in the beginning and 34.4MB in the end (delta: 40.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 15:33:49,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 66.1MB in the end (delta: 44.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 831.07ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 47.4MB in the beginning and 42.9MB in the end (delta: 4.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 162.71ms. Allocated memory is still 111.1MB. Free memory was 42.9MB in the beginning and 80.5MB in the end (delta: -37.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.04ms. Allocated memory is still 111.1MB. Free memory was 80.5MB in the beginning and 74.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1118.36ms. Allocated memory is still 111.1MB. Free memory was 74.7MB in the beginning and 34.4MB in the end (delta: 40.3MB). Peak memory consumption was 39.8MB. 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 15:33:49,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/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_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/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_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-045.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/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_673a78f5-bb2d-4020-b2e4-21760aadd167/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 7b38997dcf34f735806aa8a88e1a7901aa7561a04fd7801926d110d62cf577fa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:51,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:51,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:51,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:51,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:51,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:51,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:51,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:51,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:51,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:51,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:51,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:51,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:51,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:51,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:51,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:51,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:51,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:51,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:51,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:51,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:51,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:51,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:51,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:51,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:51,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:51,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:51,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:51,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:51,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:51,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:51,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:51,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:51,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:51,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:51,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:51,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:51,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:51,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:51,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:51,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:51,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:51,917 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:51,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:51,919 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:51,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:51,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:51,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:51,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:51,923 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:51,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:51,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:51,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:51,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:51,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:51,925 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:51,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:51,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:51,926 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:51,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:51,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:51,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:51,927 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:51,927 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:51,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:51,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:51,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:51,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:51,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:51,929 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:51,929 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:51,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:51,930 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:51,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:51,930 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_673a78f5-bb2d-4020-b2e4-21760aadd167/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b38997dcf34f735806aa8a88e1a7901aa7561a04fd7801926d110d62cf577fa [2021-11-23 15:33:52,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:52,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:52,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:52,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:52,349 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:52,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-045.c [2021-11-23 15:33:52,418 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/data/72909815a/d116e8fb832149e49554dd85d9c77cc5/FLAGc3dfcc600 [2021-11-23 15:33:53,054 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:53,055 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/sv-benchmarks/c/xcsp/Dubois-045.c [2021-11-23 15:33:53,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/data/72909815a/d116e8fb832149e49554dd85d9c77cc5/FLAGc3dfcc600 [2021-11-23 15:33:53,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/data/72909815a/d116e8fb832149e49554dd85d9c77cc5 [2021-11-23 15:33:53,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:53,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:53,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:53,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:53,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:53,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:53" (1/1) ... [2021-11-23 15:33:53,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9d41f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:53, skipping insertion in model container [2021-11-23 15:33:53,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:53" (1/1) ... [2021-11-23 15:33:53,330 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:53,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:53,997 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_673a78f5-bb2d-4020-b2e4-21760aadd167/sv-benchmarks/c/xcsp/Dubois-045.c[31920,31933] [2021-11-23 15:33:54,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:54,027 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:54,128 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_673a78f5-bb2d-4020-b2e4-21760aadd167/sv-benchmarks/c/xcsp/Dubois-045.c[31920,31933] [2021-11-23 15:33:54,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:54,145 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:54,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54 WrapperNode [2021-11-23 15:33:54,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:54,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:54,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:54,147 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:54,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,181 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,265 INFO L137 Inliner]: procedures = 13, calls = 367, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 782 [2021-11-23 15:33:54,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:54,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:54,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:54,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:54,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:54,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:54,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:54,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:54,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:54" (1/1) ... [2021-11-23 15:33:54,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:54,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:54,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:54,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:54,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:54,442 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:33:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:33:54,628 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:54,630 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:55,659 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:55,704 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 15:33:55,711 INFO L158 Benchmark]: Toolchain (without parser) took 2398.55ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 42.9MB in the beginning and 46.9MB in the end (delta: -4.0MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:55,713 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.7MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:55,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 833.54ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 36.1MB in the end (delta: 6.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:55,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.56ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 36.1MB in the beginning and 66.2MB in the end (delta: -30.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:55,716 INFO L158 Benchmark]: Boogie Preprocessor took 86.18ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 59.9MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:55,717 INFO L158 Benchmark]: RCFGBuilder took 1355.15ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 46.9MB in the end (delta: 13.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:55,726 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 32.7MB in the beginning and 32.7MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 833.54ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 36.1MB in the end (delta: 6.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.56ms. Allocated memory was 67.1MB in the beginning and 92.3MB in the end (delta: 25.2MB). Free memory was 36.1MB in the beginning and 66.2MB in the end (delta: -30.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.18ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 59.9MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1355.15ms. Allocated memory is still 92.3MB. Free memory was 59.9MB in the beginning and 46.9MB in the end (delta: 13.0MB). Peak memory consumption was 24.5MB. 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 15:33:55,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673a78f5-bb2d-4020-b2e4-21760aadd167/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