./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/Mono6_1.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_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/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_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/Mono6_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/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_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/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 d34109ac38ddcd69eb693c43509c1355293ac88c80ebd192d8e2af9a8be8f805 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:49:20,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:20,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:20,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:20,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:20,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:20,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:20,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:20,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:20,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:20,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:20,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:20,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:20,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:20,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:20,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:20,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:20,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:20,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:20,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:20,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:20,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:20,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:20,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:20,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:20,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:20,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:20,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:20,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:20,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:20,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:20,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:20,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:20,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:20,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:20,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:20,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:20,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:20,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:20,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:20,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:20,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:49:20,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:20,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:20,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:20,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:20,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:20,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:20,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:20,383 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:20,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:49:20,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:20,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:20,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:20,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:20,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:20,384 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:20,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:20,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:20,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:20,385 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:20,385 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:20,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:20,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:20,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:20,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:20,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:20,386 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:49:20,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:49:20,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:20,387 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_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d34109ac38ddcd69eb693c43509c1355293ac88c80ebd192d8e2af9a8be8f805 [2021-11-23 15:49:20,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:20,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:20,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:20,659 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:20,660 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:20,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loops-crafted-1/Mono6_1.c [2021-11-23 15:49:20,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/data/eb072f531/d20aff22f0dd46688bd3b4d1d00e4fd5/FLAGfa2c171ff [2021-11-23 15:49:21,215 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:21,216 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/sv-benchmarks/c/loops-crafted-1/Mono6_1.c [2021-11-23 15:49:21,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/data/eb072f531/d20aff22f0dd46688bd3b4d1d00e4fd5/FLAGfa2c171ff [2021-11-23 15:49:21,577 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/data/eb072f531/d20aff22f0dd46688bd3b4d1d00e4fd5 [2021-11-23 15:49:21,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:21,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:21,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:21,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:21,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:21,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@623729f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21, skipping insertion in model container [2021-11-23 15:49:21,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:21,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:21,778 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_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/sv-benchmarks/c/loops-crafted-1/Mono6_1.c[311,324] [2021-11-23 15:49:21,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:21,805 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:21,826 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_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/sv-benchmarks/c/loops-crafted-1/Mono6_1.c[311,324] [2021-11-23 15:49:21,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:21,844 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:21,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21 WrapperNode [2021-11-23 15:49:21,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:21,849 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:21,849 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:21,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:21,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,899 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2021-11-23 15:49:21,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:21,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:21,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:21,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:21,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:21,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:21,937 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:21,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:21,938 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:21" (1/1) ... [2021-11-23 15:49:21,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:21,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:21,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:21,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:49:22,086 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:22,088 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:22,192 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:49:22,206 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 15:49:22,211 INFO L158 Benchmark]: Toolchain (without parser) took 628.41ms. Allocated memory is still 96.5MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:22,211 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:22,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.54ms. Allocated memory is still 96.5MB. Free memory was 63.4MB in the beginning and 72.5MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:49:22,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.40ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 70.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:22,214 INFO L158 Benchmark]: Boogie Preprocessor took 35.55ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 70.2MB in the end (delta: 681.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:22,216 INFO L158 Benchmark]: RCFGBuilder took 272.17ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 61.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:49:22,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.54ms. Allocated memory is still 96.5MB. Free memory was 63.4MB in the beginning and 72.5MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.40ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 70.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.55ms. Allocated memory is still 96.5MB. Free memory was 70.9MB in the beginning and 70.2MB in the end (delta: 681.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.17ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 61.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:49:22,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/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_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/Mono6_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/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_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/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 d34109ac38ddcd69eb693c43509c1355293ac88c80ebd192d8e2af9a8be8f805 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:49:24,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:49:24,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:49:24,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:49:24,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:49:24,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:49:24,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:49:24,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:49:24,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:49:24,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:49:24,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:49:24,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:49:24,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:49:24,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:49:24,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:49:24,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:49:24,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:49:24,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:49:24,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:49:24,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:49:24,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:49:24,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:49:24,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:49:24,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:49:24,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:49:24,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:49:24,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:49:24,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:49:24,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:49:24,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:49:24,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:49:24,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:49:24,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:49:24,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:49:24,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:49:24,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:49:24,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:49:24,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:49:24,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:49:24,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:49:24,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:49:24,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:49:24,817 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:49:24,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:49:24,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:49:24,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:49:24,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:49:24,825 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:49:24,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:49:24,825 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:49:24,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:49:24,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:49:24,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:49:24,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:49:24,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:49:24,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:49:24,828 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:49:24,828 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:49:24,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:49:24,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:49:24,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:49:24,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:49:24,829 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:49:24,829 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:49:24,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:49:24,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:24,830 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:49:24,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:49:24,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:49:24,831 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:49:24,831 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:49:24,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:49:24,831 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:49:24,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:49:24,832 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_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d34109ac38ddcd69eb693c43509c1355293ac88c80ebd192d8e2af9a8be8f805 [2021-11-23 15:49:25,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:49:25,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:49:25,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:49:25,245 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:49:25,246 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:49:25,247 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loops-crafted-1/Mono6_1.c [2021-11-23 15:49:25,318 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/data/e4d99dd26/75a7d735112b4dc49c9fd58169dcb107/FLAGc353f2a80 [2021-11-23 15:49:25,772 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:49:25,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/sv-benchmarks/c/loops-crafted-1/Mono6_1.c [2021-11-23 15:49:25,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/data/e4d99dd26/75a7d735112b4dc49c9fd58169dcb107/FLAGc353f2a80 [2021-11-23 15:49:26,147 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/data/e4d99dd26/75a7d735112b4dc49c9fd58169dcb107 [2021-11-23 15:49:26,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:49:26,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:49:26,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:26,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:49:26,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:49:26,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4000a296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26, skipping insertion in model container [2021-11-23 15:49:26,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:49:26,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:49:26,311 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_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/sv-benchmarks/c/loops-crafted-1/Mono6_1.c[311,324] [2021-11-23 15:49:26,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:26,335 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:49:26,348 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_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/sv-benchmarks/c/loops-crafted-1/Mono6_1.c[311,324] [2021-11-23 15:49:26,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:49:26,367 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:49:26,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26 WrapperNode [2021-11-23 15:49:26,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:49:26,369 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:26,369 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:49:26,369 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:49:26,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,385 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,432 INFO L137 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2021-11-23 15:49:26,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:49:26,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:49:26,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:49:26,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:49:26,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:49:26,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:49:26,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:49:26,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:49:26,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:49:26" (1/1) ... [2021-11-23 15:49:26,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:49:26,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:49:26,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:49:26,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:49:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:49:26,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:49:26,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:49:26,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:49:26,611 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:49:26,613 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:49:26,772 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:49:26,786 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 15:49:26,796 INFO L158 Benchmark]: Toolchain (without parser) took 642.94ms. Allocated memory is still 73.4MB. Free memory was 54.5MB in the beginning and 46.3MB in the end (delta: 8.2MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:26,799 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:26,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.75ms. Allocated memory is still 73.4MB. Free memory was 54.3MB in the beginning and 44.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:49:26,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.87ms. Allocated memory is still 73.4MB. Free memory was 44.5MB in the beginning and 56.4MB in the end (delta: -11.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:49:26,803 INFO L158 Benchmark]: Boogie Preprocessor took 25.15ms. Allocated memory is still 73.4MB. Free memory was 56.4MB in the beginning and 55.4MB in the end (delta: 985.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:49:26,805 INFO L158 Benchmark]: RCFGBuilder took 333.53ms. Allocated memory is still 73.4MB. Free memory was 55.4MB in the beginning and 46.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:49:26,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.75ms. Allocated memory is still 73.4MB. Free memory was 54.3MB in the beginning and 44.7MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.87ms. Allocated memory is still 73.4MB. Free memory was 44.5MB in the beginning and 56.4MB in the end (delta: -11.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.15ms. Allocated memory is still 73.4MB. Free memory was 56.4MB in the beginning and 55.4MB in the end (delta: 985.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.53ms. Allocated memory is still 73.4MB. Free memory was 55.4MB in the beginning and 46.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:49:26,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_718ecce6-3cbd-4b61-b8a3-fc03db111fc4/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