./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_b5_o10-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_b5_o10-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF --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 32bit --witnessprinter.graph.data.programhash 3ffe9d53e7df9ed7c01a08260077d50503ae990d73f9d5314e3d980848a06263 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:18:02,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:18:02,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:18:02,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:18:02,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:18:02,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:18:02,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:18:02,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:18:02,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:18:02,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:18:02,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:18:02,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:18:02,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:18:02,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:18:02,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:18:02,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:18:02,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:18:02,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:18:02,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:18:02,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:18:02,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:18:02,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:18:02,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:18:02,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:18:02,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:18:02,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:18:02,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:18:02,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:18:02,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:18:02,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:18:02,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:18:02,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:18:02,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:18:02,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:18:02,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:18:02,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:18:02,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:18:02,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:18:02,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:18:02,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:18:02,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:18:02,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-12 23:18:02,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:18:02,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:18:02,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:18:02,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:18:02,830 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:18:02,831 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:18:02,831 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:18:02,831 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:18:02,831 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:18:02,832 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:18:02,832 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:18:02,832 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:18:02,832 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:18:02,833 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:18:02,833 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:18:02,834 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:18:02,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:18:02,838 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:18:02,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-12 23:18:02,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:18:02,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:18:02,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:18:02,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:18:02,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:18:02,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:18:02,840 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-12 23:18:02,840 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:18:02,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:18:02,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:18:02,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:18:02,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:18:02,843 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:18:02,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:18:02,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:18:02,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:18:02,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:18:02,844 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:18:02,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:18:02,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:18:02,845 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:18:02,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:18:02,846 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_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ffe9d53e7df9ed7c01a08260077d50503ae990d73f9d5314e3d980848a06263 [2021-11-12 23:18:03,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:18:03,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:18:03,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:18:03,159 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:18:03,160 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:18:03,161 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/recursive-simple/id_b5_o10-1.c [2021-11-12 23:18:03,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/data/f3df24e6b/4769bbeeef344978a9b6a958ea9f17f5/FLAG8f691a1c6 [2021-11-12 23:18:03,682 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:18:03,682 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/sv-benchmarks/c/recursive-simple/id_b5_o10-1.c [2021-11-12 23:18:03,688 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/data/f3df24e6b/4769bbeeef344978a9b6a958ea9f17f5/FLAG8f691a1c6 [2021-11-12 23:18:04,075 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/data/f3df24e6b/4769bbeeef344978a9b6a958ea9f17f5 [2021-11-12 23:18:04,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:18:04,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:18:04,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:18:04,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:18:04,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:18:04,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c259f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04, skipping insertion in model container [2021-11-12 23:18:04,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:18:04,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:18:04,266 WARN L228 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_3f66cc4f-b16c-440c-9360-fac163fabb5d/sv-benchmarks/c/recursive-simple/id_b5_o10-1.c[516,529] [2021-11-12 23:18:04,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:18:04,276 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:18:04,290 WARN L228 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_3f66cc4f-b16c-440c-9360-fac163fabb5d/sv-benchmarks/c/recursive-simple/id_b5_o10-1.c[516,529] [2021-11-12 23:18:04,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:18:04,311 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:18:04,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04 WrapperNode [2021-11-12 23:18:04,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:18:04,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:18:04,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:18:04,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:18:04,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:18:04,356 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:18:04,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:18:04,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:18:04,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:18:04,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:18:04,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:18:04,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:18:04,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04" (1/1) ... [2021-11-12 23:18:04,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:18:04,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:18:04,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:18:04,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:18:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:18:04,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:18:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:18:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-12 23:18:04,467 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-12 23:18:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:18:04,647 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:18:04,647 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 23:18:04,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:18:04 BoogieIcfgContainer [2021-11-12 23:18:04,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:18:04,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:18:04,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:18:04,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:18:04,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:18:04" (1/3) ... [2021-11-12 23:18:04,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d29068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:18:04, skipping insertion in model container [2021-11-12 23:18:04,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:18:04" (2/3) ... [2021-11-12 23:18:04,657 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45d29068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:18:04, skipping insertion in model container [2021-11-12 23:18:04,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:18:04" (3/3) ... [2021-11-12 23:18:04,658 INFO L111 eAbstractionObserver]: Analyzing ICFG id_b5_o10-1.c [2021-11-12 23:18:04,663 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:18:04,664 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-12 23:18:04,766 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:18:04,790 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:18:04,790 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-12 23:18:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.5) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:18:04,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-12 23:18:04,810 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:04,811 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-12 23:18:04,811 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-11-12 23:18:04,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:04,817 INFO L85 PathProgramCache]: Analyzing trace with hash 66627700, now seen corresponding path program 1 times [2021-11-12 23:18:04,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:04,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765138965] [2021-11-12 23:18:04,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:04,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:18:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:18:04,997 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:18:04,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765138965] [2021-11-12 23:18:04,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765138965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:18:04,999 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:18:04,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:18:05,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565501095] [2021-11-12 23:18:05,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:18:05,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:18:05,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:18:05,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:18:05,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-12 23:18:05,035 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.5) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:05,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:18:05,100 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2021-11-12 23:18:05,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-12 23:18:05,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-12 23:18:05,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:18:05,110 INFO L225 Difference]: With dead ends: 18 [2021-11-12 23:18:05,111 INFO L226 Difference]: Without dead ends: 15 [2021-11-12 23:18:05,114 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:18:05,118 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 23 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.68ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.30ms IncrementalHoareTripleChecker+Time [2021-11-12 23:18:05,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 14 Invalid, 30 Unknown, 0 Unchecked, 1.68ms Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 34.30ms Time] [2021-11-12 23:18:05,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-12 23:18:05,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-12 23:18:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-12 23:18:05,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-11-12 23:18:05,151 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 5 [2021-11-12 23:18:05,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:18:05,152 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-11-12 23:18:05,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:18:05,152 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-11-12 23:18:05,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-12 23:18:05,152 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:18:05,152 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-12 23:18:05,153 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:18:05,153 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-11-12 23:18:05,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:18:05,154 INFO L85 PathProgramCache]: Analyzing trace with hash 2065458753, now seen corresponding path program 1 times [2021-11-12 23:18:05,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:18:05,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048016972] [2021-11-12 23:18:05,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:18:05,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:18:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:18:05,178 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:18:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:18:05,211 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:18:05,211 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:18:05,213 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2021-11-12 23:18:05,215 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2021-11-12 23:18:05,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2021-11-12 23:18:05,216 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2021-11-12 23:18:05,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:18:05,220 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-12 23:18:05,223 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:18:05,232 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) 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) [2021-11-12 23:18:05,234 INFO L158 Benchmark]: Toolchain (without parser) took 1154.43ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 32.1MB in the end (delta: 19.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2021-11-12 23:18:05,234 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:18:05,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.10ms. Allocated memory is still 94.4MB. Free memory was 51.0MB in the beginning and 70.6MB in the end (delta: -19.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 23:18:05,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.84ms. Allocated memory is still 94.4MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:18:05,236 INFO L158 Benchmark]: Boogie Preprocessor took 18.35ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 68.5MB in the end (delta: 754.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:18:05,237 INFO L158 Benchmark]: RCFGBuilder took 275.08ms. Allocated memory is still 94.4MB. Free memory was 68.2MB in the beginning and 57.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:18:05,238 INFO L158 Benchmark]: TraceAbstraction took 581.59ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 32.1MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-12 23:18:05,241 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.10ms. Allocated memory is still 94.4MB. Free memory was 51.0MB in the beginning and 70.6MB in the end (delta: -19.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.84ms. Allocated memory is still 94.4MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.35ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 68.5MB in the end (delta: 754.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.08ms. Allocated memory is still 94.4MB. Free memory was 68.2MB in the beginning and 57.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 581.59ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 32.1MB in the end (delta: 25.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:18:05,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/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_3f66cc4f-b16c-440c-9360-fac163fabb5d/bin/utaipan-vmNK8stdcF/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null