./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/ludcmp.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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/ludcmp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/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 45bf8892eb23096ca55c36a274511a87f80900e96066e62793920cbba0252ec0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:26,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:26,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:27,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:27,002 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:27,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:27,009 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:27,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:27,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:27,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:27,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:27,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:27,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:27,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:27,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:27,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:27,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:27,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:27,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:27,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:27,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:27,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:27,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:27,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:27,070 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:27,071 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:27,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:27,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:27,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:27,076 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:27,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:27,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:27,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:27,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:27,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:27,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:27,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:27,085 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:27,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:27,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:27,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:27,088 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:50:27,142 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:27,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:27,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:27,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:27,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:27,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:27,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:27,146 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:27,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:50:27,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:27,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:27,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:27,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:27,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:27,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:27,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:27,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:27,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:27,155 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:27,155 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:27,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:27,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:27,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:27,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:27,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:27,157 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:50:27,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:50:27,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:27,157 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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45bf8892eb23096ca55c36a274511a87f80900e96066e62793920cbba0252ec0 [2021-11-23 15:50:27,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:27,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:27,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:27,459 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:27,460 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:27,462 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loops/ludcmp.c [2021-11-23 15:50:27,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/data/d91e42fe6/d41c179f62654f71b4bc95f724694c58/FLAGf210c45c7 [2021-11-23 15:50:27,985 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:27,986 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/sv-benchmarks/c/loops/ludcmp.c [2021-11-23 15:50:27,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/data/d91e42fe6/d41c179f62654f71b4bc95f724694c58/FLAGf210c45c7 [2021-11-23 15:50:28,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/data/d91e42fe6/d41c179f62654f71b4bc95f724694c58 [2021-11-23 15:50:28,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:28,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:28,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:28,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:28,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:28,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cedf749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28, skipping insertion in model container [2021-11-23 15:50:28,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:28,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:28,568 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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/sv-benchmarks/c/loops/ludcmp.c[318,331] [2021-11-23 15:50:28,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:28,626 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:28,638 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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/sv-benchmarks/c/loops/ludcmp.c[318,331] [2021-11-23 15:50:28,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:28,678 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:28,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28 WrapperNode [2021-11-23 15:50:28,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:28,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:28,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:28,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:28,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,731 INFO L137 Inliner]: procedures = 17, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 224 [2021-11-23 15:50:28,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:28,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:28,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:28,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:28,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:28,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:28,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:28,815 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:28,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:28" (1/1) ... [2021-11-23 15:50:28,824 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:28,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:28,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:28,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:50:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:50:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-23 15:50:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-23 15:50:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:50:29,030 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:29,032 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:29,354 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:29,392 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 15:50:29,397 INFO L158 Benchmark]: Toolchain (without parser) took 1034.68ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 61.3MB in the end (delta: 9.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 15:50:29,399 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:29,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.76ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 81.6MB in the end (delta: -11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:50:29,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.00ms. Allocated memory is still 109.1MB. Free memory was 81.6MB in the beginning and 79.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:29,404 INFO L158 Benchmark]: Boogie Preprocessor took 80.93ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 77.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:29,405 INFO L158 Benchmark]: RCFGBuilder took 581.39ms. Allocated memory is still 109.1MB. Free memory was 77.4MB in the beginning and 61.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:50:29,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory is still 87.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.76ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 81.6MB in the end (delta: -11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.00ms. Allocated memory is still 109.1MB. Free memory was 81.6MB in the beginning and 79.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.93ms. Allocated memory is still 109.1MB. Free memory was 79.2MB in the beginning and 77.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.39ms. Allocated memory is still 109.1MB. Free memory was 77.4MB in the beginning and 61.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. 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 15:50:29,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/ludcmp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/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 45bf8892eb23096ca55c36a274511a87f80900e96066e62793920cbba0252ec0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:31,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:31,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:31,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:31,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:31,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:31,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:31,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:31,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:31,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:31,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:31,908 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:31,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:31,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:31,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:31,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:31,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:31,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:31,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:31,931 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:31,933 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:31,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:31,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:31,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:31,948 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:31,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:31,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:31,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:31,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:31,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:31,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:31,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:31,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:31,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:31,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:31,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:31,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:31,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:31,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:31,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:31,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:31,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:50:32,009 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:32,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:32,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:32,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:32,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:32,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:32,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:32,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:32,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:32,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:32,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:32,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:32,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:32,016 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:50:32,016 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:50:32,017 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:50:32,017 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:32,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:32,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:32,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:32,018 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:32,018 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:32,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:32,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:32,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:32,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:32,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:32,019 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:50:32,019 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:50:32,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:32,020 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:50:32,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:50:32,020 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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45bf8892eb23096ca55c36a274511a87f80900e96066e62793920cbba0252ec0 [2021-11-23 15:50:32,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:32,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:32,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:32,418 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:32,419 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:32,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loops/ludcmp.c [2021-11-23 15:50:32,498 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/data/e13d16e0d/ae17125999f64f77bcf3bc04811dfa52/FLAGbdcd83872 [2021-11-23 15:50:33,023 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:33,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/sv-benchmarks/c/loops/ludcmp.c [2021-11-23 15:50:33,037 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/data/e13d16e0d/ae17125999f64f77bcf3bc04811dfa52/FLAGbdcd83872 [2021-11-23 15:50:33,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/data/e13d16e0d/ae17125999f64f77bcf3bc04811dfa52 [2021-11-23 15:50:33,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:33,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:33,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:33,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:33,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:33,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ece0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33, skipping insertion in model container [2021-11-23 15:50:33,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:33,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:33,587 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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/sv-benchmarks/c/loops/ludcmp.c[318,331] [2021-11-23 15:50:33,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:33,690 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:33,708 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_3bf27048-a00c-4c43-bf0d-34b16a018ba5/sv-benchmarks/c/loops/ludcmp.c[318,331] [2021-11-23 15:50:33,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:33,784 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:33,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33 WrapperNode [2021-11-23 15:50:33,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:33,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:33,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:33,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:33,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,866 INFO L137 Inliner]: procedures = 18, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 224 [2021-11-23 15:50:33,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:33,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:33,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:33,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:33,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:33,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:33,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:33,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:33,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:33" (1/1) ... [2021-11-23 15:50:33,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:33,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:33,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:34,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-23 15:50:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-23 15:50:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:50:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:50:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:34,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:50:34,190 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:34,211 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:27,748 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:27,785 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 15:51:27,794 INFO L158 Benchmark]: Toolchain (without parser) took 54426.03ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 41.6MB in the end (delta: 10.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-23 15:51:27,797 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 69.0MB in the beginning and 68.9MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:27,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.51ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 68.9MB in the end (delta: -16.5MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-11-23 15:51:27,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.87ms. Allocated memory is still 88.1MB. Free memory was 68.9MB in the beginning and 66.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:27,800 INFO L158 Benchmark]: Boogie Preprocessor took 85.05ms. Allocated memory is still 88.1MB. Free memory was 66.5MB in the beginning and 64.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:27,800 INFO L158 Benchmark]: RCFGBuilder took 53837.27ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 41.6MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:27,803 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 69.0MB in the beginning and 68.9MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.51ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 68.9MB in the end (delta: -16.5MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.87ms. Allocated memory is still 88.1MB. Free memory was 68.9MB in the beginning and 66.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.05ms. Allocated memory is still 88.1MB. Free memory was 66.5MB in the beginning and 64.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 53837.27ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 41.6MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:27,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bf27048-a00c-4c43-bf0d-34b16a018ba5/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