./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/interleave_bits.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI --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 b8ee9428aad4e911e10cde7de8379310dde1b70a .................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:28:36,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:28:36,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:28:36,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:28:36,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:28:36,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:28:36,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:28:36,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:28:36,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:28:36,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:28:36,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:28:36,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:28:36,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:28:36,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:28:36,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:28:36,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:28:36,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:28:36,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:28:36,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:28:36,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:28:36,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:28:36,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:28:36,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:28:36,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:28:36,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:28:36,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:28:36,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:28:36,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:28:36,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:28:36,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:28:36,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:28:36,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:28:36,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:28:36,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:28:36,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:28:36,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:28:36,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:28:36,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:28:36,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:28:36,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:28:36,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:28:36,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-11 02:28:37,039 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:28:37,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:28:37,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:28:37,041 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:28:37,042 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:28:37,042 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:28:37,042 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:28:37,042 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:28:37,043 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:28:37,043 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:28:37,044 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:28:37,044 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:28:37,045 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:28:37,045 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:28:37,045 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:28:37,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:28:37,047 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:28:37,047 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:28:37,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:28:37,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:28:37,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:28:37,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:28:37,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:28:37,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:28:37,049 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 02:28:37,049 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:28:37,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:28:37,049 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:28:37,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:28:37,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:28:37,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:28:37,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:37,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:28:37,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:28:37,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:28:37,052 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:28:37,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:28:37,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:28:37,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:28:37,053 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:28:37,053 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_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8ee9428aad4e911e10cde7de8379310dde1b70a [2021-10-11 02:28:37,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:28:37,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:28:37,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:28:37,401 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:28:37,402 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:28:37,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/bitvector/interleave_bits.i [2021-10-11 02:28:37,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/data/8cae81168/5ffeefb979ac47a9b6cb550e4d19cb5d/FLAG5393fe36f [2021-10-11 02:28:38,035 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:28:38,037 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/sv-benchmarks/c/bitvector/interleave_bits.i [2021-10-11 02:28:38,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/data/8cae81168/5ffeefb979ac47a9b6cb550e4d19cb5d/FLAG5393fe36f [2021-10-11 02:28:38,386 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/data/8cae81168/5ffeefb979ac47a9b6cb550e4d19cb5d [2021-10-11 02:28:38,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:28:38,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:28:38,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:38,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:28:38,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:28:38,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:38" (1/1) ... [2021-10-11 02:28:38,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d891a15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38, skipping insertion in model container [2021-10-11 02:28:38,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:28:38" (1/1) ... [2021-10-11 02:28:38,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:28:38,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:28:38,617 WARN L226 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_3e8297a9-a003-45a6-80b3-d18ead24c8cf/sv-benchmarks/c/bitvector/interleave_bits.i[870,883] [2021-10-11 02:28:38,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:38,667 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:28:38,683 WARN L226 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_3e8297a9-a003-45a6-80b3-d18ead24c8cf/sv-benchmarks/c/bitvector/interleave_bits.i[870,883] [2021-10-11 02:28:38,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:28:38,718 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:28:38,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38 WrapperNode [2021-10-11 02:28:38,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:28:38,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:38,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:28:38,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:28:38,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38" (1/1) ... [2021-10-11 02:28:38,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38" (1/1) ... [2021-10-11 02:28:38,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:28:38,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:28:38,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:28:38,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:28:38,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38" (1/1) ... [2021-10-11 02:28:38,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38" (1/1) ... [2021-10-11 02:28:38,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38" (1/1) ... [2021-10-11 02:28:38,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38" (1/1) ... [2021-10-11 02:28:38,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38" (1/1) ... [2021-10-11 02:28:38,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38" (1/1) ... [2021-10-11 02:28:38,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38" (1/1) ... [2021-10-11 02:28:38,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:28:38,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:28:38,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:28:38,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:28:38,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:28:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:28:38,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:28:38,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:28:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:28:39,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:28:39,321 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 02:28:39,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:39 BoogieIcfgContainer [2021-10-11 02:28:39,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:28:39,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:28:39,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:28:39,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:28:39,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:28:38" (1/3) ... [2021-10-11 02:28:39,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e766f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:39, skipping insertion in model container [2021-10-11 02:28:39,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:28:38" (2/3) ... [2021-10-11 02:28:39,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e766f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:28:39, skipping insertion in model container [2021-10-11 02:28:39,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:39" (3/3) ... [2021-10-11 02:28:39,340 INFO L111 eAbstractionObserver]: Analyzing ICFG interleave_bits.i [2021-10-11 02:28:39,378 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:28:39,382 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-10-11 02:28:39,396 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2021-10-11 02:28:39,439 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:28:39,439 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:28:39,439 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:28:39,439 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:28:39,440 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:28:39,440 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:28:39,441 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:28:39,441 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:28:39,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2021-10-11 02:28:39,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:28:39,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2021-10-11 02:28:39,516 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:28:39,516 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:28:39,517 INFO L265 CegarLoopResult]: At program point L41-2(lines 41 44) the Hoare annotation is: true [2021-10-11 02:28:39,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:28:39 BoogieIcfgContainer [2021-10-11 02:28:39,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:28:39,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:28:39,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:28:39,527 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:28:39,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:28:39" (3/4) ... [2021-10-11 02:28:39,532 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:28:39,543 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-11 02:28:39,544 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-11 02:28:39,545 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:28:39,545 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:28:39,617 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8297a9-a003-45a6-80b3-d18ead24c8cf/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:28:39,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:28:39,621 INFO L168 Benchmark]: Toolchain (without parser) took 1228.00 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 56.0 MB in the beginning and 63.1 MB in the end (delta: -7.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:39,621 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 43.2 MB in the beginning and 43.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:39,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.74 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 55.8 MB in the beginning and 89.1 MB in the end (delta: -33.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:39,623 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.06 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 87.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:28:39,623 INFO L168 Benchmark]: Boogie Preprocessor took 60.35 ms. Allocated memory is still 113.2 MB. Free memory was 87.7 MB in the beginning and 86.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:39,625 INFO L168 Benchmark]: RCFGBuilder took 505.66 ms. Allocated memory is still 113.2 MB. Free memory was 86.6 MB in the beginning and 72.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:39,625 INFO L168 Benchmark]: TraceAbstraction took 200.63 ms. Allocated memory is still 113.2 MB. Free memory was 71.9 MB in the beginning and 65.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:39,626 INFO L168 Benchmark]: Witness Printer took 92.06 ms. Allocated memory is still 113.2 MB. Free memory was 65.6 MB in the beginning and 63.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:28:39,634 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 43.2 MB in the beginning and 43.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 322.74 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 55.8 MB in the beginning and 89.1 MB in the end (delta: -33.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.06 ms. Allocated memory is still 113.2 MB. Free memory was 89.1 MB in the beginning and 87.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.35 ms. Allocated memory is still 113.2 MB. Free memory was 87.7 MB in the beginning and 86.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 505.66 ms. Allocated memory is still 113.2 MB. Free memory was 86.6 MB in the beginning and 72.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 200.63 ms. Allocated memory is still 113.2 MB. Free memory was 71.9 MB in the beginning and 65.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 92.06 ms. Allocated memory is still 113.2 MB. Free memory was 65.6 MB in the beginning and 63.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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. - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...