./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ifeqn3f.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_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/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_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn3f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/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_a18c296d-175a-495e-9c9b-f0941833d7dc/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 a857b372cfe9289a49ef385694b13655c2cf51f01faafc79ddd271caed9dd0b5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:37,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:37,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:37,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:37,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:37,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:37,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:37,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:37,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:37,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:37,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:37,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:37,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:37,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:37,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:37,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:37,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:37,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:37,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:37,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:37,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:37,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:37,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:37,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:37,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:37,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:37,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:37,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:37,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:37,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:37,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:37,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:37,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:37,950 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:37,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:37,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:37,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:37,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:37,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:37,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:37,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:37,958 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:37,984 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:37,985 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:37,986 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:37,986 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:37,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:37,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:37,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:37,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:37,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:37,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:37,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:37,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:37,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:37,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:37,990 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:37,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:37,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:37,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:37,991 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:37,991 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:37,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:37,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:37,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:37,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:37,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:37,993 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:37,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:37,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:37,994 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_a18c296d-175a-495e-9c9b-f0941833d7dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a857b372cfe9289a49ef385694b13655c2cf51f01faafc79ddd271caed9dd0b5 [2021-11-23 15:57:38,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:38,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:38,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:38,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:38,338 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:38,340 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/ifeqn3f.c [2021-11-23 15:57:38,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/data/60b95aa08/8d0339c3b4f148d38db97529fde598b5/FLAGf6db89447 [2021-11-23 15:57:38,937 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:38,943 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/sv-benchmarks/c/array-fpi/ifeqn3f.c [2021-11-23 15:57:38,956 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/data/60b95aa08/8d0339c3b4f148d38db97529fde598b5/FLAGf6db89447 [2021-11-23 15:57:39,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/data/60b95aa08/8d0339c3b4f148d38db97529fde598b5 [2021-11-23 15:57:39,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:39,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:39,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:39,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:39,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:39,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b4be59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39, skipping insertion in model container [2021-11-23 15:57:39,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:39,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:39,534 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_a18c296d-175a-495e-9c9b-f0941833d7dc/sv-benchmarks/c/array-fpi/ifeqn3f.c[590,603] [2021-11-23 15:57:39,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:39,567 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:39,586 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_a18c296d-175a-495e-9c9b-f0941833d7dc/sv-benchmarks/c/array-fpi/ifeqn3f.c[590,603] [2021-11-23 15:57:39,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:39,615 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:39,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39 WrapperNode [2021-11-23 15:57:39,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:39,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:39,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:39,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:39,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,633 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,656 INFO L137 Inliner]: procedures = 16, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2021-11-23 15:57:39,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:39,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:39,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:39,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:39,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:39,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:39,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:39,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:39,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:39,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:39,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:39,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:57:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:39,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:39,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:39,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:57:39,842 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:39,844 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:40,023 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:40,041 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 15:57:40,053 INFO L158 Benchmark]: Toolchain (without parser) took 744.55ms. Allocated memory is still 96.5MB. Free memory was 63.1MB in the beginning and 57.6MB in the end (delta: 5.5MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:40,054 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:40,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.83ms. Allocated memory is still 96.5MB. Free memory was 62.9MB in the beginning and 71.4MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:40,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.74ms. Allocated memory is still 96.5MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:40,058 INFO L158 Benchmark]: Boogie Preprocessor took 31.17ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 68.5MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:40,059 INFO L158 Benchmark]: RCFGBuilder took 361.59ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 57.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:40,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.83ms. Allocated memory is still 96.5MB. Free memory was 62.9MB in the beginning and 71.4MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.74ms. Allocated memory is still 96.5MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.17ms. Allocated memory is still 96.5MB. Free memory was 69.6MB in the beginning and 68.5MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 361.59ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 57.6MB in the end (delta: 10.8MB). 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 15:57:40,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/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_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ifeqn3f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/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_a18c296d-175a-495e-9c9b-f0941833d7dc/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 a857b372cfe9289a49ef385694b13655c2cf51f01faafc79ddd271caed9dd0b5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:43,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:43,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:43,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:43,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:43,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:43,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:43,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:43,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:43,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:43,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:43,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:43,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:43,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:43,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:43,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:43,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:43,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:43,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:43,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:43,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:43,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:43,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:43,322 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:43,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:43,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:43,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:43,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:43,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:43,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:43,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:43,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:43,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:43,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:43,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:43,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:43,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:43,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:43,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:43,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:43,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:43,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:43,402 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:43,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:43,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:43,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:43,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:43,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:43,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:43,407 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:43,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:43,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:43,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:43,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:43,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:43,410 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:43,410 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:43,411 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:43,411 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:43,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:43,411 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:43,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:43,412 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:43,412 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:43,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:43,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:43,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:43,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:43,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:43,414 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:43,414 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:43,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:43,415 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:43,415 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:43,416 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_a18c296d-175a-495e-9c9b-f0941833d7dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a857b372cfe9289a49ef385694b13655c2cf51f01faafc79ddd271caed9dd0b5 [2021-11-23 15:57:43,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:43,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:43,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:43,966 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:43,967 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:43,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-fpi/ifeqn3f.c [2021-11-23 15:57:44,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/data/bca8e4cbe/7d34768c1944416696fcf38d55b72282/FLAGa637ab2a6 [2021-11-23 15:57:44,724 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:44,725 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/sv-benchmarks/c/array-fpi/ifeqn3f.c [2021-11-23 15:57:44,734 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/data/bca8e4cbe/7d34768c1944416696fcf38d55b72282/FLAGa637ab2a6 [2021-11-23 15:57:45,061 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/data/bca8e4cbe/7d34768c1944416696fcf38d55b72282 [2021-11-23 15:57:45,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:45,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:45,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:45,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:45,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:45,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31730978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45, skipping insertion in model container [2021-11-23 15:57:45,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:45,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:45,257 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_a18c296d-175a-495e-9c9b-f0941833d7dc/sv-benchmarks/c/array-fpi/ifeqn3f.c[590,603] [2021-11-23 15:57:45,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:45,298 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:45,309 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_a18c296d-175a-495e-9c9b-f0941833d7dc/sv-benchmarks/c/array-fpi/ifeqn3f.c[590,603] [2021-11-23 15:57:45,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:45,368 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:45,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45 WrapperNode [2021-11-23 15:57:45,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:45,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:45,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:45,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:45,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,414 INFO L137 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2021-11-23 15:57:45,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:45,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:45,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:45,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:45,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:45,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:45,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:45,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:45,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:45,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:45,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:45,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 15:57:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:45,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:45,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:45,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:57:45,690 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:45,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:46,010 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:46,028 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 15:57:46,033 INFO L158 Benchmark]: Toolchain (without parser) took 966.22ms. Allocated memory is still 56.6MB. Free memory was 35.0MB in the beginning and 25.3MB in the end (delta: 9.7MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:46,033 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:46,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.83ms. Allocated memory is still 56.6MB. Free memory was 34.9MB in the beginning and 40.0MB in the end (delta: -5.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:46,035 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.51ms. Allocated memory is still 56.6MB. Free memory was 40.0MB in the beginning and 38.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:46,036 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 37.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:46,037 INFO L158 Benchmark]: RCFGBuilder took 583.23ms. Allocated memory is still 56.6MB. Free memory was 36.9MB in the beginning and 25.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:46,044 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.83ms. Allocated memory is still 56.6MB. Free memory was 34.9MB in the beginning and 40.0MB in the end (delta: -5.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.51ms. Allocated memory is still 56.6MB. Free memory was 40.0MB in the beginning and 38.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 56.6MB. Free memory was 38.3MB in the beginning and 37.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.23ms. Allocated memory is still 56.6MB. Free memory was 36.9MB in the beginning and 25.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:46,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a18c296d-175a-495e-9c9b-f0941833d7dc/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