./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Gothenburg-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/Gothenburg-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5bac0a9d22e170e26d469b8980e31490c504b2f945946e1faa03477caf08b9bb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:47:19,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:47:19,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:47:19,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:47:19,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:47:19,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:47:19,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:47:19,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:47:19,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:47:19,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:47:19,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:47:19,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:47:19,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:47:19,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:47:19,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:47:19,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:47:19,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:47:19,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:47:19,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:47:19,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:47:19,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:47:19,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:47:19,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:47:19,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:47:19,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:47:19,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:47:19,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:47:19,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:47:19,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:47:19,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:47:19,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:47:19,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:47:19,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:47:19,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:47:19,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:47:19,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:47:19,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:47:19,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:47:19,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:47:19,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:47:19,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:47:19,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-23 16:47:19,874 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:47:19,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:47:19,874 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:47:19,875 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:47:19,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:47:19,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:47:19,876 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:47:19,876 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:47:19,876 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:47:19,876 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:47:19,881 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:47:19,881 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:47:19,881 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:47:19,882 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:47:19,882 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:47:19,882 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:47:19,882 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:47:19,882 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:47:19,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:47:19,883 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:47:19,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:47:19,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:47:19,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:47:19,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:47:19,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:47:19,884 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 16:47:19,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:47:19,884 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:47:19,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:47:19,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:47:19,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:47:19,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:19,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:47:19,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:47:19,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:47:19,885 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:47:19,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:47:19,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:47:19,886 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:47:19,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:47:19,886 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bac0a9d22e170e26d469b8980e31490c504b2f945946e1faa03477caf08b9bb [2021-11-23 16:47:20,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:47:20,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:47:20,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:47:20,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:47:20,171 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:47:20,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/termination-crafted/Gothenburg-2.c [2021-11-23 16:47:20,239 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/data/2ae496223/5d9c739eef8b4fdca797471b1be8dbf0/FLAG3e9812f4e [2021-11-23 16:47:20,698 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:47:20,699 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/sv-benchmarks/c/termination-crafted/Gothenburg-2.c [2021-11-23 16:47:20,704 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/data/2ae496223/5d9c739eef8b4fdca797471b1be8dbf0/FLAG3e9812f4e [2021-11-23 16:47:21,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/data/2ae496223/5d9c739eef8b4fdca797471b1be8dbf0 [2021-11-23 16:47:21,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:47:21,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:47:21,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:21,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:47:21,106 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:47:21,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38823f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21, skipping insertion in model container [2021-11-23 16:47:21,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:47:21,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:47:21,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:21,296 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:47:21,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:47:21,335 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:47:21,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21 WrapperNode [2021-11-23 16:47:21,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:47:21,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:21,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:47:21,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:47:21,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,371 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2021-11-23 16:47:21,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:47:21,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:47:21,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:47:21,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:47:21,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:47:21,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:47:21,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:47:21,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:47:21,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:47:21" (1/1) ... [2021-11-23 16:47:21,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:47:21,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:47:21,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:47:21,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:47:21,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:47:21,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:47:21,572 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:47:21,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:47:21,686 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:47:21,702 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 16:47:21,707 INFO L158 Benchmark]: Toolchain (without parser) took 605.49ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 62.3MB in the end (delta: 3.0MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2021-11-23 16:47:21,708 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:21,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.59ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 74.3MB in the end (delta: -9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 16:47:21,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.86ms. Allocated memory is still 98.6MB. Free memory was 74.3MB in the beginning and 73.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:47:21,711 INFO L158 Benchmark]: Boogie Preprocessor took 40.24ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:47:21,712 INFO L158 Benchmark]: RCFGBuilder took 291.19ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 62.3MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 16:47:21,716 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 53.2MB in the beginning and 53.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.59ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 74.3MB in the end (delta: -9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.86ms. Allocated memory is still 98.6MB. Free memory was 74.3MB in the beginning and 73.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.24ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.19ms. Allocated memory is still 98.6MB. Free memory was 72.0MB in the beginning and 62.3MB in the end (delta: 9.6MB). 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 16:47:21,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e90a6656-a2d7-4800-a726-2125cc34bbe5/bin/utaipan-fb15Y9Yzbl/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable