./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/seq-3.i --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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/seq-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/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 6c770a3141edeab927df0da4e8c2152e1fb2e87b0c43a352500a7e3d3cff4533 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:58,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:58,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:58,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:58,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:58,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:58,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:58,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:58,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:58,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:58,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:58,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:58,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:58,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:58,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:58,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:58,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:58,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:58,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:58,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:58,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:58,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:58,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:58,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:58,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:58,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:58,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:58,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:58,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:58,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:58,857 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:58,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:58,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:58,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:58,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:58,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:58,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:58,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:58,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:58,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:58,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:58,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:32:58,932 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:58,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:58,934 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:58,934 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:58,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:58,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:58,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:58,936 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:58,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:32:58,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:58,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:58,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:58,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:58,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:58,944 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:58,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:58,945 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:58,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:58,945 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:58,945 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:58,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:58,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:58,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:58,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:58,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:58,947 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:32:58,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:32:58,948 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:58,949 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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c770a3141edeab927df0da4e8c2152e1fb2e87b0c43a352500a7e3d3cff4533 [2021-11-23 15:32:59,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:59,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:59,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:59,382 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:59,383 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:59,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-invgen/seq-3.i [2021-11-23 15:32:59,497 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/data/3bcbf15de/0669c2bb5be44a8093c6dd2429699652/FLAG062959901 [2021-11-23 15:33:00,160 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:00,161 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/sv-benchmarks/c/loop-invgen/seq-3.i [2021-11-23 15:33:00,177 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/data/3bcbf15de/0669c2bb5be44a8093c6dd2429699652/FLAG062959901 [2021-11-23 15:33:00,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/data/3bcbf15de/0669c2bb5be44a8093c6dd2429699652 [2021-11-23 15:33:00,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:00,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:00,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:00,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:00,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:00,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b65e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00, skipping insertion in model container [2021-11-23 15:33:00,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:00,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:00,762 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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/sv-benchmarks/c/loop-invgen/seq-3.i[893,906] [2021-11-23 15:33:00,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:00,788 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:00,804 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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/sv-benchmarks/c/loop-invgen/seq-3.i[893,906] [2021-11-23 15:33:00,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:00,827 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:00,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00 WrapperNode [2021-11-23 15:33:00,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:00,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:00,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:00,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:00,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,869 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2021-11-23 15:33:00,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:00,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:00,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:00,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:00,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:00,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:00,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:00,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:00,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:00" (1/1) ... [2021-11-23 15:33:00,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:00,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:00,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:00,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:01,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:01,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:01,114 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:01,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:01,348 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:01,380 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 15:33:01,387 INFO L158 Benchmark]: Toolchain (without parser) took 903.20ms. Allocated memory is still 111.1MB. Free memory was 76.1MB in the beginning and 72.8MB in the end (delta: 3.2MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:01,389 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 59.4MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:01,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.23ms. Allocated memory is still 111.1MB. Free memory was 75.8MB in the beginning and 85.4MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:01,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.80ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 84.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:01,396 INFO L158 Benchmark]: Boogie Preprocessor took 29.50ms. Allocated memory is still 111.1MB. Free memory was 84.2MB in the beginning and 83.3MB in the end (delta: 855.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:01,397 INFO L158 Benchmark]: RCFGBuilder took 482.70ms. Allocated memory is still 111.1MB. Free memory was 83.3MB in the beginning and 72.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:01,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 59.4MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.23ms. Allocated memory is still 111.1MB. Free memory was 75.8MB in the beginning and 85.4MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.80ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 84.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.50ms. Allocated memory is still 111.1MB. Free memory was 84.2MB in the beginning and 83.3MB in the end (delta: 855.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.70ms. Allocated memory is still 111.1MB. Free memory was 83.3MB in the beginning and 72.8MB in the end (delta: 10.5MB). 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 15:33:01,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/seq-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/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 6c770a3141edeab927df0da4e8c2152e1fb2e87b0c43a352500a7e3d3cff4533 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:04,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:04,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:04,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:04,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:04,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:04,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:04,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:04,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:04,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:04,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:04,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:04,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:04,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:04,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:04,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:04,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:04,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:04,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:04,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:04,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:04,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:04,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:04,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:04,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:04,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:04,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:04,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:04,489 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:04,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:04,491 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:04,492 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:04,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:04,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:04,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:04,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:04,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:04,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:04,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:04,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:04,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:04,523 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:04,574 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:04,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:04,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:04,577 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:04,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:04,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:04,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:04,579 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:04,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:04,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:04,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:04,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:04,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:04,582 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:04,582 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:04,582 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:04,583 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:04,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:04,583 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:04,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:04,584 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:04,584 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:04,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:04,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:04,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:04,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:04,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:04,585 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:04,586 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:04,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:04,586 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:04,586 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:04,587 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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c770a3141edeab927df0da4e8c2152e1fb2e87b0c43a352500a7e3d3cff4533 [2021-11-23 15:33:05,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:05,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:05,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:05,056 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:05,057 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:05,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-invgen/seq-3.i [2021-11-23 15:33:05,135 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/data/252d37aed/0f831dacd2114cbea0b971c1b54f845a/FLAG8bccd8080 [2021-11-23 15:33:05,809 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:05,810 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/sv-benchmarks/c/loop-invgen/seq-3.i [2021-11-23 15:33:05,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/data/252d37aed/0f831dacd2114cbea0b971c1b54f845a/FLAG8bccd8080 [2021-11-23 15:33:06,130 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/data/252d37aed/0f831dacd2114cbea0b971c1b54f845a [2021-11-23 15:33:06,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:06,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:06,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:06,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:06,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:06,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50777c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06, skipping insertion in model container [2021-11-23 15:33:06,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:06,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:06,397 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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/sv-benchmarks/c/loop-invgen/seq-3.i[893,906] [2021-11-23 15:33:06,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:06,427 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:06,443 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_4f8a46cf-d770-4fc6-a147-951f956d1a4a/sv-benchmarks/c/loop-invgen/seq-3.i[893,906] [2021-11-23 15:33:06,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:06,467 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:06,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06 WrapperNode [2021-11-23 15:33:06,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:06,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:06,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:06,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:06,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,515 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2021-11-23 15:33:06,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:06,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:06,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:06,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:06,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:06,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:06,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:06,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:06,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:06" (1/1) ... [2021-11-23 15:33:06,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:06,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:06,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:06,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:06,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:06,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:06,730 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:06,732 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:06,906 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:06,922 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 15:33:06,927 INFO L158 Benchmark]: Toolchain (without parser) took 790.57ms. Allocated memory is still 77.6MB. Free memory was 42.5MB in the beginning and 41.2MB in the end (delta: 1.3MB). Peak memory consumption was 809.0kB. Max. memory is 16.1GB. [2021-11-23 15:33:06,928 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:06,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.08ms. Allocated memory is still 77.6MB. Free memory was 42.3MB in the beginning and 54.2MB in the end (delta: -11.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:06,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.93ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 52.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:06,931 INFO L158 Benchmark]: Boogie Preprocessor took 42.96ms. Allocated memory is still 77.6MB. Free memory was 52.6MB in the beginning and 51.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:06,932 INFO L158 Benchmark]: RCFGBuilder took 362.33ms. Allocated memory is still 77.6MB. Free memory was 51.4MB in the beginning and 41.2MB in the end (delta: 10.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:33:06,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 77.6MB. Free memory is still 58.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.08ms. Allocated memory is still 77.6MB. Free memory was 42.3MB in the beginning and 54.2MB in the end (delta: -11.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.93ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 52.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.96ms. Allocated memory is still 77.6MB. Free memory was 52.6MB in the beginning and 51.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.33ms. Allocated memory is still 77.6MB. Free memory was 51.4MB in the beginning and 41.2MB in the end (delta: 10.2MB). 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 15:33:07,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8a46cf-d770-4fc6-a147-951f956d1a4a/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