./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_7-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_7-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf096b5ba28b65ccf66c25ccb107234784d5096d31e6a6438085e78f95275f3d .................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:24:03,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:24:03,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:24:03,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:24:03,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:24:03,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:24:03,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:24:03,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:24:03,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:24:03,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:24:03,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:24:03,386 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:24:03,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:24:03,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:24:03,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:24:03,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:24:03,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:24:03,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:24:03,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:24:03,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:24:03,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:24:03,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:24:03,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:24:03,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:24:03,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:24:03,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:24:03,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:24:03,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:24:03,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:24:03,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:24:03,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:24:03,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:24:03,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:24:03,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:24:03,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:24:03,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:24:03,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:24:03,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:24:03,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:24:03,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:24:03,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:24:03,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 05:24:03,505 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:24:03,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:24:03,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:24:03,509 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:24:03,509 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:24:03,510 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:24:03,510 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:24:03,510 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:24:03,511 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:24:03,511 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:24:03,512 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:24:03,513 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:24:03,513 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:24:03,513 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:24:03,514 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:24:03,515 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:24:03,515 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:24:03,515 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:24:03,515 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:24:03,516 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:24:03,516 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:24:03,516 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:24:03,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:24:03,517 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 05:24:03,517 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:24:03,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:24:03,518 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:24:03,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:24:03,518 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:24:03,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:24:03,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:24:03,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:24:03,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:24:03,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:24:03,521 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:24:03,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:24:03,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:24:03,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:24:03,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:24:03,522 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_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf096b5ba28b65ccf66c25ccb107234784d5096d31e6a6438085e78f95275f3d [2021-10-20 05:24:03,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:24:03,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:24:03,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:24:03,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:24:03,919 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:24:03,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/bitvector/jain_7-2.c [2021-10-20 05:24:04,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/data/c02ba69fa/8f77657b047d43169b893020510aa8cc/FLAG94f007097 [2021-10-20 05:24:04,556 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:24:04,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/sv-benchmarks/c/bitvector/jain_7-2.c [2021-10-20 05:24:04,564 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/data/c02ba69fa/8f77657b047d43169b893020510aa8cc/FLAG94f007097 [2021-10-20 05:24:04,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/data/c02ba69fa/8f77657b047d43169b893020510aa8cc [2021-10-20 05:24:04,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:24:04,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:24:04,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:24:04,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:24:04,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:24:04,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:24:04" (1/1) ... [2021-10-20 05:24:04,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bce1eec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:04, skipping insertion in model container [2021-10-20 05:24:04,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:24:04" (1/1) ... [2021-10-20 05:24:04,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:24:04,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:24:05,143 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_1fb0752d-3a10-44e5-a140-9aadef2e34d9/sv-benchmarks/c/bitvector/jain_7-2.c[370,383] [2021-10-20 05:24:05,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:24:05,168 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:24:05,182 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_1fb0752d-3a10-44e5-a140-9aadef2e34d9/sv-benchmarks/c/bitvector/jain_7-2.c[370,383] [2021-10-20 05:24:05,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:24:05,203 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:24:05,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05 WrapperNode [2021-10-20 05:24:05,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:24:05,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:24:05,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:24:05,206 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:24:05,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05" (1/1) ... [2021-10-20 05:24:05,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05" (1/1) ... [2021-10-20 05:24:05,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:24:05,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:24:05,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:24:05,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:24:05,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05" (1/1) ... [2021-10-20 05:24:05,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05" (1/1) ... [2021-10-20 05:24:05,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05" (1/1) ... [2021-10-20 05:24:05,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05" (1/1) ... [2021-10-20 05:24:05,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05" (1/1) ... [2021-10-20 05:24:05,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05" (1/1) ... [2021-10-20 05:24:05,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05" (1/1) ... [2021-10-20 05:24:05,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:24:05,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:24:05,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:24:05,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:24:05,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05" (1/1) ... [2021-10-20 05:24:05,292 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:24:05,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:24:05,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:24:05,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:24:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:24:05,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:24:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 05:24:05,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:24:05,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:24:05,616 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-20 05:24:05,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:24:05 BoogieIcfgContainer [2021-10-20 05:24:05,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:24:05,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:24:05,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:24:05,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:24:05,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:24:04" (1/3) ... [2021-10-20 05:24:05,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb31f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:24:05, skipping insertion in model container [2021-10-20 05:24:05,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:24:05" (2/3) ... [2021-10-20 05:24:05,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eb31f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:24:05, skipping insertion in model container [2021-10-20 05:24:05,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:24:05" (3/3) ... [2021-10-20 05:24:05,644 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_7-2.c [2021-10-20 05:24:05,651 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:24:05,652 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 05:24:05,764 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:24:05,793 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-20 05:24:05,794 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 05:24:05,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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) [2021-10-20 05:24:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-20 05:24:05,823 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:24:05,824 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-20 05:24:05,824 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:24:05,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:24:05,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1828272, now seen corresponding path program 1 times [2021-10-20 05:24:05,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:24:05,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578269481] [2021-10-20 05:24:05,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:24:05,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:24:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:24:06,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:24:06,297 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:24:06,297 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578269481] [2021-10-20 05:24:06,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578269481] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 05:24:06,305 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:24:06,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 05:24:06,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978276990] [2021-10-20 05:24:06,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:24:06,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:24:06,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:24:06,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:24:06,344 INFO L87 Difference]: Start difference. First operand has 6 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 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 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-20 05:24:06,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:24:06,391 INFO L93 Difference]: Finished difference Result 12 states and 17 transitions. [2021-10-20 05:24:06,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 05:24:06,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-10-20 05:24:06,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:24:06,412 INFO L225 Difference]: With dead ends: 12 [2021-10-20 05:24:06,412 INFO L226 Difference]: Without dead ends: 7 [2021-10-20 05:24:06,418 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 64.9ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-20 05:24:06,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-20 05:24:06,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-20 05:24:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-10-20 05:24:06,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-20 05:24:06,455 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2021-10-20 05:24:06,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:24:06,456 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-10-20 05:24:06,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2021-10-20 05:24:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-20 05:24:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-20 05:24:06,457 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:24:06,458 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2021-10-20 05:24:06,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-20 05:24:06,459 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 05:24:06,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:24:06,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1757113992, now seen corresponding path program 1 times [2021-10-20 05:24:06,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:24:06,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714883941] [2021-10-20 05:24:06,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:24:06,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:24:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:24:06,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:24:06,732 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:24:06,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714883941] [2021-10-20 05:24:06,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714883941] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-20 05:24:06,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188062171] [2021-10-20 05:24:06,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:24:06,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 05:24:06,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:24:06,741 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 05:24:06,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-20 05:24:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:24:06,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-20 05:24:06,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 05:24:09,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:24:09,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 05:24:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:24:13,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188062171] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 05:24:13,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [166777362] [2021-10-20 05:24:13,784 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-10-20 05:24:13,785 INFO L166 IcfgInterpreter]: Building call graph [2021-10-20 05:24:13,790 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-20 05:24:13,797 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-20 05:24:13,798 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-20 05:24:13,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:13,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:24:13,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:13,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-20 05:24:13,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:24:13,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:13,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-20 05:24:13,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-10-20 05:24:13,880 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-10-20 05:24:13,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:13,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:13,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:13,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-10-20 05:24:13,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:13,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 05:24:13,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:13,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 05:24:13,933 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 05:24:13,935 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:24:14,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:14,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:14,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:14,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:14,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:14,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:14,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:14,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:14,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:14,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 05:24:14,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-10-20 05:24:14,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:14,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 05:24:14,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:14,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 05:24:14,055 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 05:24:14,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:24:14,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:14,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:14,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-10-20 05:24:14,101 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 05:24:14,102 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:125, output treesize:100 [2021-10-20 05:24:14,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:14,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 147 [2021-10-20 05:24:14,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:14,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:24:14,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:14,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:24:14,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:14,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 05:24:14,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:24:14,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:14,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-20 05:24:14,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-10-20 05:24:14,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 05:24:14,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 05:24:14,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-10-20 05:24:14,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-10-20 05:24:14,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:24:14,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:24:14,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:24:14,293 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:24:14,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:24:14,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:24:14,347 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:24:14,367 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-20 05:24:17,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [166777362] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 05:24:17,267 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-20 05:24:17,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4, 4] total 10 [2021-10-20 05:24:17,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613340418] [2021-10-20 05:24:17,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 05:24:17,270 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:24:17,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 05:24:17,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=72, Unknown=4, NotChecked=0, Total=110 [2021-10-20 05:24:17,271 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-20 05:24:17,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:24:17,322 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2021-10-20 05:24:17,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 05:24:17,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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 6 [2021-10-20 05:24:17,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:24:17,324 INFO L225 Difference]: With dead ends: 7 [2021-10-20 05:24:17,324 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 05:24:17,326 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 9125.0ms TimeCoverageRelationStatistics Valid=34, Invalid=72, Unknown=4, NotChecked=0, Total=110 [2021-10-20 05:24:17,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 05:24:17,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 05:24:17,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-10-20 05:24:17,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 05:24:17,326 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-10-20 05:24:17,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:24:17,327 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 05:24:17,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-20 05:24:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 05:24:17,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 05:24:17,330 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 05:24:17,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-20 05:24:17,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-20 05:24:17,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 05:24:17,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:24:17,910 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 05:24:17,910 INFO L857 garLoopResultBuilder]: For program point L7(lines 7 9) no Hoare annotation was computed. [2021-10-20 05:24:17,911 INFO L853 garLoopResultBuilder]: At program point L7-2(lines 6 27) the Hoare annotation is: (let ((.cse0 (= |#NULL.offset| 0)) (.cse1 (= |#t~string6.offset| 0)) (.cse2 (= 0 |#t~string4.offset|)) (.cse3 (= |#NULL.base| 0))) (or (and (= ULTIMATE.start_main_~z~0 0) (<= 0 |#t~string4.base|) (= ULTIMATE.start_main_~y~0 0) (= ULTIMATE.start_main_~x~0 0) (<= 0 |#t~string5.base|) (<= 0 |#t~string5.offset|) (<= 0 |#t~string6.base|) .cse0 .cse1 (<= 0 |#StackHeapBarrier|) (<= |#t~string5.offset| 0) .cse2 .cse3) (let ((.cse4 (select |#memory_int| |#t~string4.base|))) (and (< |#StackHeapBarrier| |#t~string6.base|) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| 1) (= 0 (mod (* ULTIMATE.start_main_~x~0 1048575) (- 1048576))) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (= |#t~string5.offset| 0) (= (select |#length| |#t~string5.base|) 11) (= (select |#valid| |#t~string6.base|) 1) (= (select |#valid| 0) 0) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse4 (+ 1 |#t~string4.offset|)) 0) .cse0 .cse1 (= (select |#length| |#t~string4.base|) 2) (= 0 (mod (* ULTIMATE.start_main_~z~0 4194303) (- 4194304))) (= (select .cse4 |#t~string4.offset|) 48) (= (mod ULTIMATE.start_main_~y~0 2097152) 0) .cse2 (< 0 |#StackHeapBarrier|) .cse3)))) [2021-10-20 05:24:17,911 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 05:24:17,911 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-10-20 05:24:17,912 INFO L857 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-10-20 05:24:17,918 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:24:17,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:24:17 BoogieIcfgContainer [2021-10-20 05:24:17,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:24:17,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:24:17,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:24:17,962 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:24:17,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:24:05" (3/4) ... [2021-10-20 05:24:17,966 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 05:24:17,976 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-20 05:24:17,977 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 05:24:17,977 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 05:24:17,977 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:24:18,008 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((z == 0 && 0 <= "0") && y == 0) && x == 0) && 0 <= "jain_7-2.c") && 0 <= "jain_7-2.c") && 0 <= "reach_error") && #NULL == 0) && "reach_error" == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "jain_7-2.c" <= 0) && 0 == "0") && #NULL == 0) || ((((((((((((((((((((((unknown-#StackHeapBarrier-unknown < "reach_error" && \old(cond) == cond) && \old(cond) == 1) && 0 == x * 1048575 % -1048576) && unknown-#StackHeapBarrier-unknown < "jain_7-2.c") && \valid["jain_7-2.c"] == 1) && \valid["0"] == 1) && "jain_7-2.c" == 0) && unknown-#length-unknown["jain_7-2.c"] == 11) && \valid["reach_error"] == 1) && \valid[0] == 0) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#length-unknown["reach_error"] == 12) && unknown-#memory_int-unknown["0"][1 + "0"] == 0) && #NULL == 0) && "reach_error" == 0) && unknown-#length-unknown["0"] == 2) && 0 == z * 4194303 % -4194304) && unknown-#memory_int-unknown["0"]["0"] == 48) && y % 2097152 == 0) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2021-10-20 05:24:18,031 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:24:18,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:24:18,037 INFO L168 Benchmark]: Toolchain (without parser) took 13135.03 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.7 MB in the beginning and 51.7 MB in the end (delta: -948.9 kB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2021-10-20 05:24:18,038 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 66.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:24:18,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.26 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.5 MB in the beginning and 82.8 MB in the end (delta: -32.3 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:24:18,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.51 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:24:18,041 INFO L168 Benchmark]: Boogie Preprocessor took 25.89 ms. Allocated memory is still 107.0 MB. Free memory was 81.4 MB in the beginning and 80.5 MB in the end (delta: 929.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:24:18,042 INFO L168 Benchmark]: RCFGBuilder took 345.07 ms. Allocated memory is still 107.0 MB. Free memory was 80.5 MB in the beginning and 70.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 05:24:18,046 INFO L168 Benchmark]: TraceAbstraction took 12339.86 ms. Allocated memory is still 107.0 MB. Free memory was 70.2 MB in the beginning and 53.8 MB in the end (delta: 16.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2021-10-20 05:24:18,047 INFO L168 Benchmark]: Witness Printer took 74.31 ms. Allocated memory is still 107.0 MB. Free memory was 53.8 MB in the beginning and 51.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:24:18,051 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 88.1 MB. Free memory is still 66.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 300.26 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 50.5 MB in the beginning and 82.8 MB in the end (delta: -32.3 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.51 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.89 ms. Allocated memory is still 107.0 MB. Free memory was 81.4 MB in the beginning and 80.5 MB in the end (delta: 929.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 345.07 ms. Allocated memory is still 107.0 MB. Free memory was 80.5 MB in the beginning and 70.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12339.86 ms. Allocated memory is still 107.0 MB. Free memory was 70.2 MB in the beginning and 53.8 MB in the end (delta: 16.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * Witness Printer took 74.31 ms. Allocated memory is still 107.0 MB. Free memory was 53.8 MB in the beginning and 51.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12155.9ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 11.6ms, AutomataDifference: 153.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 378.0ms, InitialAbstractionConstructionTime: 18.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5 SDtfs, 2 SDslu, 4 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 9190.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 20.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 145 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 42.9ms HoareSimplificationTime, 1 FomulaSimplificationsInter, 55 FormulaSimplificationTreeSizeReductionInter, 327.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 25.4ms SsaConstructionTime, 262.7ms SatisfiabilityAnalysisTime, 7315.0ms InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 3 QuantifiedInterpolants, 214 SizeOfPredicates, 10 NumberOfNonLiveVariables, 61 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME[ms]: 584, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 4, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 6, TOOLS_POST_TIME[ms]: 376, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 6, TOOLS_QUANTIFIERELIM_TIME[ms]: 370, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 273, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 13, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 141, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 14, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 92, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 92, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 2, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 7, DAG_COMPRESSION_PROCESSED_NODES: 32, DAG_COMPRESSION_RETAINED_NODES: 18, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: ((((((((((((z == 0 && 0 <= "0") && y == 0) && x == 0) && 0 <= "jain_7-2.c") && 0 <= "jain_7-2.c") && 0 <= "reach_error") && #NULL == 0) && "reach_error" == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "jain_7-2.c" <= 0) && 0 == "0") && #NULL == 0) || ((((((((((((((((((((((unknown-#StackHeapBarrier-unknown < "reach_error" && \old(cond) == cond) && \old(cond) == 1) && 0 == x * 1048575 % -1048576) && unknown-#StackHeapBarrier-unknown < "jain_7-2.c") && \valid["jain_7-2.c"] == 1) && \valid["0"] == 1) && "jain_7-2.c" == 0) && unknown-#length-unknown["jain_7-2.c"] == 11) && \valid["reach_error"] == 1) && \valid[0] == 0) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#length-unknown["reach_error"] == 12) && unknown-#memory_int-unknown["0"][1 + "0"] == 0) && #NULL == 0) && "reach_error" == 0) && unknown-#length-unknown["0"] == 2) && 0 == z * 4194303 % -4194304) && unknown-#memory_int-unknown["0"]["0"] == 48) && y % 2097152 == 0) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2021-10-20 05:24:18,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1fb0752d-3a10-44e5-a140-9aadef2e34d9/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...