./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/interleave_bits.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/interleave_bits.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta --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 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:22:54,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:22:54,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:22:54,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:22:54,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:22:54,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:22:54,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:22:54,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:22:54,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:22:54,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:22:54,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:22:54,346 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:22:54,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:22:54,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:22:54,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:22:54,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:22:54,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:22:54,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:22:54,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:22:54,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:22:54,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:22:54,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:22:54,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:22:54,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:22:54,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:22:54,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:22:54,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:22:54,392 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:22:54,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:22:54,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:22:54,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:22:54,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:22:54,399 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:22:54,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:22:54,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:22:54,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:22:54,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:22:54,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:22:54,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:22:54,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:22:54,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:22:54,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-10-17 17:22:54,475 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:22:54,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:22:54,476 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:22:54,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:22:54,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:22:54,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:22:54,478 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:22:54,478 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:22:54,478 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:22:54,479 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:22:54,480 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:22:54,480 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:22:54,480 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:22:54,481 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:22:54,481 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:22:54,481 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:22:54,482 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:22:54,482 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:22:54,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:22:54,483 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:22:54,483 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:22:54,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:22:54,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:22:54,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:22:54,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:22:54,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:22:54,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:22:54,485 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 17:22:54,505 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:22:54,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:22:54,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:22:54,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:22:54,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:22:54,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:22:54,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:22:54,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:22:54,508 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:22:54,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:22:54,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:22:54,508 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:22:54,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:22:54,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:22:54,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:22:54,509 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_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41cbcdfa6f09b615c08bb2dbf908be5e0a68dc8c6a10c0ba76a3c4e4c07e69fb [2022-10-17 17:22:54,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:22:54,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:22:54,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:22:54,823 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:22:54,823 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:22:54,825 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/bitvector/interleave_bits.i [2022-10-17 17:22:54,889 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/data/279d7c781/00cded0f475c45f5b43c1f78d34dd7da/FLAG64e2341e6 [2022-10-17 17:22:55,319 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:22:55,320 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/sv-benchmarks/c/bitvector/interleave_bits.i [2022-10-17 17:22:55,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/data/279d7c781/00cded0f475c45f5b43c1f78d34dd7da/FLAG64e2341e6 [2022-10-17 17:22:55,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/data/279d7c781/00cded0f475c45f5b43c1f78d34dd7da [2022-10-17 17:22:55,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:22:55,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:22:55,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:22:55,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:22:55,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:22:55,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a6a174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:55, skipping insertion in model container [2022-10-17 17:22:55,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:22:55" (1/1) ... [2022-10-17 17:22:55,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:22:55,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:22:55,974 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_bae64b58-0232-4d5c-b1d5-58e566dd907d/sv-benchmarks/c/bitvector/interleave_bits.i[1175,1188] [2022-10-17 17:22:56,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:22:56,055 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:22:56,066 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_bae64b58-0232-4d5c-b1d5-58e566dd907d/sv-benchmarks/c/bitvector/interleave_bits.i[1175,1188] [2022-10-17 17:22:56,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:22:56,093 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:22:56,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56 WrapperNode [2022-10-17 17:22:56,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:22:56,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:22:56,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:22:56,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:22:56,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (1/1) ... [2022-10-17 17:22:56,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (1/1) ... [2022-10-17 17:22:56,186 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 141 [2022-10-17 17:22:56,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:22:56,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:22:56,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:22:56,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:22:56,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (1/1) ... [2022-10-17 17:22:56,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (1/1) ... [2022-10-17 17:22:56,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (1/1) ... [2022-10-17 17:22:56,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (1/1) ... [2022-10-17 17:22:56,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (1/1) ... [2022-10-17 17:22:56,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (1/1) ... [2022-10-17 17:22:56,261 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (1/1) ... [2022-10-17 17:22:56,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (1/1) ... [2022-10-17 17:22:56,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:22:56,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:22:56,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:22:56,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:22:56,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (1/1) ... [2022-10-17 17:22:56,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:22:56,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:22:56,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:22:56,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:22:56,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:22:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:22:56,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:22:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:22:56,449 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:22:56,452 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:22:57,031 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:22:57,595 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:22:57,595 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:22:57,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:22:57 BoogieIcfgContainer [2022-10-17 17:22:57,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:22:57,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:22:57,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:22:57,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:22:57,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:22:55" (1/3) ... [2022-10-17 17:22:57,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f162fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:22:57, skipping insertion in model container [2022-10-17 17:22:57,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:22:56" (2/3) ... [2022-10-17 17:22:57,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f162fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:22:57, skipping insertion in model container [2022-10-17 17:22:57,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:22:57" (3/3) ... [2022-10-17 17:22:57,609 INFO L112 eAbstractionObserver]: Analyzing ICFG interleave_bits.i [2022-10-17 17:22:57,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:22:57,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-10-17 17:22:57,634 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f162fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 05:22:57, skipping insertion in model container [2022-10-17 17:22:57,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 17:22:57,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:22:57,636 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:22:57,636 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:22:57,637 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:22:57" (3/3) ... [2022-10-17 17:22:57,641 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:22:57,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2022-10-17 17:22:57,666 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-10-17 17:22:57,667 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 17:22:57,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 17:22:57,789 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/witness.graphml [2022-10-17 17:22:57,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:22:57,791 INFO L158 Benchmark]: Toolchain (without parser) took 2052.34ms. Allocated memory was 98.6MB in the beginning and 138.4MB in the end (delta: 39.8MB). Free memory was 52.3MB in the beginning and 92.7MB in the end (delta: -40.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:22:57,791 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:22:57,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.74ms. Allocated memory is still 98.6MB. Free memory was 52.1MB in the beginning and 70.3MB in the end (delta: -18.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.81ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 57.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,795 INFO L158 Benchmark]: Boogie Preprocessor took 96.67ms. Allocated memory is still 98.6MB. Free memory was 57.8MB in the beginning and 49.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,796 INFO L158 Benchmark]: RCFGBuilder took 1313.66ms. Allocated memory was 98.6MB in the beginning and 138.4MB in the end (delta: 39.8MB). Free memory was 49.4MB in the beginning and 99.2MB in the end (delta: -49.8MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,796 INFO L158 Benchmark]: TraceAbstraction took 33.70ms. Allocated memory is still 138.4MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,797 INFO L158 Benchmark]: Witness Printer took 153.69ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 92.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:22:57,799 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 98.6MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.74ms. Allocated memory is still 98.6MB. Free memory was 52.1MB in the beginning and 70.3MB in the end (delta: -18.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.81ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 57.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.67ms. Allocated memory is still 98.6MB. Free memory was 57.8MB in the beginning and 49.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1313.66ms. Allocated memory was 98.6MB in the beginning and 138.4MB in the end (delta: 39.8MB). Free memory was 49.4MB in the beginning and 99.2MB in the end (delta: -49.8MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * TraceAbstraction took 33.70ms. Allocated memory is still 138.4MB. Free memory was 99.2MB in the beginning and 97.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 153.69ms. Allocated memory is still 138.4MB. Free memory was 97.1MB in the beginning and 92.7MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-10-17 17:22:57,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bae64b58-0232-4d5c-b1d5-58e566dd907d/bin/utaipan-G1rejxKTta/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 Writing output log to file Ultimate.log Result: TRUE