./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-035.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_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/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_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-035.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/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_892e191a-dfab-41bb-837c-9fbdce15b4ef/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 07a21c82e6fc1c57d4d3d3875ad71cda705bf32daab84bd8ad81db243ce6cd9c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:26,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:26,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:26,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:26,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:26,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:26,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:27,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:27,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:27,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:27,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:27,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:27,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:27,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:27,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:27,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:27,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:27,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:27,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:27,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:27,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:27,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:27,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:27,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:27,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:27,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:27,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:27,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:27,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:27,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:27,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:27,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:27,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:27,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:27,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:27,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:27,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:27,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:27,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:27,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:27,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:27,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:27,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:27,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:27,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:27,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:27,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:27,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:27,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:27,089 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:27,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:27,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:27,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:27,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:27,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:27,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:27,103 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:27,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:27,103 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:27,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:27,104 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:27,104 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:27,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:27,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:27,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:27,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:27,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:27,106 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:27,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:27,107 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:27,107 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_892e191a-dfab-41bb-837c-9fbdce15b4ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07a21c82e6fc1c57d4d3d3875ad71cda705bf32daab84bd8ad81db243ce6cd9c [2021-11-23 15:55:27,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:27,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:27,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:27,461 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:27,462 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:27,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-035.c [2021-11-23 15:55:27,544 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/data/17426184c/7f3220d69c0648658567dee8c66ecede/FLAG4d9877200 [2021-11-23 15:55:28,215 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:28,226 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/sv-benchmarks/c/xcsp/Dubois-035.c [2021-11-23 15:55:28,249 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/data/17426184c/7f3220d69c0648658567dee8c66ecede/FLAG4d9877200 [2021-11-23 15:55:28,405 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/data/17426184c/7f3220d69c0648658567dee8c66ecede [2021-11-23 15:55:28,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:28,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:28,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:28,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:28,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:28,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:28" (1/1) ... [2021-11-23 15:55:28,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e999ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:28, skipping insertion in model container [2021-11-23 15:55:28,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:28" (1/1) ... [2021-11-23 15:55:28,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:28,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:28,994 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_892e191a-dfab-41bb-837c-9fbdce15b4ef/sv-benchmarks/c/xcsp/Dubois-035.c[24720,24733] [2021-11-23 15:55:29,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:29,023 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:29,193 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_892e191a-dfab-41bb-837c-9fbdce15b4ef/sv-benchmarks/c/xcsp/Dubois-035.c[24720,24733] [2021-11-23 15:55:29,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:29,223 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:29,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29 WrapperNode [2021-11-23 15:55:29,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:29,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:29,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:29,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:29,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,420 INFO L137 Inliner]: procedures = 13, calls = 287, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 717 [2021-11-23 15:55:29,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:29,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:29,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:29,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:29,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:29,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:29,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:29,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:29,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:29" (1/1) ... [2021-11-23 15:55:29,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:29,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:29,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:29,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:29,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:29,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:29,731 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:55:29,731 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:55:29,909 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:29,911 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:30,816 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:30,898 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 15:55:30,904 INFO L158 Benchmark]: Toolchain (without parser) took 2492.60ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 50.8MB in the beginning and 56.8MB in the end (delta: -6.0MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,919 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:30,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.83ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 50.6MB in the beginning and 63.2MB in the end (delta: -12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 195.29ms. Allocated memory is still 115.3MB. Free memory was 63.2MB in the beginning and 54.3MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,922 INFO L158 Benchmark]: Boogie Preprocessor took 158.29ms. Allocated memory is still 115.3MB. Free memory was 54.3MB in the beginning and 49.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,923 INFO L158 Benchmark]: RCFGBuilder took 1320.47ms. Allocated memory is still 115.3MB. Free memory was 49.5MB in the beginning and 56.8MB in the end (delta: -7.3MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:30,927 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.83ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 50.6MB in the beginning and 63.2MB in the end (delta: -12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 195.29ms. Allocated memory is still 115.3MB. Free memory was 63.2MB in the beginning and 54.3MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.29ms. Allocated memory is still 115.3MB. Free memory was 54.3MB in the beginning and 49.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1320.47ms. Allocated memory is still 115.3MB. Free memory was 49.5MB in the beginning and 56.8MB in the end (delta: -7.3MB). Peak memory consumption was 10.6MB. 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 15:55:30,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/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_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/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_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-035.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/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_892e191a-dfab-41bb-837c-9fbdce15b4ef/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 07a21c82e6fc1c57d4d3d3875ad71cda705bf32daab84bd8ad81db243ce6cd9c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:33,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:33,386 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:33,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:33,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:33,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:33,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:33,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:33,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:33,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:33,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:33,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:33,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:33,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:33,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:33,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:33,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:33,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:33,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:33,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:33,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:33,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:33,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:33,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:33,487 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:33,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:33,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:33,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:33,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:33,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:33,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:33,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:33,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:33,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:33,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:33,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:33,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:33,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:33,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:33,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:33,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:33,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:33,559 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:33,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:33,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:33,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:33,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:33,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:33,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:33,565 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:33,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:33,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:33,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:33,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:33,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:33,567 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:33,568 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:33,568 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:33,568 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:33,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:33,569 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:33,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:33,569 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:33,569 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:33,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:33,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:33,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:33,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:33,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:33,571 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:33,571 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:33,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:33,572 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:33,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:33,573 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_892e191a-dfab-41bb-837c-9fbdce15b4ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07a21c82e6fc1c57d4d3d3875ad71cda705bf32daab84bd8ad81db243ce6cd9c [2021-11-23 15:55:33,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:33,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:33,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:33,985 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:33,986 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:33,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-035.c [2021-11-23 15:55:34,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/data/2bb5f5d66/52940f82763e44e1aa3da57a008de900/FLAGd62de2847 [2021-11-23 15:55:34,773 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:34,774 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/sv-benchmarks/c/xcsp/Dubois-035.c [2021-11-23 15:55:34,797 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/data/2bb5f5d66/52940f82763e44e1aa3da57a008de900/FLAGd62de2847 [2021-11-23 15:55:34,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/data/2bb5f5d66/52940f82763e44e1aa3da57a008de900 [2021-11-23 15:55:34,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:34,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:34,822 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:34,822 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:34,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:34,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:34" (1/1) ... [2021-11-23 15:55:34,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@531c7f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:34, skipping insertion in model container [2021-11-23 15:55:34,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:34" (1/1) ... [2021-11-23 15:55:34,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:34,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:35,329 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_892e191a-dfab-41bb-837c-9fbdce15b4ef/sv-benchmarks/c/xcsp/Dubois-035.c[24720,24733] [2021-11-23 15:55:35,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:35,357 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:35,472 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_892e191a-dfab-41bb-837c-9fbdce15b4ef/sv-benchmarks/c/xcsp/Dubois-035.c[24720,24733] [2021-11-23 15:55:35,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:35,488 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:35,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35 WrapperNode [2021-11-23 15:55:35,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:35,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:35,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:35,491 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:35,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,581 INFO L137 Inliner]: procedures = 13, calls = 287, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 612 [2021-11-23 15:55:35,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:35,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:35,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:35,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:35,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:35,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:35,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:35,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:35,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:35" (1/1) ... [2021-11-23 15:55:35,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:35,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:35,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:35,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:35,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:55:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:55:36,009 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:36,027 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:36,837 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:36,872 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 15:55:36,880 INFO L158 Benchmark]: Toolchain (without parser) took 2057.28ms. Allocated memory was 54.5MB in the beginning and 92.3MB in the end (delta: 37.7MB). Free memory was 30.1MB in the beginning and 55.2MB in the end (delta: -25.1MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,882 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:36,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 667.42ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 29.8MB in the beginning and 41.3MB in the end (delta: -11.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.81ms. Allocated memory is still 69.2MB. Free memory was 41.3MB in the beginning and 33.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,885 INFO L158 Benchmark]: Boogie Preprocessor took 144.31ms. Allocated memory is still 69.2MB. Free memory was 33.0MB in the beginning and 45.6MB in the end (delta: -12.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,887 INFO L158 Benchmark]: RCFGBuilder took 1148.88ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 45.6MB in the beginning and 55.2MB in the end (delta: -9.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:36,896 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.6MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 667.42ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 29.8MB in the beginning and 41.3MB in the end (delta: -11.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.81ms. Allocated memory is still 69.2MB. Free memory was 41.3MB in the beginning and 33.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.31ms. Allocated memory is still 69.2MB. Free memory was 33.0MB in the beginning and 45.6MB in the end (delta: -12.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1148.88ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 45.6MB in the beginning and 55.2MB in the end (delta: -9.6MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:36,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_892e191a-dfab-41bb-837c-9fbdce15b4ef/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