./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-021.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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-021.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/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 e914ef70bca7623c78f76c7515a1a020f1916ebb0197185152701ddd5f622073 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:38,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:38,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:38,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:38,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:38,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:38,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:38,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:38,726 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:38,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:38,735 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:38,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:38,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:38,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:38,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:38,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:38,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:38,750 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:38,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:38,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:38,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:38,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:38,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:38,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:38,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:38,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:38,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:38,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:38,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:38,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:38,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:38,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:38,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:38,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:38,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:38,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:38,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:38,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:38,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:38,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:38,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:38,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:38,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:38,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:38,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:38,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:38,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:38,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:38,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:38,820 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:38,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:38,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:38,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:38,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:38,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:38,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:38,822 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:38,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:38,822 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:38,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:38,823 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:38,823 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:38,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:38,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:38,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:38,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:38,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:38,825 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:38,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:38,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:38,826 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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e914ef70bca7623c78f76c7515a1a020f1916ebb0197185152701ddd5f622073 [2021-11-23 15:55:39,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:39,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:39,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:39,101 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:39,102 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:39,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-021.c [2021-11-23 15:55:39,174 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/data/2723b74ac/0b740916ac614dada3e0f1a81203237e/FLAG42679fc25 [2021-11-23 15:55:39,635 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:39,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/sv-benchmarks/c/xcsp/Dubois-021.c [2021-11-23 15:55:39,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/data/2723b74ac/0b740916ac614dada3e0f1a81203237e/FLAG42679fc25 [2021-11-23 15:55:39,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/data/2723b74ac/0b740916ac614dada3e0f1a81203237e [2021-11-23 15:55:39,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:39,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:39,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:39,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:39,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:39,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:39" (1/1) ... [2021-11-23 15:55:39,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2645fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:39, skipping insertion in model container [2021-11-23 15:55:39,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:39" (1/1) ... [2021-11-23 15:55:40,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:40,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:40,447 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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/sv-benchmarks/c/xcsp/Dubois-021.c[15084,15097] [2021-11-23 15:55:40,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:40,480 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:40,600 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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/sv-benchmarks/c/xcsp/Dubois-021.c[15084,15097] [2021-11-23 15:55:40,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:40,625 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:40,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40 WrapperNode [2021-11-23 15:55:40,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:40,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:40,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:40,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:40,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,736 INFO L137 Inliner]: procedures = 13, calls = 175, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 437 [2021-11-23 15:55:40,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:40,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:40,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:40,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:40,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:40,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:40,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:40,810 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:40,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:40" (1/1) ... [2021-11-23 15:55:40,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:40,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:40,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:40,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:40,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:40,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:40,926 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:55:40,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:55:41,055 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:41,057 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:41,514 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:41,574 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 15:55:41,579 INFO L158 Benchmark]: Toolchain (without parser) took 1589.27ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 54.9MB in the beginning and 87.6MB in the end (delta: -32.7MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:41,579 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 22.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:41,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.36ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 54.6MB in the beginning and 73.3MB in the end (delta: -18.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:55:41,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.46ms. Allocated memory is still 115.3MB. Free memory was 73.3MB in the beginning and 67.9MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:41,582 INFO L158 Benchmark]: Boogie Preprocessor took 71.07ms. Allocated memory is still 115.3MB. Free memory was 67.9MB in the beginning and 64.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:41,583 INFO L158 Benchmark]: RCFGBuilder took 767.47ms. Allocated memory is still 115.3MB. Free memory was 64.4MB in the beginning and 87.6MB in the end (delta: -23.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:41,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 90.2MB. Free memory was 62.8MB in the beginning and 62.8MB in the end (delta: 22.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.36ms. Allocated memory was 90.2MB in the beginning and 115.3MB in the end (delta: 25.2MB). Free memory was 54.6MB in the beginning and 73.3MB in the end (delta: -18.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.46ms. Allocated memory is still 115.3MB. Free memory was 73.3MB in the beginning and 67.9MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.07ms. Allocated memory is still 115.3MB. Free memory was 67.9MB in the beginning and 64.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 767.47ms. Allocated memory is still 115.3MB. Free memory was 64.4MB in the beginning and 87.6MB in the end (delta: -23.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:41,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-021.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/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 e914ef70bca7623c78f76c7515a1a020f1916ebb0197185152701ddd5f622073 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:44,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:44,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:44,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:44,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:44,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:44,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:44,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:44,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:44,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:44,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:44,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:44,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:44,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:44,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:44,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:44,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:44,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:44,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:44,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:44,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:44,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:44,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:44,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:44,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:44,160 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:44,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:44,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:44,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:44,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:44,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:44,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:44,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:44,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:44,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:44,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:44,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:44,191 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:44,191 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:44,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:44,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:44,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:44,250 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:44,251 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:44,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:44,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:44,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:44,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:44,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:44,255 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:44,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:44,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:44,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:44,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:44,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:44,257 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:44,257 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:44,258 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:44,258 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:44,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:44,258 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:44,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:44,259 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:44,259 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:44,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:44,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:44,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:44,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:44,261 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:44,261 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:44,261 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:44,262 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:44,262 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:44,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:44,263 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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e914ef70bca7623c78f76c7515a1a020f1916ebb0197185152701ddd5f622073 [2021-11-23 15:55:44,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:44,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:44,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:44,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:44,699 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:44,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-021.c [2021-11-23 15:55:44,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/data/5b36edd0e/6f5ab40f23ee4b3aa9a27bd5fbb6d82c/FLAG4aa18e6d0 [2021-11-23 15:55:45,439 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:45,440 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/sv-benchmarks/c/xcsp/Dubois-021.c [2021-11-23 15:55:45,450 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/data/5b36edd0e/6f5ab40f23ee4b3aa9a27bd5fbb6d82c/FLAG4aa18e6d0 [2021-11-23 15:55:45,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/data/5b36edd0e/6f5ab40f23ee4b3aa9a27bd5fbb6d82c [2021-11-23 15:55:45,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:45,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:45,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:45,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:45,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:45,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:45" (1/1) ... [2021-11-23 15:55:45,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f24f030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:45, skipping insertion in model container [2021-11-23 15:55:45,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:45" (1/1) ... [2021-11-23 15:55:45,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:45,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:46,152 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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/sv-benchmarks/c/xcsp/Dubois-021.c[15084,15097] [2021-11-23 15:55:46,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:46,180 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:46,297 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_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/sv-benchmarks/c/xcsp/Dubois-021.c[15084,15097] [2021-11-23 15:55:46,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:46,313 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:46,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46 WrapperNode [2021-11-23 15:55:46,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:46,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:46,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:46,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:46,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,415 INFO L137 Inliner]: procedures = 13, calls = 175, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 374 [2021-11-23 15:55:46,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:46,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:46,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:46,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:46,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:46,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:46,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:46,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:46,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:46" (1/1) ... [2021-11-23 15:55:46,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:46,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:46,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:46,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:46,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:46,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:46,603 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:55:46,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:55:46,760 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:46,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:47,243 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:47,264 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 15:55:47,269 INFO L158 Benchmark]: Toolchain (without parser) took 1525.51ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 52.1MB in the beginning and 56.5MB in the end (delta: -4.5MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:47,270 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:47,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.44ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 41.9MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:55:47,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.39ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 36.3MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:47,272 INFO L158 Benchmark]: Boogie Preprocessor took 95.42ms. Allocated memory is still 69.2MB. Free memory was 36.3MB in the beginning and 33.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:47,273 INFO L158 Benchmark]: RCFGBuilder took 754.98ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 32.9MB in the beginning and 56.5MB in the end (delta: -23.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:47,277 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 69.2MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.44ms. Allocated memory is still 69.2MB. Free memory was 51.9MB in the beginning and 41.9MB in the end (delta: 10.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.39ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 36.3MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.42ms. Allocated memory is still 69.2MB. Free memory was 36.3MB in the beginning and 33.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 754.98ms. Allocated memory was 69.2MB in the beginning and 98.6MB in the end (delta: 29.4MB). Free memory was 32.9MB in the beginning and 56.5MB in the end (delta: -23.6MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:47,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e8c47e-b3ca-4d8f-b6de-80fe9f064c53/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