./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/array-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/loops/array-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs --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 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:26:34,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:26:34,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:26:34,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:26:34,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:26:34,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:26:34,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:26:34,325 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:26:34,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:26:34,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:26:34,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:26:34,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:26:34,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:26:34,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:26:34,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:26:34,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:26:34,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:26:34,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:26:34,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:26:34,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:26:34,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:26:34,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:26:34,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:26:34,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:26:34,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:26:34,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:26:34,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:26:34,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:26:34,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:26:34,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:26:34,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:26:34,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:26:34,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:26:34,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:26:34,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:26:34,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:26:34,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:26:34,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:26:34,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:26:34,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:26:34,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:26:34,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:26:34,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:26:34,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:26:34,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:26:34,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:26:34,463 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:26:34,463 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:26:34,464 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:26:34,464 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:26:34,464 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:26:34,464 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:26:34,472 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:26:34,473 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:26:34,473 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:26:34,473 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:26:34,473 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:26:34,474 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:26:34,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:26:34,475 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:26:34,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:26:34,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:26:34,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:26:34,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:26:34,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:26:34,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:26:34,476 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:26:34,477 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:26:34,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:26:34,477 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:26:34,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:26:34,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:26:34,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:26:34,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:26:34,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:26:34,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:26:34,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:26:34,481 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:26:34,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:26:34,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:26:34,482 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:26:34,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:26:34,482 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_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152 [2021-11-19 14:26:34,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:26:34,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:26:34,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:26:34,875 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:26:34,876 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:26:34,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/loops/array-1.c [2021-11-19 14:26:34,952 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/data/4b212686c/f49a693640e44384ae4cf0d283dd4b90/FLAGb00be39f7 [2021-11-19 14:26:35,503 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:26:35,503 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/sv-benchmarks/c/loops/array-1.c [2021-11-19 14:26:35,511 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/data/4b212686c/f49a693640e44384ae4cf0d283dd4b90/FLAGb00be39f7 [2021-11-19 14:26:35,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/data/4b212686c/f49a693640e44384ae4cf0d283dd4b90 [2021-11-19 14:26:35,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:26:35,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:26:35,867 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:26:35,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:26:35,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:26:35,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:35" (1/1) ... [2021-11-19 14:26:35,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e24c57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:35, skipping insertion in model container [2021-11-19 14:26:35,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:26:35" (1/1) ... [2021-11-19 14:26:35,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:26:35,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:26:36,112 WARN L230 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_1aafc040-e773-45f7-b663-bd18bfbf0cee/sv-benchmarks/c/loops/array-1.c[319,332] [2021-11-19 14:26:36,131 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:26:36,140 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:26:36,155 WARN L230 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_1aafc040-e773-45f7-b663-bd18bfbf0cee/sv-benchmarks/c/loops/array-1.c[319,332] [2021-11-19 14:26:36,172 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:26:36,194 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:26:36,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36 WrapperNode [2021-11-19 14:26:36,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:26:36,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:26:36,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:26:36,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:26:36,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36" (1/1) ... [2021-11-19 14:26:36,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36" (1/1) ... [2021-11-19 14:26:36,254 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2021-11-19 14:26:36,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:26:36,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:26:36,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:26:36,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:26:36,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36" (1/1) ... [2021-11-19 14:26:36,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36" (1/1) ... [2021-11-19 14:26:36,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36" (1/1) ... [2021-11-19 14:26:36,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36" (1/1) ... [2021-11-19 14:26:36,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36" (1/1) ... [2021-11-19 14:26:36,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36" (1/1) ... [2021-11-19 14:26:36,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36" (1/1) ... [2021-11-19 14:26:36,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:26:36,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:26:36,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:26:36,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:26:36,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36" (1/1) ... [2021-11-19 14:26:36,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:26:36,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:26:36,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:26:36,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:26:36,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:26:36,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:26:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:26:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 14:26:36,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:26:36,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:26:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 14:26:36,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:26:36,519 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:26:36,521 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:26:36,667 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:26:36,703 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:26:36,703 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:26:36,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:36 BoogieIcfgContainer [2021-11-19 14:26:36,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:26:36,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:26:36,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:26:36,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:26:36,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:26:35" (1/3) ... [2021-11-19 14:26:36,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1774b553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:36, skipping insertion in model container [2021-11-19 14:26:36,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:26:36" (2/3) ... [2021-11-19 14:26:36,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1774b553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:26:36, skipping insertion in model container [2021-11-19 14:26:36,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:36" (3/3) ... [2021-11-19 14:26:36,722 INFO L111 eAbstractionObserver]: Analyzing ICFG array-1.c [2021-11-19 14:26:36,728 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:26:36,728 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:26:36,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:26:36,802 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 [2021-11-19 14:26:36,803 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:26:36,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2021-11-19 14:26:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-19 14:26:36,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:36,844 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-19 14:26:36,862 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:26:36,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:36,873 INFO L85 PathProgramCache]: Analyzing trace with hash 2064998, now seen corresponding path program 1 times [2021-11-19 14:26:36,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:26:36,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271207641] [2021-11-19 14:26:36,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:36,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:26:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:37,139 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:26:37,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271207641] [2021-11-19 14:26:37,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271207641] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:26:37,141 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:26:37,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 14:26:37,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430538918] [2021-11-19 14:26:37,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:26:37,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:26:37,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:26:37,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:26:37,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:26:37,183 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 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) [2021-11-19 14:26:37,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:26:37,222 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2021-11-19 14:26:37,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:26:37,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 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 [2021-11-19 14:26:37,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:26:37,234 INFO L225 Difference]: With dead ends: 13 [2021-11-19 14:26:37,235 INFO L226 Difference]: Without dead ends: 6 [2021-11-19 14:26:37,238 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:26:37,243 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:26:37,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:26:37,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2021-11-19 14:26:37,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-11-19 14:26:37,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 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) [2021-11-19 14:26:37,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-11-19 14:26:37,281 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2021-11-19 14:26:37,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:26:37,282 INFO L470 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-11-19 14:26:37,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 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) [2021-11-19 14:26:37,283 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2021-11-19 14:26:37,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-19 14:26:37,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:26:37,283 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-19 14:26:37,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:26:37,284 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:26:37,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:26:37,286 INFO L85 PathProgramCache]: Analyzing trace with hash 64119651, now seen corresponding path program 1 times [2021-11-19 14:26:37,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:26:37,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834165006] [2021-11-19 14:26:37,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:37,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:26:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:37,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:37,796 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:26:37,797 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834165006] [2021-11-19 14:26:37,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834165006] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:26:37,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5842440] [2021-11-19 14:26:37,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:26:37,800 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:26:37,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:26:37,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:26:37,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 14:26:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:26:37,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-19 14:26:37,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:26:38,073 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:38,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-19 14:26:38,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 29 [2021-11-19 14:26:38,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:38,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:26:38,480 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:38,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 190 treesize of output 190 [2021-11-19 14:26:38,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2021-11-19 14:26:38,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2021-11-19 14:26:38,684 INFO L354 Elim1Store]: treesize reduction 44, result has 13.7 percent of original size [2021-11-19 14:26:38,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 51 [2021-11-19 14:26:38,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:26:38,748 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5842440] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:26:38,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1608306304] [2021-11-19 14:26:38,771 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-19 14:26:38,771 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:26:38,776 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:26:38,782 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:26:38,783 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:26:38,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:38,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:38,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:38,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-19 14:26:38,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:38,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:38,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:38,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:38,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 14:26:38,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:38,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:38,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 14:26:38,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-19 14:26:38,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:38,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:38,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-19 14:26:38,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-19 14:26:38,867 INFO L446 ElimStorePlain]: Different costs {3=[|v_#length_8|], 9=[|v_#valid_18|]} [2021-11-19 14:26:38,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:26:38,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:26:38,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:26:38,907 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 26 treesize of output 34 [2021-11-19 14:26:38,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:38,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:26:38,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:38,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-19 14:26:38,922 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:38,931 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:38,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:38,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:38,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:38,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:38,934 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:38,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:26:39,006 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:26:39,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:26:39,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:26:39,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-19 14:26:39,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 14:26:39,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-19 14:26:39,038 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:26:39,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-19 14:26:39,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,060 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:222, output treesize:102 [2021-11-19 14:26:39,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-19 14:26:39,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-19 14:26:39,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-11-19 14:26:39,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-19 14:26:39,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 14:26:39,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-19 14:26:39,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-19 14:26:39,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-19 14:26:39,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-19 14:26:39,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:26:39,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-19 14:26:39,147 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-19 14:26:39,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-19 14:26:39,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,165 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 14:26:39,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-19 14:26:39,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:26:39,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-19 14:26:39,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 14:26:39,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,185 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-19 14:26:39,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:26:39,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-19 14:26:39,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-19 14:26:39,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:26:39,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-11-19 14:26:39,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-19 14:26:39,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-19 14:26:39,250 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:39,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,260 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:26:39,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-19 14:26:39,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:26:39,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:26:39,301 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:26:39,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-19 14:26:39,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:26:39,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:26:39,355 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:26:39,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 36 [2021-11-19 14:26:39,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:26:39,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-19 14:26:39,401 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,416 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:39,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,419 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,434 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:39,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,437 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:26:39,507 INFO L628 ElimStorePlain]: treesize reduction 180, result has 64.1 percent of original size [2021-11-19 14:26:39,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 324 [2021-11-19 14:26:39,521 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-19 14:26:39,522 INFO L247 ElimStorePlain]: Needed 7 recursive calls to eliminate 2 variables, input treesize:1034, output treesize:324 [2021-11-19 14:26:39,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:26:39,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:26:39,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:26:39,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:26:39,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:26:39,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:26:39,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-19 14:26:39,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:26:39,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-19 14:26:39,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:26:39,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-19 14:26:39,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-19 14:26:39,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-19 14:26:39,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:26:39,689 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-19 14:26:39,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-19 14:26:39,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,698 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:26:39,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:26:39,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-19 14:26:39,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-19 14:26:39,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-19 14:26:39,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-19 14:26:39,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:26:39,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:26:39,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:39,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,775 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,786 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:39,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,789 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-19 14:26:39,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:26:39,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:26:39,812 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-11-19 14:26:39,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:26:39,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-19 14:26:39,833 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,845 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:39,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,848 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:26:39,895 INFO L628 ElimStorePlain]: treesize reduction 393, result has 62.3 percent of original size [2021-11-19 14:26:39,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:39,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,908 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,917 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:39,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,920 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,928 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:39,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,935 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,942 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-19 14:26:39,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-19 14:26:39,945 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-11-19 14:26:39,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:26:39,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:26:39,976 INFO L180 QuantifierPusher]: treesize reduction 55, result has 73.7 percent of original size [2021-11-19 14:26:39,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-19 14:26:39,982 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-19 14:26:39,982 INFO L247 ElimStorePlain]: Needed 11 recursive calls to eliminate 3 variables, input treesize:1401, output treesize:171 [2021-11-19 14:26:39,994 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:26:40,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:26:40,350 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:26:40,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2021-11-19 14:26:40,351 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630491706] [2021-11-19 14:26:40,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:26:40,352 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:26:40,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:26:40,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:26:40,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-11-19 14:26:40,353 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-11-19 14:26:40,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:26:40,486 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2021-11-19 14:26:40,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:26:40,486 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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 5 [2021-11-19 14:26:40,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:26:40,487 INFO L225 Difference]: With dead ends: 8 [2021-11-19 14:26:40,487 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 14:26:40,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2021-11-19 14:26:40,489 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:26:40,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 0 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:26:40,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 14:26:40,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 14:26:40,491 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) [2021-11-19 14:26:40,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 14:26:40,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2021-11-19 14:26:40,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:26:40,492 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 14:26:40,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-11-19 14:26:40,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 14:26:40,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 14:26:40,495 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 14:26:40,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:26:40,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:26:40,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 14:26:40,783 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 14:26:40,783 INFO L854 garLoopResultBuilder]: At program point L21-3(lines 21 26) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~#array~0#1.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~SIZE~0#1| 1))) (or (and .cse0 (let ((.cse1 (select (select |#memory_int| |ULTIMATE.start_main_~#array~0#1.base|) (+ (* (mod (+ 4294967295 |ULTIMATE.start_main_~j~0#1|) 4294967296) 4) |ULTIMATE.start_main_~#array~0#1.offset|)))) (or (= .cse1 |ULTIMATE.start_main_~menor~0#1|) (< |ULTIMATE.start_main_~menor~0#1| .cse1))) (= |ULTIMATE.start_main_~j~0#1| 1) .cse2) (and .cse0 (= |ULTIMATE.start_main_~j~0#1| 0) .cse2))) [2021-11-19 14:26:40,783 INFO L858 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2021-11-19 14:26:40,786 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 14:26:40,787 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2021-11-19 14:26:40,787 INFO L858 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2021-11-19 14:26:40,787 INFO L861 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: true [2021-11-19 14:26:40,794 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-19 14:26:40,796 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:26:40,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:26:40 BoogieIcfgContainer [2021-11-19 14:26:40,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:26:40,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:26:40,820 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:26:40,821 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:26:40,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:26:36" (3/4) ... [2021-11-19 14:26:40,826 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 14:26:40,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-19 14:26:40,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-19 14:26:40,840 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 14:26:40,841 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 14:26:40,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:26:40,889 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:26:40,891 INFO L158 Benchmark]: Toolchain (without parser) took 5035.78ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 70.8MB in the beginning and 90.9MB in the end (delta: -20.1MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-11-19 14:26:40,891 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:26:40,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.54ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 84.5MB in the end (delta: -13.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 14:26:40,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.23ms. Allocated memory is still 109.1MB. Free memory was 84.5MB in the beginning and 82.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:26:40,893 INFO L158 Benchmark]: Boogie Preprocessor took 61.70ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 81.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:26:40,899 INFO L158 Benchmark]: RCFGBuilder took 387.16ms. Allocated memory is still 109.1MB. Free memory was 81.6MB in the beginning and 70.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:26:40,900 INFO L158 Benchmark]: TraceAbstraction took 4110.72ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 70.3MB in the beginning and 94.0MB in the end (delta: -23.8MB). Peak memory consumption was 148.1kB. Max. memory is 16.1GB. [2021-11-19 14:26:40,900 INFO L158 Benchmark]: Witness Printer took 68.80ms. Allocated memory is still 132.1MB. Free memory was 94.0MB in the beginning and 90.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 14:26:40,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.54ms. Allocated memory is still 109.1MB. Free memory was 70.6MB in the beginning and 84.5MB in the end (delta: -13.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.23ms. Allocated memory is still 109.1MB. Free memory was 84.5MB in the beginning and 82.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.70ms. Allocated memory is still 109.1MB. Free memory was 82.9MB in the beginning and 81.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 387.16ms. Allocated memory is still 109.1MB. Free memory was 81.6MB in the beginning and 70.7MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4110.72ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 70.3MB in the beginning and 94.0MB in the end (delta: -23.8MB). Peak memory consumption was 148.1kB. Max. memory is 16.1GB. * Witness Printer took 68.80ms. Allocated memory is still 132.1MB. Free memory was 94.0MB in the beginning and 90.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7]: 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 53 HoareAnnotationTreeSize, 2 FomulaSimplifications, 3 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 5 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 155 SizeOfPredicates, 14 NumberOfNonLiveVariables, 56 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (((array == 0 && (unknown-#memory_int-unknown[array][(4294967295 + j) % 4294967296 * 4 + array] == menor || menor < unknown-#memory_int-unknown[array][(4294967295 + j) % 4294967296 * 4 + array])) && j == 1) && SIZE == 1) || ((array == 0 && j == 0) && SIZE == 1) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-19 14:26:40,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1aafc040-e773-45f7-b663-bd18bfbf0cee/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE