./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P --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 64bit --witnessprinter.graph.data.programhash cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:32:32,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:32:32,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:32:32,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:32:32,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:32:32,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:32:32,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:32:32,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:32:32,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:32:32,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:32:32,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:32:32,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:32:32,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:32:32,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:32:32,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:32:32,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:32:32,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:32:32,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:32:32,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:32:32,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:32:32,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:32:32,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:32:32,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:32:32,811 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:32:32,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:32:32,821 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:32:32,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:32:32,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:32:32,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:32:32,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:32:32,826 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:32:32,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:32:32,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:32:32,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:32:32,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:32:32,833 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:32:32,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:32:32,834 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:32:32,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:32:32,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:32:32,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:32:32,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:32:32,866 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:32:32,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:32:32,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:32:32,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:32:32,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:32:32,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:32:32,868 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:32:32,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:32:32,868 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:32:32,868 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:32:32,868 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:32:32,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:32:32,869 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:32:32,869 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:32:32,869 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:32:32,869 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:32:32,870 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:32:32,870 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:32:32,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:32:32,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:32:32,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:32:32,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:32:32,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:32:32,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:32:32,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:32:32,872 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:32:32,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:32:32,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:32:32,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:32:32,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:32,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:32:32,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:32:32,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:32:32,873 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:32:32,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:32:32,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:32:32,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:32:32,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:32:32,874 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_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2021-11-20 23:32:33,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:32:33,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:32:33,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:32:33,188 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:32:33,189 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:32:33,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2021-11-20 23:32:33,282 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/data/5a27df5e4/43bc73e82905481eb3e844784ada1bbf/FLAGe86fa5c1e [2021-11-20 23:32:34,147 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:32:34,148 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2021-11-20 23:32:34,197 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/data/5a27df5e4/43bc73e82905481eb3e844784ada1bbf/FLAGe86fa5c1e [2021-11-20 23:32:34,646 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/data/5a27df5e4/43bc73e82905481eb3e844784ada1bbf [2021-11-20 23:32:34,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:32:34,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:32:34,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:34,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:32:34,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:32:34,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c50994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:34, skipping insertion in model container [2021-11-20 23:32:34,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:32:34" (1/1) ... [2021-11-20 23:32:34,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:32:34,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:32:35,127 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_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2021-11-20 23:32:35,136 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_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2021-11-20 23:32:36,138 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:36,139 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:36,140 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:36,141 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:36,142 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:36,158 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:36,158 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:36,160 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:36,161 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:36,627 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 23:32:36,629 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 23:32:36,630 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 23:32:36,632 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 23:32:36,638 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 23:32:36,642 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 23:32:36,643 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 23:32:36,645 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 23:32:36,648 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 23:32:36,651 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 23:32:36,891 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 23:32:37,086 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,087 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:37,259 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:32:37,289 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_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2021-11-20 23:32:37,290 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_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2021-11-20 23:32:37,333 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,334 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,334 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,335 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,335 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,345 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,346 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,347 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,347 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,389 WARN L610 FunctionHandler]: implicit declaration of function __atomic_load_n [2021-11-20 23:32:37,390 WARN L610 FunctionHandler]: implicit declaration of function __atomic_store_n [2021-11-20 23:32:37,391 WARN L610 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2021-11-20 23:32:37,391 WARN L610 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2021-11-20 23:32:37,395 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2021-11-20 23:32:37,396 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2021-11-20 23:32:37,396 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2021-11-20 23:32:37,397 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2021-11-20 23:32:37,398 WARN L610 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2021-11-20 23:32:37,403 WARN L610 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2021-11-20 23:32:37,426 WARN L610 FunctionHandler]: implicit declaration of function __builtin_va_copy [2021-11-20 23:32:37,543 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,543 WARN L1533 CHandler]: Possible shadowing of function index [2021-11-20 23:32:37,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:32:37,817 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:32:37,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37 WrapperNode [2021-11-20 23:32:37,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:32:37,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:37,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:32:37,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:32:37,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37" (1/1) ... [2021-11-20 23:32:37,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37" (1/1) ... [2021-11-20 23:32:38,029 INFO L137 Inliner]: procedures = 691, calls = 2668, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 900 [2021-11-20 23:32:38,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:32:38,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:32:38,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:32:38,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:32:38,040 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37" (1/1) ... [2021-11-20 23:32:38,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37" (1/1) ... [2021-11-20 23:32:38,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37" (1/1) ... [2021-11-20 23:32:38,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37" (1/1) ... [2021-11-20 23:32:38,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37" (1/1) ... [2021-11-20 23:32:38,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37" (1/1) ... [2021-11-20 23:32:38,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37" (1/1) ... [2021-11-20 23:32:38,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:32:38,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:32:38,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:32:38,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:32:38,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37" (1/1) ... [2021-11-20 23:32:38,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:32:38,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:38,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:32:38,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:32:38,248 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2021-11-20 23:32:38,248 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2021-11-20 23:32:38,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:32:38,249 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2021-11-20 23:32:38,250 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2021-11-20 23:32:38,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:32:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-20 23:32:38,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-20 23:32:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:32:38,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:32:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2021-11-20 23:32:38,252 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2021-11-20 23:32:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:32:38,252 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2021-11-20 23:32:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2021-11-20 23:32:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2021-11-20 23:32:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2021-11-20 23:32:38,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:32:38,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:32:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2021-11-20 23:32:38,254 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2021-11-20 23:32:38,254 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2021-11-20 23:32:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2021-11-20 23:32:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2021-11-20 23:32:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2021-11-20 23:32:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 23:32:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 23:32:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2021-11-20 23:32:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2021-11-20 23:32:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:32:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:32:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2021-11-20 23:32:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2021-11-20 23:32:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:32:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2021-11-20 23:32:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2021-11-20 23:32:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2021-11-20 23:32:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2021-11-20 23:32:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2021-11-20 23:32:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2021-11-20 23:32:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:32:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2021-11-20 23:32:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2021-11-20 23:32:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:32:38,668 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:32:38,671 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:32:39,991 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:32:40,186 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:32:40,187 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 23:32:40,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:40 BoogieIcfgContainer [2021-11-20 23:32:40,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:32:40,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:32:40,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:32:40,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:32:40,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:32:34" (1/3) ... [2021-11-20 23:32:40,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5407a190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:40, skipping insertion in model container [2021-11-20 23:32:40,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:32:37" (2/3) ... [2021-11-20 23:32:40,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5407a190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:32:40, skipping insertion in model container [2021-11-20 23:32:40,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:32:40" (3/3) ... [2021-11-20 23:32:40,203 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2021-11-20 23:32:40,214 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:32:40,214 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 23:32:40,283 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:32:40,289 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 [2021-11-20 23:32:40,290 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 23:32:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand has 152 states, 76 states have (on average 1.1578947368421053) internal successors, (88), 78 states have internal predecessors, (88), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2021-11-20 23:32:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-20 23:32:40,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:32:40,328 INFO L514 BasicCegarLoop]: trace histogram [10, 6, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:32:40,328 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 23:32:40,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:32:40,334 INFO L85 PathProgramCache]: Analyzing trace with hash -2116786625, now seen corresponding path program 1 times [2021-11-20 23:32:40,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:32:40,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495569061] [2021-11-20 23:32:40,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:40,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:32:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-20 23:32:46,948 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:32:46,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495569061] [2021-11-20 23:32:46,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495569061] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 23:32:46,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944401464] [2021-11-20 23:32:46,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:32:46,949 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 23:32:46,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:32:46,954 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 23:32:46,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638a04f3-eea4-4b40-9cb8-4d86b47eb2f1/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 23:32:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:32:47,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 2860 conjuncts, 206 conjunts are in the unsatisfiable core [2021-11-20 23:32:47,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 23:32:47,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-20 23:32:48,245 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-20 23:32:48,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-20 23:32:48,902 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 18 treesize of output 14 [2021-11-20 23:32:48,915 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 1 [2021-11-20 23:32:52,470 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 12 treesize of output 8 [2021-11-20 23:32:57,025 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 33 treesize of output 29 [2021-11-20 23:32:57,038 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 1 [2021-11-20 23:33:32,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:32,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 9 [2021-11-20 23:33:32,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:32,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 36 [2021-11-20 23:33:47,833 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-20 23:33:47,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-20 23:33:48,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:48,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:48,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:48,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:48,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:33:48,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:48,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:49,067 INFO L354 Elim1Store]: treesize reduction 52, result has 33.3 percent of original size [2021-11-20 23:33:49,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 6 case distinctions, treesize of input 138 treesize of output 140 [2021-11-20 23:33:49,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:33:49,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:49,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:49,125 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-20 23:33:49,126 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 3 case distinctions, treesize of input 122 treesize of output 117 [2021-11-20 23:33:49,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:49,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-20 23:33:49,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-20 23:33:49,145 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-20 23:33:49,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 112 [2021-11-20 23:33:53,575 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:33:53,592 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:33:53,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:33:53,618 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-20 23:34:06,385 INFO L354 Elim1Store]: treesize reduction 64, result has 81.0 percent of original size [2021-11-20 23:34:06,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 1 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 268 treesize of output 448 [2021-11-20 23:34:07,301 INFO L354 Elim1Store]: treesize reduction 32, result has 81.1 percent of original size [2021-11-20 23:34:07,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 717 treesize of output 817