./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce82bd2068c431a8a58717550c5ca3a1f22bb267 ..................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#length_27| --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:47:18,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:47:18,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:47:18,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:47:18,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:47:18,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:47:18,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:47:18,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:47:18,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:47:18,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:47:18,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:47:18,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:47:18,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:47:18,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:47:18,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:47:18,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:47:18,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:47:18,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:47:18,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:47:18,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:47:18,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:47:18,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:47:18,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:47:18,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:47:18,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:47:18,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:47:18,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:47:18,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:47:18,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:47:18,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:47:18,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:47:18,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:47:18,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:47:18,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:47:18,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:47:18,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:47:18,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:47:18,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:47:18,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:47:18,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:47:18,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:47:18,482 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-16 02:47:18,521 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:47:18,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:47:18,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:47:18,527 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:47:18,528 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:47:18,528 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:47:18,528 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:47:18,528 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:47:18,536 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:47:18,537 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:47:18,538 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:47:18,539 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:47:18,539 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:47:18,539 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:47:18,540 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:47:18,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:47:18,541 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:47:18,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:47:18,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:47:18,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:47:18,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:47:18,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:47:18,543 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-16 02:47:18,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:47:18,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:47:18,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:47:18,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:47:18,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:47:18,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:47:18,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:47:18,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:47:18,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:47:18,546 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:47:18,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:47:18,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:47:18,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:47:18,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:47:18,547 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_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce82bd2068c431a8a58717550c5ca3a1f22bb267 [2021-10-16 02:47:18,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:47:18,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:47:18,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:47:18,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:47:18,924 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:47:18,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-10-16 02:47:19,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/data/d1af516de/57975b495ba84a2cabbe6a98636b1568/FLAG14b44740e [2021-10-16 02:47:19,801 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:47:19,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-10-16 02:47:19,839 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/data/d1af516de/57975b495ba84a2cabbe6a98636b1568/FLAG14b44740e [2021-10-16 02:47:19,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/data/d1af516de/57975b495ba84a2cabbe6a98636b1568 [2021-10-16 02:47:19,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:47:19,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:47:19,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:47:19,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:47:19,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:47:19,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:47:19" (1/1) ... [2021-10-16 02:47:19,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574f08af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:19, skipping insertion in model container [2021-10-16 02:47:19,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:47:19" (1/1) ... [2021-10-16 02:47:19,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:47:20,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:47:20,713 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-10-16 02:47:20,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:47:20,818 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:47:20,906 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-10-16 02:47:20,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:47:21,117 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:47:21,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21 WrapperNode [2021-10-16 02:47:21,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:47:21,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:47:21,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:47:21,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:47:21,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21" (1/1) ... [2021-10-16 02:47:21,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21" (1/1) ... [2021-10-16 02:47:21,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:47:21,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:47:21,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:47:21,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:47:21,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21" (1/1) ... [2021-10-16 02:47:21,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21" (1/1) ... [2021-10-16 02:47:21,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21" (1/1) ... [2021-10-16 02:47:21,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21" (1/1) ... [2021-10-16 02:47:21,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21" (1/1) ... [2021-10-16 02:47:21,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21" (1/1) ... [2021-10-16 02:47:21,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21" (1/1) ... [2021-10-16 02:47:21,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:47:21,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:47:21,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:47:21,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:47:21,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21" (1/1) ... [2021-10-16 02:47:21,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:47:21,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:47:21,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:47:21,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:47:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:47:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-16 02:47:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:47:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-16 02:47:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-16 02:47:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 02:47:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-10-16 02:47:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 02:47:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:47:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:47:21,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:47:23,180 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:47:23,180 INFO L299 CfgBuilder]: Removed 30 assume(true) statements. [2021-10-16 02:47:23,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:47:23 BoogieIcfgContainer [2021-10-16 02:47:23,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:47:23,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:47:23,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:47:23,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:47:23,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:47:19" (1/3) ... [2021-10-16 02:47:23,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5276e079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:47:23, skipping insertion in model container [2021-10-16 02:47:23,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:47:21" (2/3) ... [2021-10-16 02:47:23,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5276e079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:47:23, skipping insertion in model container [2021-10-16 02:47:23,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:47:23" (3/3) ... [2021-10-16 02:47:23,196 INFO L111 eAbstractionObserver]: Analyzing ICFG basename-2.i [2021-10-16 02:47:23,203 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:47:23,204 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-10-16 02:47:23,275 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:47:23,281 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:47:23,281 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-10-16 02:47:23,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 60 states have (on average 1.85) internal successors, (111), 88 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:23,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-16 02:47:23,309 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:47:23,309 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-16 02:47:23,310 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2021-10-16 02:47:23,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:47:23,317 INFO L82 PathProgramCache]: Analyzing trace with hash 394005, now seen corresponding path program 1 times [2021-10-16 02:47:23,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:47:23,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907609425] [2021-10-16 02:47:23,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:47:23,331 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:47:23,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:47:23,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:23,839 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:47:23,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907609425] [2021-10-16 02:47:23,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907609425] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:47:23,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:47:23,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:47:23,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482941106] [2021-10-16 02:47:23,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:47:23,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:47:23,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:47:23,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:47:23,869 INFO L87 Difference]: Start difference. First operand has 89 states, 60 states have (on average 1.85) internal successors, (111), 88 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:23,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:47:23,956 INFO L93 Difference]: Finished difference Result 177 states and 221 transitions. [2021-10-16 02:47:23,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:47:23,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-16 02:47:23,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:47:23,974 INFO L225 Difference]: With dead ends: 177 [2021-10-16 02:47:23,974 INFO L226 Difference]: Without dead ends: 91 [2021-10-16 02:47:23,978 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:47:23,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-10-16 02:47:24,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-10-16 02:47:24,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 63 states have (on average 1.7619047619047619) internal successors, (111), 90 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:24,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 111 transitions. [2021-10-16 02:47:24,046 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 111 transitions. Word has length 3 [2021-10-16 02:47:24,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:47:24,047 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 111 transitions. [2021-10-16 02:47:24,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:47:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 111 transitions. [2021-10-16 02:47:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-16 02:47:24,048 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:47:24,048 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-16 02:47:24,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:47:24,050 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2021-10-16 02:47:24,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:47:24,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1509479545, now seen corresponding path program 1 times [2021-10-16 02:47:24,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:47:24,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783496604] [2021-10-16 02:47:24,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:47:24,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:47:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:47:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:24,231 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:47:24,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783496604] [2021-10-16 02:47:24,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783496604] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-16 02:47:24,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727625914] [2021-10-16 02:47:24,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:47:24,233 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:47:24,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:47:24,235 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:47:24,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-16 02:47:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:47:24,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-16 02:47:24,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:47:24,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:24,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:47:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:47:24,578 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727625914] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:47:24,579 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1327119325] [2021-10-16 02:47:24,619 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-10-16 02:47:24,619 INFO L166 IcfgInterpreter]: Building call graph [2021-10-16 02:47:24,631 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-16 02:47:24,638 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-16 02:47:24,639 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-16 02:47:24,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:47:24,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:47:24,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:47:24,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-16 02:47:24,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:47:24,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:47:24,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-10-16 02:47:24,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:47:24,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:47:24,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-10-16 02:47:24,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:47:24,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:47:24,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-10-16 02:47:24,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-16 02:47:24,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:47:24,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-10-16 02:47:24,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 784 [2021-10-16 02:47:24,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:24,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:24,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:25,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-16 02:47:26,235 INFO L244 Elim1Store]: Index analysis took 561 ms [2021-10-16 02:47:27,332 INFO L354 Elim1Store]: treesize reduction 1129, result has 4.3 percent of original size [2021-10-16 02:47:27,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 39 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 60 case distinctions, treesize of input 263 treesize of output 262 [2021-10-16 02:47:27,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:47:27,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-10-16 02:47:27,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:47:27,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-10-16 02:47:27,390 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-16 02:47:27,392 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:47:27,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:47:27,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-16 02:47:27,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 666 [2021-10-16 02:47:27,643 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-16 02:47:27,644 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:777, output treesize:666 [2021-10-16 02:47:27,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:47:27,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:47:27,873 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: No corresponding IProgramVar for |v_#length_27| at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:83) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:92) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.predicate(SymbolicTools.java:174) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:608) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-16 02:47:27,877 INFO L168 Benchmark]: Toolchain (without parser) took 7928.44 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 76.2 MB in the beginning and 126.8 MB in the end (delta: -50.5 MB). Peak memory consumption was 73.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:27,878 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory was 53.8 MB in the beginning and 53.8 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:47:27,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1165.91 ms. Allocated memory is still 113.2 MB. Free memory was 76.0 MB in the beginning and 53.3 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:27,879 INFO L168 Benchmark]: Boogie Procedure Inliner took 139.38 ms. Allocated memory is still 113.2 MB. Free memory was 53.3 MB in the beginning and 49.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:27,880 INFO L168 Benchmark]: Boogie Preprocessor took 84.24 ms. Allocated memory is still 113.2 MB. Free memory was 49.1 MB in the beginning and 45.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:27,881 INFO L168 Benchmark]: RCFGBuilder took 1839.52 ms. Allocated memory is still 113.2 MB. Free memory was 45.4 MB in the beginning and 79.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:27,882 INFO L168 Benchmark]: TraceAbstraction took 4689.32 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 79.1 MB in the beginning and 126.8 MB in the end (delta: -47.7 MB). Peak memory consumption was 76.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:47:27,885 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory was 53.8 MB in the beginning and 53.8 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1165.91 ms. Allocated memory is still 113.2 MB. Free memory was 76.0 MB in the beginning and 53.3 MB in the end (delta: 22.8 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 139.38 ms. Allocated memory is still 113.2 MB. Free memory was 53.3 MB in the beginning and 49.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.24 ms. Allocated memory is still 113.2 MB. Free memory was 49.1 MB in the beginning and 45.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1839.52 ms. Allocated memory is still 113.2 MB. Free memory was 45.4 MB in the beginning and 79.1 MB in the end (delta: -33.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4689.32 ms. Allocated memory was 113.2 MB in the beginning and 159.4 MB in the end (delta: 46.1 MB). Free memory was 79.1 MB in the beginning and 126.8 MB in the end (delta: -47.7 MB). Peak memory consumption was 76.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: No corresponding IProgramVar for |v_#length_27| de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: No corresponding IProgramVar for |v_#length_27|: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-16 02:47:27,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cae55ca-8a4e-460a-b662-40055ea5207f/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...