./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/jain_4-2.c --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_9a1cc409-70cf-4781-b8a5-98558dafa581/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/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_9a1cc409-70cf-4781-b8a5-98558dafa581/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/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_9a1cc409-70cf-4781-b8a5-98558dafa581/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 50877d5973732425843dd90649ca5203953d931d .................................................................................................................................................................................................................................... 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 02:31:31,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:31,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:31,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:31,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:31,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:31,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:31,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:31,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:31,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:31,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:31,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:31,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:31,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:31,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:31,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:32,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:32,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:32,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:32,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:32,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:32,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:32,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:32,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:32,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:32,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:32,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:32,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:32,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:32,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:32,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:32,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:32,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:32,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:32,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:32,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:32,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:32,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:32,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:32,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:32,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:32,031 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-11 02:31:32,058 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:32,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:32,059 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:32,060 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:32,060 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:32,061 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:32,061 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:32,061 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:32,062 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:32,062 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:32,063 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:32,063 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:32,063 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:32,064 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:32,064 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:32,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:32,065 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:32,066 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:31:32,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:32,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:32,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:32,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:32,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:32,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:32,067 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 02:31:32,067 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:32,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:32,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:32,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:32,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:32,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:32,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:32,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:32,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:32,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:32,070 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:32,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:32,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:32,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:32,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:32,071 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_9a1cc409-70cf-4781-b8a5-98558dafa581/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50877d5973732425843dd90649ca5203953d931d [2021-10-11 02:31:32,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:32,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:32,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:32,411 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:32,412 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:32,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/bitvector/jain_4-2.c [2021-10-11 02:31:32,478 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/bin/utaipan-WLngWcDbfI/data/bba090635/84567208f2c64cbf9e8902ae01dc4b85/FLAG12b1d85f4 [2021-10-11 02:31:32,907 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:32,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/sv-benchmarks/c/bitvector/jain_4-2.c [2021-10-11 02:31:32,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/bin/utaipan-WLngWcDbfI/data/bba090635/84567208f2c64cbf9e8902ae01dc4b85/FLAG12b1d85f4 [2021-10-11 02:31:33,309 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/bin/utaipan-WLngWcDbfI/data/bba090635/84567208f2c64cbf9e8902ae01dc4b85 [2021-10-11 02:31:33,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:33,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:33,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:33,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:33,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:33,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6579fbe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33, skipping insertion in model container [2021-10-11 02:31:33,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:33,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:33,510 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_9a1cc409-70cf-4781-b8a5-98558dafa581/sv-benchmarks/c/bitvector/jain_4-2.c[370,383] [2021-10-11 02:31:33,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:33,526 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:33,536 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_9a1cc409-70cf-4781-b8a5-98558dafa581/sv-benchmarks/c/bitvector/jain_4-2.c[370,383] [2021-10-11 02:31:33,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:33,551 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:33,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33 WrapperNode [2021-10-11 02:31:33,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:33,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:33,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:33,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:33,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:33,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:33,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:33,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:33,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:33,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:33,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:33,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:33,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/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 02:31:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:33,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:33,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:31:33,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:34,062 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:34,062 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 02:31:34,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:34 BoogieIcfgContainer [2021-10-11 02:31:34,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:34,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:34,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:34,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:34,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:33" (1/3) ... [2021-10-11 02:31:34,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682b52e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:34, skipping insertion in model container [2021-10-11 02:31:34,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33" (2/3) ... [2021-10-11 02:31:34,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682b52e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:34, skipping insertion in model container [2021-10-11 02:31:34,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:34" (3/3) ... [2021-10-11 02:31:34,072 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_4-2.c [2021-10-11 02:31:34,086 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:34,089 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-10-11 02:31:34,099 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2021-10-11 02:31:34,121 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:34,122 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:34,122 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:34,122 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:34,122 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:34,122 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:34,122 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:34,123 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:34,134 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2021-10-11 02:31:34,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:31:34,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2021-10-11 02:31:34,180 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:31:34,180 INFO L265 CegarLoopResult]: At program point L7-2(lines 6 27) the Hoare annotation is: true [2021-10-11 02:31:34,181 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:31:34,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:34 BoogieIcfgContainer [2021-10-11 02:31:34,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:34,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:34,189 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:34,190 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:34,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:34" (3/4) ... [2021-10-11 02:31:34,196 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:31:34,205 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-10-11 02:31:34,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-11 02:31:34,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-11 02:31:34,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:31:34,267 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1cc409-70cf-4781-b8a5-98558dafa581/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:34,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:34,269 INFO L168 Benchmark]: Toolchain (without parser) took 955.27 ms. Allocated memory is still 94.4 MB. Free memory was 54.5 MB in the beginning and 44.8 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:34,270 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 70.8 MB in the beginning and 70.8 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:34,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.19 ms. Allocated memory is still 94.4 MB. Free memory was 54.3 MB in the beginning and 70.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:34,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.91 ms. Allocated memory is still 94.4 MB. Free memory was 70.5 MB in the beginning and 69.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:34,271 INFO L168 Benchmark]: Boogie Preprocessor took 43.33 ms. Allocated memory is still 94.4 MB. Free memory was 69.5 MB in the beginning and 68.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:34,272 INFO L168 Benchmark]: RCFGBuilder took 418.60 ms. Allocated memory is still 94.4 MB. Free memory was 68.3 MB in the beginning and 54.1 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:34,273 INFO L168 Benchmark]: TraceAbstraction took 122.76 ms. Allocated memory is still 94.4 MB. Free memory was 53.7 MB in the beginning and 47.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:34,273 INFO L168 Benchmark]: Witness Printer took 78.18 ms. Allocated memory is still 94.4 MB. Free memory was 47.3 MB in the beginning and 44.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:34,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 70.8 MB in the beginning and 70.8 MB in the end (delta: 76.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 237.19 ms. Allocated memory is still 94.4 MB. Free memory was 54.3 MB in the beginning and 70.9 MB in the end (delta: -16.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.91 ms. Allocated memory is still 94.4 MB. Free memory was 70.5 MB in the beginning and 69.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.33 ms. Allocated memory is still 94.4 MB. Free memory was 69.5 MB in the beginning and 68.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 418.60 ms. Allocated memory is still 94.4 MB. Free memory was 68.3 MB in the beginning and 54.1 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 122.76 ms. Allocated memory is still 94.4 MB. Free memory was 53.7 MB in the beginning and 47.3 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 78.18 ms. Allocated memory is still 94.4 MB. Free memory was 47.3 MB in the beginning and 44.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 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: 6]: 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...