./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.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW --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 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:13:00,813 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:13:00,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:13:00,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:13:00,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:13:00,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:13:00,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:13:00,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:13:00,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:13:00,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:13:00,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:13:00,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:13:00,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:13:00,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:13:00,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:13:00,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:13:00,902 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:13:00,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:13:00,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:13:00,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:13:00,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:13:00,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:13:00,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:13:00,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:13:00,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:13:00,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:13:00,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:13:00,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:13:00,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:13:00,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:13:00,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:13:00,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:13:00,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:13:00,941 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:13:00,942 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:13:00,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:13:00,943 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:13:00,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:13:00,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:13:00,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:13:00,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:13:00,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:13:01,005 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:13:01,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:13:01,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:13:01,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:13:01,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:13:01,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:13:01,009 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:13:01,010 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:13:01,010 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:13:01,010 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:13:01,011 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:13:01,012 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:13:01,012 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:13:01,012 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:13:01,012 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:13:01,013 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:13:01,013 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:13:01,013 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:13:01,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:13:01,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:13:01,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:13:01,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:13:01,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:13:01,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:13:01,017 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:13:01,017 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:13:01,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:13:01,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:13:01,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:13:01,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:13:01,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:13:01,019 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:13:01,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:13:01,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:13:01,019 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:13:01,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:13:01,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:13:01,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:13:01,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a14ff88669e01083ca46db0c80d319fe5a2f969bf71d428fc27ed5e7149831c [2022-11-23 14:13:01,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:13:01,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:13:01,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:13:01,414 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:13:01,415 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:13:01,417 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-23 14:13:05,153 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:13:05,872 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:13:05,873 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-23 14:13:05,941 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/data/37641775d/93cd89574ab7450d942d5a71afcabf73/FLAG081f0ab99 [2022-11-23 14:13:05,966 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/data/37641775d/93cd89574ab7450d942d5a71afcabf73 [2022-11-23 14:13:05,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:13:05,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:13:05,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:13:05,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:13:05,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:13:05,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:05" (1/1) ... [2022-11-23 14:13:05,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4b3931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:05, skipping insertion in model container [2022-11-23 14:13:05,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:05" (1/1) ... [2022-11-23 14:13:05,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:13:06,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:13:06,529 WARN L237 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_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2022-11-23 14:13:06,538 WARN L237 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_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2022-11-23 14:13:07,891 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:07,892 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:07,893 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:07,894 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:07,895 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:07,911 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:07,912 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:07,914 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:07,915 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:08,383 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 14:13:08,385 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 14:13:08,386 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 14:13:08,387 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 14:13:08,389 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 14:13:08,390 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 14:13:08,391 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 14:13:08,391 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 14:13:08,392 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 14:13:08,393 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 14:13:08,587 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 14:13:08,720 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:08,720 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:08,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:13:08,880 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:13:08,897 WARN L237 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_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4510,4523] [2022-11-23 14:13:08,898 WARN L237 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_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i[4570,4583] [2022-11-23 14:13:09,039 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:09,039 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:09,040 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:09,040 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:09,041 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:09,049 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:09,050 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:09,051 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:09,052 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:09,112 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-23 14:13:09,113 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-23 14:13:09,114 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-23 14:13:09,115 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-23 14:13:09,119 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-23 14:13:09,120 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-23 14:13:09,120 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-23 14:13:09,121 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-23 14:13:09,122 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-23 14:13:09,122 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-23 14:13:09,165 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-23 14:13:09,273 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:09,273 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-23 14:13:09,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:13:09,624 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:13:09,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09 WrapperNode [2022-11-23 14:13:09,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:13:09,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:13:09,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:13:09,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:13:09,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2022-11-23 14:13:09,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2022-11-23 14:13:09,855 INFO L138 Inliner]: procedures = 691, calls = 2655, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 901 [2022-11-23 14:13:09,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:13:09,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:13:09,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:13:09,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:13:09,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2022-11-23 14:13:09,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2022-11-23 14:13:09,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2022-11-23 14:13:09,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2022-11-23 14:13:09,961 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2022-11-23 14:13:09,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2022-11-23 14:13:09,988 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2022-11-23 14:13:09,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2022-11-23 14:13:10,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:13:10,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:13:10,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:13:10,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:13:10,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (1/1) ... [2022-11-23 14:13:10,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:13:10,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:13:10,040 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:13:10,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:13:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-11-23 14:13:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-11-23 14:13:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:13:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-23 14:13:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-23 14:13:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:13:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:13:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:13:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:13:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:13:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-11-23 14:13:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-11-23 14:13:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:13:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-23 14:13:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-23 14:13:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-23 14:13:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2022-11-23 14:13:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:13:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:13:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-23 14:13:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-23 14:13:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-23 14:13:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-23 14:13:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 14:13:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 14:13:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-23 14:13:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-23 14:13:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:13:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:13:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2022-11-23 14:13:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2022-11-23 14:13:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:13:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-23 14:13:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-23 14:13:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-23 14:13:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-23 14:13:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2022-11-23 14:13:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2022-11-23 14:13:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:13:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2022-11-23 14:13:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2022-11-23 14:13:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:13:10,586 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:13:10,590 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:13:12,276 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:13:12,595 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:13:12,596 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 14:13:12,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:12 BoogieIcfgContainer [2022-11-23 14:13:12,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:13:12,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:13:12,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:13:12,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:13:12,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:13:05" (1/3) ... [2022-11-23 14:13:12,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d83552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:12, skipping insertion in model container [2022-11-23 14:13:12,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:09" (2/3) ... [2022-11-23 14:13:12,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d83552 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:13:12, skipping insertion in model container [2022-11-23 14:13:12,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:13:12" (3/3) ... [2022-11-23 14:13:12,615 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2022-11-23 14:13:12,637 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:13:12,637 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:13:12,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:13:12,729 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@47fe39e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:13:12,729 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:13:12,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 70 states have (on average 1.1714285714285715) internal successors, (82), 72 states have internal predecessors, (82), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-23 14:13:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-23 14:13:12,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:13:12,763 INFO L195 NwaCegarLoop]: trace histogram [10, 6, 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] [2022-11-23 14:13:12,763 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:13:12,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:13:12,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1697854277, now seen corresponding path program 1 times [2022-11-23 14:13:12,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:13:12,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690549995] [2022-11-23 14:13:12,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:12,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:13:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-11-23 14:13:46,513 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:13:46,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690549995] [2022-11-23 14:13:46,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690549995] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 14:13:46,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687625032] [2022-11-23 14:13:46,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:13:46,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:13:46,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:13:46,519 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:13:46,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f66745a-3ee5-4589-9ca8-e25dd6db8e87/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:13:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:13:47,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 240 conjunts are in the unsatisfiable core [2022-11-23 14:13:47,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:13:47,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10 treesize of output 8 [2022-11-23 14:13:48,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-23 14:13:48,448 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-23 14:13:50,353 INFO L350 Elim1Store]: Elim1 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 7 treesize of output 3 [2022-11-23 14:13:50,360 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 4 [2022-11-23 14:13:50,774 INFO L350 Elim1Store]: Elim1 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 6 treesize of output 5 [2022-11-23 14:13:50,778 INFO L350 Elim1Store]: Elim1 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 6 treesize of output 5 [2022-11-23 14:13:51,014 INFO L350 Elim1Store]: Elim1 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-23 14:13:51,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-11-23 14:13:51,040 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse0 (+ 8 |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.offset|))) (and (exists ((v_arrayElimArr_1 (Array Int Int))) (and (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_1)) (= (select v_arrayElimArr_1 .cse0) 0))) (< 0 |c_#StackHeapBarrier|) (exists ((v_arrayElimArr_2 (Array Int Int))) (and (not (= (select v_arrayElimArr_2 .cse0) 0)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_ensure_byte_buf_has_allocated_buffer_member_#in~buf.base| v_arrayElimArr_2)))))) is different from true [2022-11-23 14:13:51,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2022-11-23 14:13:51,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-23 14:13:52,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-23 14:13:52,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2022-11-23 14:13:53,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:13:53,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:13:53,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:13:53,827 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-23 14:13:53,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 47 [2022-11-23 14:13:53,920 INFO L321 Elim1Store]: treesize reduction 54, result has 26.0 percent of original size [2022-11-23 14:13:53,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2022-11-23 14:13:54,012 INFO L321 Elim1Store]: treesize reduction 54, result has 26.0 percent of original size [2022-11-23 14:13:54,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 51 [2022-11-23 14:13:54,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-23 14:13:54,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-23 14:13:54,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 18 treesize of output 14 [2022-11-23 14:13:54,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 13 [2022-11-23 14:14:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 42 proven. 74 refuted. 0 times theorem prover too weak. 22 trivial. 1 not checked. [2022-11-23 14:14:11,719 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:14:15,545 WARN L176 XnfTransformerHelper]: Simplifying conjuction of 76449 disjunctions. This might take some time... [2022-11-23 14:22:56,829 INFO L192 XnfTransformerHelper]: Simplified to conjuction of 76449 disjunctions.