./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_1-1.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_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/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_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/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_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/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 cdbf026e42f3a9800b7aa9d2cd2bf1244d298b4336830b160346ebcbe7cd8c15 .................................................................................................................................................................................................................................................................................................................................................................................................................. 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 06:25:34,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 06:25:34,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 06:25:34,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 06:25:34,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 06:25:34,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 06:25:34,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 06:25:34,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 06:25:34,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 06:25:34,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 06:25:34,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 06:25:34,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 06:25:34,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 06:25:34,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 06:25:34,717 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 06:25:34,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 06:25:34,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 06:25:34,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 06:25:34,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 06:25:34,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 06:25:34,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 06:25:34,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 06:25:34,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 06:25:34,746 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 06:25:34,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 06:25:34,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 06:25:34,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 06:25:34,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 06:25:34,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 06:25:34,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 06:25:34,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 06:25:34,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 06:25:34,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 06:25:34,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 06:25:34,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 06:25:34,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 06:25:34,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 06:25:34,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 06:25:34,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 06:25:34,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 06:25:34,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 06:25:34,766 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-20 06:25:34,815 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 06:25:34,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 06:25:34,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 06:25:34,817 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 06:25:34,817 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 06:25:34,818 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 06:25:34,818 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 06:25:34,818 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 06:25:34,818 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 06:25:34,818 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 06:25:34,819 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 06:25:34,820 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 06:25:34,820 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 06:25:34,820 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 06:25:34,820 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 06:25:34,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 06:25:34,821 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 06:25:34,822 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 06:25:34,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 06:25:34,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 06:25:34,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 06:25:34,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 06:25:34,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 06:25:34,823 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-20 06:25:34,823 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 06:25:34,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 06:25:34,823 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 06:25:34,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 06:25:34,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 06:25:34,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 06:25:34,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:25:34,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 06:25:34,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 06:25:34,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 06:25:34,827 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 06:25:34,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 06:25:34,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 06:25:34,828 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 06:25:34,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 06:25:34,828 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_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdbf026e42f3a9800b7aa9d2cd2bf1244d298b4336830b160346ebcbe7cd8c15 [2021-10-20 06:25:35,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 06:25:35,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 06:25:35,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 06:25:35,153 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 06:25:35,154 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 06:25:35,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/bitvector/jain_1-1.c [2021-10-20 06:25:35,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/data/2ba56c0cb/8d3b64df79d942228df77dc836d2293e/FLAGa95e99e59 [2021-10-20 06:25:35,667 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 06:25:35,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/sv-benchmarks/c/bitvector/jain_1-1.c [2021-10-20 06:25:35,680 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/data/2ba56c0cb/8d3b64df79d942228df77dc836d2293e/FLAGa95e99e59 [2021-10-20 06:25:36,074 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/data/2ba56c0cb/8d3b64df79d942228df77dc836d2293e [2021-10-20 06:25:36,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 06:25:36,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 06:25:36,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 06:25:36,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 06:25:36,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 06:25:36,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c98b30c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36, skipping insertion in model container [2021-10-20 06:25:36,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 06:25:36,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 06:25:36,271 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_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/sv-benchmarks/c/bitvector/jain_1-1.c[370,383] [2021-10-20 06:25:36,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:25:36,287 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 06:25:36,295 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_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/sv-benchmarks/c/bitvector/jain_1-1.c[370,383] [2021-10-20 06:25:36,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 06:25:36,307 INFO L208 MainTranslator]: Completed translation [2021-10-20 06:25:36,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36 WrapperNode [2021-10-20 06:25:36,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 06:25:36,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 06:25:36,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 06:25:36,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 06:25:36,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 06:25:36,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 06:25:36,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 06:25:36,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 06:25:36,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 06:25:36,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 06:25:36,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 06:25:36,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 06:25:36,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36" (1/1) ... [2021-10-20 06:25:36,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 06:25:36,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:25:36,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 06:25:36,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 06:25:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 06:25:36,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 06:25:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 06:25:36,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 06:25:36,645 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 06:25:36,645 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-20 06:25:36,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:25:36 BoogieIcfgContainer [2021-10-20 06:25:36,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 06:25:36,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 06:25:36,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 06:25:36,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 06:25:36,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:25:36" (1/3) ... [2021-10-20 06:25:36,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9ec3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:25:36, skipping insertion in model container [2021-10-20 06:25:36,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:36" (2/3) ... [2021-10-20 06:25:36,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9ec3b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:25:36, skipping insertion in model container [2021-10-20 06:25:36,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:25:36" (3/3) ... [2021-10-20 06:25:36,657 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_1-1.c [2021-10-20 06:25:36,662 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 06:25:36,662 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-20 06:25:36,711 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 06:25:36,718 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 06:25:36,718 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-20 06:25:36,732 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 06:25:36,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-20 06:25:36,737 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:25:36,737 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-20 06:25:36,738 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:25:36,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:25:36,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1828272, now seen corresponding path program 1 times [2021-10-20 06:25:36,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:25:36,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594131793] [2021-10-20 06:25:36,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:25:36,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:25:36,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:25:37,006 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 06:25:37,006 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:25:37,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594131793] [2021-10-20 06:25:37,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594131793] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:25:37,008 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 06:25:37,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-20 06:25:37,010 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643045720] [2021-10-20 06:25:37,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:25:37,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:25:37,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:25:37,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:25:37,054 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 06:25:37,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:25:37,097 INFO L93 Difference]: Finished difference Result 12 states and 17 transitions. [2021-10-20 06:25:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 06:25:37,098 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 06:25:37,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:25:37,109 INFO L225 Difference]: With dead ends: 12 [2021-10-20 06:25:37,109 INFO L226 Difference]: Without dead ends: 7 [2021-10-20 06:25:37,114 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.8ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-20 06:25:37,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-20 06:25:37,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-20 06:25:37,151 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 06:25:37,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-20 06:25:37,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2021-10-20 06:25:37,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:25:37,154 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-10-20 06:25:37,154 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 06:25:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-20 06:25:37,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-20 06:25:37,155 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 06:25:37,155 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2021-10-20 06:25:37,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-20 06:25:37,156 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-20 06:25:37,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 06:25:37,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1757113992, now seen corresponding path program 1 times [2021-10-20 06:25:37,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 06:25:37,158 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974240546] [2021-10-20 06:25:37,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:25:37,158 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 06:25:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:25:37,282 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 06:25:37,282 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 06:25:37,283 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974240546] [2021-10-20 06:25:37,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974240546] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-20 06:25:37,285 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268083333] [2021-10-20 06:25:37,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 06:25:37,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:25:37,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 06:25:37,292 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-20 06:25:37,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-20 06:25:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 06:25:37,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-20 06:25:37,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-20 06:25:37,571 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 06:25:37,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-20 06:25:37,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-20 06:25:37,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268083333] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-20 06:25:37,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [114199126] [2021-10-20 06:25:37,986 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-10-20 06:25:37,986 INFO L166 IcfgInterpreter]: Building call graph [2021-10-20 06:25:37,991 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-20 06:25:38,004 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-20 06:25:38,006 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-20 06:25:38,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,046 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:25:38,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-10-20 06:25:38,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:25:38,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-10-20 06:25:38,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 122 [2021-10-20 06:25:38,096 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-10-20 06:25:38,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,126 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 06:25:38,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:25:38,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-10-20 06:25:38,135 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-20 06:25:38,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:25:38,180 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-20 06:25:38,216 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 06:25:38,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:25:38,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-10-20 06:25:38,228 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-20 06:25:38,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:25:38,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-10-20 06:25:38,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-10-20 06:25:38,268 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:119, output treesize:94 [2021-10-20 06:25:38,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-10-20 06:25:38,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:25:38,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:25:38,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-20 06:25:38,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:25:38,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-10-20 06:25:38,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-10-20 06:25:38,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-10-20 06:25:38,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-10-20 06:25:38,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-10-20 06:25:38,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-10-20 06:25:38,349 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:25:38,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:25:38,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:25:38,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:25:38,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:25:38,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:25:38,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:25:38,493 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-20 06:25:38,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [114199126] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 06:25:38,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-10-20 06:25:38,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4, 3] total 7 [2021-10-20 06:25:38,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783411144] [2021-10-20 06:25:38,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-20 06:25:38,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 06:25:38,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-20 06:25:38,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-20 06:25:38,869 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 06:25:38,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 06:25:38,891 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2021-10-20 06:25:38,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-20 06:25:38,892 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 06:25:38,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 06:25:38,893 INFO L225 Difference]: With dead ends: 7 [2021-10-20 06:25:38,893 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 06:25:38,894 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 667.8ms TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-10-20 06:25:38,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 06:25:38,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 06:25:38,895 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 06:25:38,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 06:25:38,895 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-10-20 06:25:38,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 06:25:38,896 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 06:25:38,896 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 06:25:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 06:25:38,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 06:25:38,900 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-20 06:25:38,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-20 06:25:39,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-20 06:25:39,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 06:25:39,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 06:25:39,361 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 06:25:39,362 INFO L857 garLoopResultBuilder]: For program point L7(lines 7 9) no Hoare annotation was computed. [2021-10-20 06:25:39,362 INFO L853 garLoopResultBuilder]: At program point L7-2(lines 6 25) 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 (<= 0 |#t~string4.base|) (<= 0 |#t~string5.base|) (= ULTIMATE.start_main_~y~0 1) (<= 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) (< |#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 (= (mod (+ ULTIMATE.start_main_~y~0 1) (- 2)) 0) .cse1 (= (select |#length| |#t~string4.base|) 2) (= (select .cse4 |#t~string4.offset|) 48) .cse2 (< 0 |#StackHeapBarrier|) .cse3)))) [2021-10-20 06:25:39,362 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 06:25:39,363 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-10-20 06:25:39,363 INFO L857 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-10-20 06:25:39,368 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 06:25:39,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:25:39 BoogieIcfgContainer [2021-10-20 06:25:39,398 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 06:25:39,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 06:25:39,400 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 06:25:39,401 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 06:25:39,401 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:25:36" (3/4) ... [2021-10-20 06:25:39,405 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 06:25:39,414 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-20 06:25:39,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-20 06:25:39,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 06:25:39,415 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 06:25:39,446 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 <= "0" && 0 <= "jain_1-1.c") && y == 1) && 0 <= "jain_1-1.c") && 0 <= "reach_error") && #NULL == 0) && "reach_error" == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "jain_1-1.c" <= 0) && 0 == "0") && #NULL == 0) || ((((((((((((((((((((unknown-#StackHeapBarrier-unknown < "reach_error" && \old(cond) == cond) && \old(cond) == 1) && unknown-#StackHeapBarrier-unknown < "jain_1-1.c") && \valid["jain_1-1.c"] == 1) && \valid["0"] == 1) && "jain_1-1.c" == 0) && unknown-#length-unknown["jain_1-1.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) && (y + 1) % -2 == 0) && "reach_error" == 0) && unknown-#length-unknown["0"] == 2) && unknown-#memory_int-unknown["0"]["0"] == 48) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2021-10-20 06:25:39,465 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 06:25:39,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 06:25:39,468 INFO L168 Benchmark]: Toolchain (without parser) took 3389.98 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 57.8 MB in the beginning and 58.1 MB in the end (delta: -239.1 kB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:25:39,470 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 64.1 MB in the beginning and 64.1 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:25:39,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.02 ms. Allocated memory is still 92.3 MB. Free memory was 57.7 MB in the beginning and 68.9 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 06:25:39,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.89 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 67.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:25:39,473 INFO L168 Benchmark]: Boogie Preprocessor took 18.68 ms. Allocated memory is still 92.3 MB. Free memory was 67.5 MB in the beginning and 66.8 MB in the end (delta: 761.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 06:25:39,473 INFO L168 Benchmark]: RCFGBuilder took 279.15 ms. Allocated memory is still 92.3 MB. Free memory was 66.4 MB in the beginning and 57.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-20 06:25:39,474 INFO L168 Benchmark]: TraceAbstraction took 2748.46 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 56.3 MB in the beginning and 60.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. [2021-10-20 06:25:39,474 INFO L168 Benchmark]: Witness Printer took 68.46 ms. Allocated memory is still 125.8 MB. Free memory was 60.2 MB in the beginning and 58.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 06:25:39,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 92.3 MB. Free memory was 64.1 MB in the beginning and 64.1 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 228.02 ms. Allocated memory is still 92.3 MB. Free memory was 57.7 MB in the beginning and 68.9 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.89 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 67.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.68 ms. Allocated memory is still 92.3 MB. Free memory was 67.5 MB in the beginning and 66.8 MB in the end (delta: 761.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 279.15 ms. Allocated memory is still 92.3 MB. Free memory was 66.4 MB in the beginning and 57.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2748.46 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 56.3 MB in the beginning and 60.2 MB in the end (delta: -3.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 16.1 GB. * Witness Printer took 68.46 ms. Allocated memory is still 125.8 MB. Free memory was 60.2 MB in the beginning and 58.1 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: 2658.8ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 9.3ms, AutomataDifference: 122.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 245.2ms, InitialAbstractionConstructionTime: 9.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5 SDtfs, 2 SDslu, 4 SDs, 0 SdLazy, 12 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 677.6ms 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: 26.3ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 127 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 17.7ms HoareSimplificationTime, 1 FomulaSimplificationsInter, 43 FormulaSimplificationTreeSizeReductionInter, 220.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 13.7ms SsaConstructionTime, 105.4ms SatisfiabilityAnalysisTime, 795.9ms InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 4 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 1/6 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]: 508, 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]: 279, 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]: 275, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 232, FLUID_QUERY_TIME[ms]: 2, FLUID_QUERIES: 13, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 1, DOMAIN_JOIN_TIME[ms]: 144, 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]: 25, DOMAIN_ISBOTTOM_APPLICATIONS: 4, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 62, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 61, 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]: 7, PATH_EXPR_TIME[ms]: 2, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 6, 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: ((((((((((0 <= "0" && 0 <= "jain_1-1.c") && y == 1) && 0 <= "jain_1-1.c") && 0 <= "reach_error") && #NULL == 0) && "reach_error" == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && "jain_1-1.c" <= 0) && 0 == "0") && #NULL == 0) || ((((((((((((((((((((unknown-#StackHeapBarrier-unknown < "reach_error" && \old(cond) == cond) && \old(cond) == 1) && unknown-#StackHeapBarrier-unknown < "jain_1-1.c") && \valid["jain_1-1.c"] == 1) && \valid["0"] == 1) && "jain_1-1.c" == 0) && unknown-#length-unknown["jain_1-1.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) && (y + 1) % -2 == 0) && "reach_error" == 0) && unknown-#length-unknown["0"] == 2) && unknown-#memory_int-unknown["0"]["0"] == 48) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2021-10-20 06:25:39,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4a1f8ce-94d7-4ce8-a8f7-fc1249d4ec3f/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...