./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s2lif.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_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/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_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s2lif.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/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_04baa98c-eb16-49bf-98c0-882986beaf36/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 b94168e93e7008f2fa8921a5a8a54bdf1fdce85df40220d4719fdc5076df164f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:11,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:11,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:11,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:11,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:11,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:11,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:11,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:11,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:11,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:11,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:11,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:11,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:11,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:11,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:11,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:11,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:11,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:11,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:11,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:11,701 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:11,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:11,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:11,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:11,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:11,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:11,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:11,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:11,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:11,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:11,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:11,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:11,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:11,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:11,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:11,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:11,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:11,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:11,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:11,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:11,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:11,733 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:40:11,775 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:11,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:11,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:11,777 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:11,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:11,778 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:11,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:11,778 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:11,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:40:11,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:11,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:11,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:11,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:11,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:11,787 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:11,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:11,787 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:11,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:11,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:11,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:11,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:11,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:11,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:11,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:11,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:11,789 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:40:11,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:40:11,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:11,790 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_04baa98c-eb16-49bf-98c0-882986beaf36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b94168e93e7008f2fa8921a5a8a54bdf1fdce85df40220d4719fdc5076df164f [2021-11-23 15:40:12,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:12,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:12,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:12,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:12,171 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:12,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/s2lif.c [2021-11-23 15:40:12,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/data/e7fde9f31/b184c65d06464290b078571ac7ccd4e1/FLAGe13c24480 [2021-11-23 15:40:12,846 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:12,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/sv-benchmarks/c/array-fpi/s2lif.c [2021-11-23 15:40:12,862 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/data/e7fde9f31/b184c65d06464290b078571ac7ccd4e1/FLAGe13c24480 [2021-11-23 15:40:13,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/data/e7fde9f31/b184c65d06464290b078571ac7ccd4e1 [2021-11-23 15:40:13,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:13,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:13,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:13,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:13,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:13,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16369889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13, skipping insertion in model container [2021-11-23 15:40:13,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:13,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:13,464 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_04baa98c-eb16-49bf-98c0-882986beaf36/sv-benchmarks/c/array-fpi/s2lif.c[588,601] [2021-11-23 15:40:13,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:13,496 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:13,509 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_04baa98c-eb16-49bf-98c0-882986beaf36/sv-benchmarks/c/array-fpi/s2lif.c[588,601] [2021-11-23 15:40:13,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:13,534 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:13,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13 WrapperNode [2021-11-23 15:40:13,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:13,536 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:13,536 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:13,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:13,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,581 INFO L137 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2021-11-23 15:40:13,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:13,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:13,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:13,583 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:13,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:13,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:13,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:13,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:13,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:13,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:13,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:13,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:13,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:40:13,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:40:13,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:40:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:40:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:13,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:13,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:40:13,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:40:13,813 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:13,815 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:14,015 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:14,038 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 15:40:14,043 INFO L158 Benchmark]: Toolchain (without parser) took 837.81ms. Allocated memory is still 100.7MB. Free memory was 60.2MB in the beginning and 61.4MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:14,044 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:14,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.41ms. Allocated memory is still 100.7MB. Free memory was 60.0MB in the beginning and 75.5MB in the end (delta: -15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:14,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.33ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 74.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:14,048 INFO L158 Benchmark]: Boogie Preprocessor took 59.39ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 72.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:14,049 INFO L158 Benchmark]: RCFGBuilder took 398.00ms. Allocated memory is still 100.7MB. Free memory was 72.7MB in the beginning and 61.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:40:14,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.41ms. Allocated memory is still 100.7MB. Free memory was 60.0MB in the beginning and 75.5MB in the end (delta: -15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.33ms. Allocated memory is still 100.7MB. Free memory was 75.5MB in the beginning and 74.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.39ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 72.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.00ms. Allocated memory is still 100.7MB. Free memory was 72.7MB in the beginning and 61.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:40:14,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/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_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/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_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s2lif.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/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_04baa98c-eb16-49bf-98c0-882986beaf36/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 b94168e93e7008f2fa8921a5a8a54bdf1fdce85df40220d4719fdc5076df164f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:16,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:16,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:16,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:16,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:16,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:16,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:16,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:16,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:16,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:16,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:16,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:16,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:16,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:16,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:16,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:16,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:16,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:16,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:16,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:16,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:16,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:16,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:16,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:16,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:16,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:16,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:16,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:16,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:16,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:16,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:16,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:16,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:16,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:16,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:16,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:16,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:16,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:16,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:16,813 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:16,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:16,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:40:16,844 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:16,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:16,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:16,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:16,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:16,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:16,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:16,847 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:16,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:16,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:16,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:16,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:16,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:16,849 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:40:16,849 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:40:16,850 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:40:16,850 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:16,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:16,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:16,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:16,851 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:16,851 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:16,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:16,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:16,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:16,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:16,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:16,853 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:40:16,853 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:40:16,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:16,854 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:40:16,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:40:16,854 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_04baa98c-eb16-49bf-98c0-882986beaf36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b94168e93e7008f2fa8921a5a8a54bdf1fdce85df40220d4719fdc5076df164f [2021-11-23 15:40:17,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:17,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:17,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:17,335 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:17,336 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:17,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/s2lif.c [2021-11-23 15:40:17,413 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/data/d3121fdd2/da98230293494733a0e971492e3ad9f5/FLAGf3df55fa3 [2021-11-23 15:40:18,067 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:18,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/sv-benchmarks/c/array-fpi/s2lif.c [2021-11-23 15:40:18,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/data/d3121fdd2/da98230293494733a0e971492e3ad9f5/FLAGf3df55fa3 [2021-11-23 15:40:18,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/data/d3121fdd2/da98230293494733a0e971492e3ad9f5 [2021-11-23 15:40:18,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:18,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:18,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:18,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:18,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:18,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2967c3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18, skipping insertion in model container [2021-11-23 15:40:18,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:18,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:18,621 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_04baa98c-eb16-49bf-98c0-882986beaf36/sv-benchmarks/c/array-fpi/s2lif.c[588,601] [2021-11-23 15:40:18,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:18,655 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:18,667 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_04baa98c-eb16-49bf-98c0-882986beaf36/sv-benchmarks/c/array-fpi/s2lif.c[588,601] [2021-11-23 15:40:18,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:18,696 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:18,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18 WrapperNode [2021-11-23 15:40:18,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:18,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:18,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:18,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:18,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,742 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2021-11-23 15:40:18,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:18,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:18,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:18,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:18,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:18,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:18,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:18,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:18,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:18" (1/1) ... [2021-11-23 15:40:18,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:18,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:18,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:18,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:40:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:40:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:40:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:40:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:40:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:18,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:40:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:40:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:40:18,980 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:18,982 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:19,302 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:19,322 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 15:40:19,341 INFO L158 Benchmark]: Toolchain (without parser) took 909.37ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 32.8MB in the beginning and 50.2MB in the end (delta: -17.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-23 15:40:19,355 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:19,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.51ms. Allocated memory is still 54.5MB. Free memory was 32.6MB in the beginning and 35.3MB in the end (delta: -2.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2021-11-23 15:40:19,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.57ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 33.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:19,359 INFO L158 Benchmark]: Boogie Preprocessor took 56.65ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 32.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:19,360 INFO L158 Benchmark]: RCFGBuilder took 538.51ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 32.2MB in the beginning and 50.2MB in the end (delta: -18.0MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-23 15:40:19,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.51ms. Allocated memory is still 54.5MB. Free memory was 32.6MB in the beginning and 35.3MB in the end (delta: -2.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.57ms. Allocated memory is still 54.5MB. Free memory was 35.3MB in the beginning and 33.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.65ms. Allocated memory is still 54.5MB. Free memory was 33.6MB in the beginning and 32.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 538.51ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 32.2MB in the beginning and 50.2MB in the end (delta: -18.0MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:40:19,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04baa98c-eb16-49bf-98c0-882986beaf36/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