./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-055.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_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/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_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-055.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/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_b878d1d8-9981-45bc-bddd-a3e87df4144a/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 1d2fd399b832d746c36cf0b99753cf8d706cd67154a90f8b18b753bb453a8ef3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:14,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:14,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:14,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:14,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:14,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:14,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:14,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:14,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:14,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:14,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:14,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:14,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:14,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:14,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:14,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:14,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:14,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:14,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:14,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:14,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:14,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:14,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:14,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:14,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:14,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:14,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:14,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:14,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:14,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:14,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:14,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:14,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:14,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:14,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:14,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:14,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:14,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:14,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:14,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:14,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:14,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:45:14,769 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:14,769 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:14,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:14,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:14,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:14,773 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:14,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:14,773 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:14,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:45:14,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:14,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:14,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:14,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:14,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:14,776 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:14,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:14,776 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:14,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:14,777 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:14,777 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:14,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:14,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:14,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:14,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:14,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:14,778 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:45:14,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:45:14,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:14,779 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_b878d1d8-9981-45bc-bddd-a3e87df4144a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2fd399b832d746c36cf0b99753cf8d706cd67154a90f8b18b753bb453a8ef3 [2021-11-23 15:45:15,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:15,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:15,113 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:15,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:15,116 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:15,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-055.c [2021-11-23 15:45:15,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/data/558f590d8/038b03263fc54a2cb9721f601a8cbbf3/FLAGad209add9 [2021-11-23 15:45:15,749 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:15,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/sv-benchmarks/c/xcsp/Dubois-055.c [2021-11-23 15:45:15,764 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/data/558f590d8/038b03263fc54a2cb9721f601a8cbbf3/FLAGad209add9 [2021-11-23 15:45:16,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/data/558f590d8/038b03263fc54a2cb9721f601a8cbbf3 [2021-11-23 15:45:16,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:16,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:16,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:16,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:16,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:16,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5693d89e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16, skipping insertion in model container [2021-11-23 15:45:16,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:16,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:16,701 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_b878d1d8-9981-45bc-bddd-a3e87df4144a/sv-benchmarks/c/xcsp/Dubois-055.c[39120,39133] [2021-11-23 15:45:16,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:16,729 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:16,860 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_b878d1d8-9981-45bc-bddd-a3e87df4144a/sv-benchmarks/c/xcsp/Dubois-055.c[39120,39133] [2021-11-23 15:45:16,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:16,880 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:16,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16 WrapperNode [2021-11-23 15:45:16,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:16,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:16,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:16,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:16,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:16,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:17,046 INFO L137 Inliner]: procedures = 13, calls = 447, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1117 [2021-11-23 15:45:17,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:17,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:17,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:17,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:17,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:17,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:17,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:17,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:17,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:17,147 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:17,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:17,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:17,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:17,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:17,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:17,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:16" (1/1) ... [2021-11-23 15:45:17,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:17,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:17,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:17,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:17,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:17,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:45:17,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:45:17,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:45:17,436 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:17,438 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:18,289 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:18,358 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 15:45:18,362 INFO L158 Benchmark]: Toolchain (without parser) took 2334.22ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 53.2MB in the beginning and 69.7MB in the end (delta: -16.5MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2021-11-23 15:45:18,363 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 72.3MB in the beginning and 72.2MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:18,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.91ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 52.9MB in the beginning and 75.5MB in the end (delta: -22.6MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:18,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 163.75ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 62.5MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:45:18,365 INFO L158 Benchmark]: Boogie Preprocessor took 126.08ms. Allocated memory is still 111.1MB. Free memory was 62.5MB in the beginning and 55.5MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:18,366 INFO L158 Benchmark]: RCFGBuilder took 1185.87ms. Allocated memory is still 111.1MB. Free memory was 55.5MB in the beginning and 69.7MB in the end (delta: -14.1MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:18,369 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory was 72.3MB in the beginning and 72.2MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.91ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 52.9MB in the beginning and 75.5MB in the end (delta: -22.6MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 163.75ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 62.5MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.08ms. Allocated memory is still 111.1MB. Free memory was 62.5MB in the beginning and 55.5MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1185.87ms. Allocated memory is still 111.1MB. Free memory was 55.5MB in the beginning and 69.7MB in the end (delta: -14.1MB). Peak memory consumption was 27.4MB. 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 15:45:18,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/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_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-055.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/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_b878d1d8-9981-45bc-bddd-a3e87df4144a/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 1d2fd399b832d746c36cf0b99753cf8d706cd67154a90f8b18b753bb453a8ef3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:45:21,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:45:21,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:45:21,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:45:21,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:45:21,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:45:21,096 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:45:21,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:45:21,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:45:21,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:45:21,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:45:21,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:45:21,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:45:21,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:45:21,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:45:21,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:45:21,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:45:21,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:45:21,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:45:21,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:45:21,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:45:21,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:45:21,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:45:21,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:45:21,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:45:21,164 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:45:21,164 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:45:21,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:45:21,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:45:21,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:45:21,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:45:21,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:45:21,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:45:21,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:45:21,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:45:21,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:45:21,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:45:21,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:45:21,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:45:21,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:45:21,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:45:21,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:45:21,212 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:45:21,213 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:45:21,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:45:21,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:45:21,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:45:21,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:45:21,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:45:21,216 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:45:21,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:45:21,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:45:21,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:45:21,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:45:21,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:45:21,217 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:45:21,218 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:45:21,218 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:45:21,218 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:45:21,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:45:21,219 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:45:21,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:45:21,219 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:45:21,219 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:45:21,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:45:21,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:21,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:45:21,220 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:45:21,221 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:45:21,221 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:45:21,221 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:45:21,221 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:45:21,222 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:45:21,222 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:45:21,222 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_b878d1d8-9981-45bc-bddd-a3e87df4144a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d2fd399b832d746c36cf0b99753cf8d706cd67154a90f8b18b753bb453a8ef3 [2021-11-23 15:45:21,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:45:21,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:45:21,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:45:21,668 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:45:21,669 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:45:21,670 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-055.c [2021-11-23 15:45:21,743 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/data/90a6ca746/1d390a5d50d24dbe8da1f3fa7407ccce/FLAG748bd4ee1 [2021-11-23 15:45:22,390 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:45:22,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/sv-benchmarks/c/xcsp/Dubois-055.c [2021-11-23 15:45:22,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/data/90a6ca746/1d390a5d50d24dbe8da1f3fa7407ccce/FLAG748bd4ee1 [2021-11-23 15:45:22,609 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/data/90a6ca746/1d390a5d50d24dbe8da1f3fa7407ccce [2021-11-23 15:45:22,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:45:22,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:45:22,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:22,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:45:22,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:45:22,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:22" (1/1) ... [2021-11-23 15:45:22,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d6836e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:22, skipping insertion in model container [2021-11-23 15:45:22,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:45:22" (1/1) ... [2021-11-23 15:45:22,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:45:22,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:45:23,196 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_b878d1d8-9981-45bc-bddd-a3e87df4144a/sv-benchmarks/c/xcsp/Dubois-055.c[39120,39133] [2021-11-23 15:45:23,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:23,228 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:45:23,421 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_b878d1d8-9981-45bc-bddd-a3e87df4144a/sv-benchmarks/c/xcsp/Dubois-055.c[39120,39133] [2021-11-23 15:45:23,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:45:23,438 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:45:23,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:23 WrapperNode [2021-11-23 15:45:23,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:45:23,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:23,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:45:23,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:45:23,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:23" (1/1) ... [2021-11-23 15:45:23,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:23" (1/1) ... [2021-11-23 15:45:23,626 INFO L137 Inliner]: procedures = 13, calls = 447, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 952 [2021-11-23 15:45:23,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:23,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:23,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:23,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:23,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:23" (1/1) ... [2021-11-23 15:45:23,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:23" (1/1) ... [2021-11-23 15:45:23,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:23" (1/1) ... [2021-11-23 15:45:23,674 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:23" (1/1) ... [2021-11-23 15:45:23,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:23" (1/1) ... [2021-11-23 15:45:23,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:23" (1/1) ... [2021-11-23 15:45:23,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:23" (1/1) ... [2021-11-23 15:45:23,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:23,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:23,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:23,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:23,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:45:23" (1/1) ... [2021-11-23 15:45:23,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:23,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:23,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:23,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:23,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:23,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:45:23,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:45:23,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:45:24,103 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:24,105 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:45:25,018 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:45:25,051 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 15:45:25,058 INFO L158 Benchmark]: Toolchain (without parser) took 2442.85ms. Allocated memory was 50.3MB in the beginning and 75.5MB in the end (delta: 25.2MB). Free memory was 25.2MB in the beginning and 27.7MB in the end (delta: -2.6MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2021-11-23 15:45:25,059 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:45:25,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 823.95ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 24.9MB in the beginning and 35.1MB in the end (delta: -10.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-11-23 15:45:25,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.42ms. Allocated memory is still 60.8MB. Free memory was 35.1MB in the beginning and 32.0MB in the end (delta: 3.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2021-11-23 15:45:25,062 INFO L158 Benchmark]: Boogie Preprocessor took 151.50ms. Allocated memory is still 60.8MB. Free memory was 31.8MB in the beginning and 24.8MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:45:25,063 INFO L158 Benchmark]: RCFGBuilder took 1275.27ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 24.8MB in the beginning and 27.7MB in the end (delta: -2.9MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-11-23 15:45:25,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 50.3MB. Free memory is still 31.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 823.95ms. Allocated memory was 50.3MB in the beginning and 60.8MB in the end (delta: 10.5MB). Free memory was 24.9MB in the beginning and 35.1MB in the end (delta: -10.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.42ms. Allocated memory is still 60.8MB. Free memory was 35.1MB in the beginning and 32.0MB in the end (delta: 3.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 151.50ms. Allocated memory is still 60.8MB. Free memory was 31.8MB in the beginning and 24.8MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1275.27ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 24.8MB in the beginning and 27.7MB in the end (delta: -2.9MB). Peak memory consumption was 15.1MB. 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 15:45:25,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b878d1d8-9981-45bc-bddd-a3e87df4144a/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