./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba --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 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 --- 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-b5237d8 [2022-11-22 02:44:49,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:44:49,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:44:49,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:44:49,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:44:49,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:44:49,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:44:49,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:44:49,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:44:49,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:44:49,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:44:49,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:44:49,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:44:49,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:44:49,893 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:44:49,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:44:49,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:44:49,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:44:49,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:44:49,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:44:49,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:44:49,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:44:49,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:44:49,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:44:49,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:44:49,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:44:49,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:44:49,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:44:49,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:44:49,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:44:49,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:44:49,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:44:49,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:44:49,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:44:49,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:44:49,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:44:49,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:44:49,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:44:49,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:44:49,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:44:49,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:44:49,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 02:44:49,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:44:49,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:44:49,989 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:44:49,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:44:49,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:44:49,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:44:49,991 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:44:49,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:44:49,991 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:44:49,991 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:44:49,993 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:44:49,993 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:44:49,993 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:44:49,993 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:44:49,994 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:44:49,994 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:44:49,994 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:44:49,994 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:44:49,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:44:49,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:44:49,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:44:49,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:44:49,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:44:49,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:44:49,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:44:49,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:44:49,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:44:49,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:44:49,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:44:49,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:44:49,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:44:49,999 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:44:49,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:44:49,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:44:49,999 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:44:50,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:44:50,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:44:50,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:44:50,000 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_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43b2ef256b4d1a93a084f86d3d9a0522c1b29c695f7bf9f8438f4c917cc80da0 [2022-11-22 02:44:50,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:44:50,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:44:50,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:44:50,330 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:44:50,331 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:44:50,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-11-22 02:44:53,359 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:44:53,920 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:44:53,921 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2022-11-22 02:44:53,957 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/data/6704e0719/e62ed4fe66b74181a6de980b0004d1e2/FLAGcc7279d04 [2022-11-22 02:44:53,975 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/data/6704e0719/e62ed4fe66b74181a6de980b0004d1e2 [2022-11-22 02:44:53,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:44:53,981 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:44:53,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:44:53,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:44:53,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:44:53,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:44:53" (1/1) ... [2022-11-22 02:44:53,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595478a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:53, skipping insertion in model container [2022-11-22 02:44:53,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:44:53" (1/1) ... [2022-11-22 02:44:53,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:44:54,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:44:54,325 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_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-11-22 02:44:54,332 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_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-11-22 02:44:55,240 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:44:55,330 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,331 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,332 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,333 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,334 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,348 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,349 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,351 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,352 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,354 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,355 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,356 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,356 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,750 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:44:55,751 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:44:55,752 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:44:55,754 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:44:55,755 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:44:55,771 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:44:55,772 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:44:55,773 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:44:55,773 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:44:55,774 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:44:55,934 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:55,942 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:44:56,042 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:44:56,073 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_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2022-11-22 02:44:56,074 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_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2022-11-22 02:44:56,136 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-22 02:44:56,171 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,172 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,173 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,174 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,175 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,188 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,191 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,193 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,194 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,198 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,199 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,199 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,200 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,261 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-22 02:44:56,262 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-22 02:44:56,263 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-22 02:44:56,263 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-22 02:44:56,264 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-22 02:44:56,268 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-22 02:44:56,268 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-22 02:44:56,269 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-22 02:44:56,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-22 02:44:56,270 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-22 02:44:56,321 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,325 WARN L1569 CHandler]: Possible shadowing of function index [2022-11-22 02:44:56,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:44:56,563 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:44:56,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56 WrapperNode [2022-11-22 02:44:56,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:44:56,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:44:56,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:44:56,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:44:56,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (1/1) ... [2022-11-22 02:44:56,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (1/1) ... [2022-11-22 02:44:56,734 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 655 [2022-11-22 02:44:56,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:44:56,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:44:56,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:44:56,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:44:56,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (1/1) ... [2022-11-22 02:44:56,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (1/1) ... [2022-11-22 02:44:56,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (1/1) ... [2022-11-22 02:44:56,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (1/1) ... [2022-11-22 02:44:56,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (1/1) ... [2022-11-22 02:44:56,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (1/1) ... [2022-11-22 02:44:56,791 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (1/1) ... [2022-11-22 02:44:56,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (1/1) ... [2022-11-22 02:44:56,831 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:44:56,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:44:56,832 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:44:56,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:44:56,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (1/1) ... [2022-11-22 02:44:56,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:44:56,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:44:56,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:44:56,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:44:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 02:44:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-22 02:44:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-22 02:44:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-22 02:44:56,941 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-22 02:44:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-22 02:44:56,942 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-22 02:44:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 02:44:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-22 02:44:56,942 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-22 02:44:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-22 02:44:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-22 02:44:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 02:44:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:44:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 02:44:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-22 02:44:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-22 02:44:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:44:56,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:44:56,944 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-22 02:44:56,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-22 02:44:56,945 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-22 02:44:56,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-22 02:44:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-22 02:44:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-22 02:44:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-22 02:44:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-22 02:44:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-11-22 02:44:56,946 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-11-22 02:44:56,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 02:44:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 02:44:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-22 02:44:56,947 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-22 02:44:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 02:44:56,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 02:44:56,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 02:44:56,949 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-22 02:44:56,949 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-22 02:44:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-22 02:44:56,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-22 02:44:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 02:44:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-22 02:44:56,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-22 02:44:56,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:44:57,341 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:44:57,345 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:44:58,488 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:44:58,704 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:44:58,704 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:44:58,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:44:58 BoogieIcfgContainer [2022-11-22 02:44:58,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:44:58,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:44:58,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:44:58,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:44:58,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:44:53" (1/3) ... [2022-11-22 02:44:58,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7915be74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:44:58, skipping insertion in model container [2022-11-22 02:44:58,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:44:56" (2/3) ... [2022-11-22 02:44:58,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7915be74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:44:58, skipping insertion in model container [2022-11-22 02:44:58,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:44:58" (3/3) ... [2022-11-22 02:44:58,726 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness.i [2022-11-22 02:44:58,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:44:58,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 02:44:58,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:44:58,825 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;@232ebb78, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:44:58,825 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 02:44:58,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 79 states have internal predecessors, (92), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-22 02:44:58,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-22 02:44:58,849 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:44:58,852 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 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] [2022-11-22 02:44:58,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:44:58,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:44:58,861 INFO L85 PathProgramCache]: Analyzing trace with hash 760808035, now seen corresponding path program 1 times [2022-11-22 02:44:58,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:44:58,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133053740] [2022-11-22 02:44:58,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:44:58,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:44:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:00,066 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-11-22 02:45:00,067 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:00,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133053740] [2022-11-22 02:45:00,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133053740] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 02:45:00,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039902868] [2022-11-22 02:45:00,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:00,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:00,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:00,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:45:00,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 02:45:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:00,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 02:45:00,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:45:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-11-22 02:45:00,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:45:00,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039902868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:45:00,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 02:45:00,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-22 02:45:00,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794705858] [2022-11-22 02:45:00,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:45:00,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:45:00,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:45:00,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:45:00,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:45:00,906 INFO L87 Difference]: Start difference. First operand has 149 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 79 states have internal predecessors, (92), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-22 02:45:01,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:45:01,570 INFO L93 Difference]: Finished difference Result 275 states and 387 transitions. [2022-11-22 02:45:01,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:45:01,573 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 95 [2022-11-22 02:45:01,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:45:01,583 INFO L225 Difference]: With dead ends: 275 [2022-11-22 02:45:01,583 INFO L226 Difference]: Without dead ends: 145 [2022-11-22 02:45:01,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 02:45:01,590 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 39 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:45:01,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 558 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:45:01,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-22 02:45:01,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-11-22 02:45:01,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (56), 51 states have call predecessors, (56), 51 states have call successors, (56) [2022-11-22 02:45:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 194 transitions. [2022-11-22 02:45:01,645 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 194 transitions. Word has length 95 [2022-11-22 02:45:01,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:45:01,645 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 194 transitions. [2022-11-22 02:45:01,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-11-22 02:45:01,646 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 194 transitions. [2022-11-22 02:45:01,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-22 02:45:01,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:01,650 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 3, 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] [2022-11-22 02:45:01,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 02:45:01,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-22 02:45:01,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:01,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:01,860 INFO L85 PathProgramCache]: Analyzing trace with hash 2068520097, now seen corresponding path program 1 times [2022-11-22 02:45:01,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:01,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816948307] [2022-11-22 02:45:01,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:01,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:01,972 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:45:01,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [791987471] [2022-11-22 02:45:01,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:01,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:01,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:01,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:45:02,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 02:45:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:02,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 2476 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-22 02:45:02,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:45:02,730 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-11-22 02:45:02,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:45:02,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:02,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816948307] [2022-11-22 02:45:02,731 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:45:02,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791987471] [2022-11-22 02:45:02,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791987471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:45:02,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:45:02,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 02:45:02,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774759948] [2022-11-22 02:45:02,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:45:02,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 02:45:02,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:45:02,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 02:45:02,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 02:45:02,735 INFO L87 Difference]: Start difference. First operand 145 states and 194 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-22 02:45:03,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:45:03,391 INFO L93 Difference]: Finished difference Result 236 states and 315 transitions. [2022-11-22 02:45:03,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 02:45:03,392 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 113 [2022-11-22 02:45:03,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:45:03,394 INFO L225 Difference]: With dead ends: 236 [2022-11-22 02:45:03,395 INFO L226 Difference]: Without dead ends: 145 [2022-11-22 02:45:03,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:45:03,397 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 52 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 02:45:03,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 623 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 02:45:03,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-22 02:45:03,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-11-22 02:45:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2022-11-22 02:45:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions. [2022-11-22 02:45:03,425 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 191 transitions. Word has length 113 [2022-11-22 02:45:03,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:45:03,426 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 191 transitions. [2022-11-22 02:45:03,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-22 02:45:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions. [2022-11-22 02:45:03,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-22 02:45:03,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:03,441 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-22 02:45:03,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 02:45:03,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:03,651 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:03,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:03,651 INFO L85 PathProgramCache]: Analyzing trace with hash -789505348, now seen corresponding path program 2 times [2022-11-22 02:45:03,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:03,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348756906] [2022-11-22 02:45:03,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:03,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:03,742 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:45:03,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [727769351] [2022-11-22 02:45:03,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 02:45:03,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:03,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:03,743 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:45:03,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 02:45:04,478 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-22 02:45:04,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:45:04,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 02:45:04,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:45:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-11-22 02:45:04,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:45:04,525 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:04,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348756906] [2022-11-22 02:45:04,525 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:45:04,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727769351] [2022-11-22 02:45:04,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727769351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:45:04,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:45:04,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 02:45:04,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618290668] [2022-11-22 02:45:04,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:45:04,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 02:45:04,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:45:04,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 02:45:04,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:45:04,528 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. Second operand has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 02:45:05,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:45:05,063 INFO L93 Difference]: Finished difference Result 232 states and 306 transitions. [2022-11-22 02:45:05,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 02:45:05,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 122 [2022-11-22 02:45:05,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:45:05,066 INFO L225 Difference]: With dead ends: 232 [2022-11-22 02:45:05,066 INFO L226 Difference]: Without dead ends: 145 [2022-11-22 02:45:05,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 02:45:05,068 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-22 02:45:05,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 591 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-22 02:45:05,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-22 02:45:05,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-11-22 02:45:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (52), 51 states have call predecessors, (52), 51 states have call successors, (52) [2022-11-22 02:45:05,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 190 transitions. [2022-11-22 02:45:05,083 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 190 transitions. Word has length 122 [2022-11-22 02:45:05,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:45:05,084 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 190 transitions. [2022-11-22 02:45:05,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 02:45:05,084 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 190 transitions. [2022-11-22 02:45:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-22 02:45:05,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:05,086 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1] [2022-11-22 02:45:05,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 02:45:05,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:05,296 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:05,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:05,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1803789845, now seen corresponding path program 3 times [2022-11-22 02:45:05,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:05,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935633506] [2022-11-22 02:45:05,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:05,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:05,390 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:45:05,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1769450782] [2022-11-22 02:45:05,390 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 02:45:05,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:05,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:05,391 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:45:05,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 02:45:06,074 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 02:45:06,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 02:45:06,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 2740 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 02:45:06,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:45:06,251 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-11-22 02:45:06,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 02:45:06,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:06,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935633506] [2022-11-22 02:45:06,251 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:45:06,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769450782] [2022-11-22 02:45:06,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769450782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:45:06,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:45:06,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-22 02:45:06,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941260701] [2022-11-22 02:45:06,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:45:06,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-22 02:45:06,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:45:06,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-22 02:45:06,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-22 02:45:06,254 INFO L87 Difference]: Start difference. First operand 145 states and 190 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-22 02:45:07,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:45:07,042 INFO L93 Difference]: Finished difference Result 231 states and 302 transitions. [2022-11-22 02:45:07,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 02:45:07,043 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) Word has length 131 [2022-11-22 02:45:07,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:45:07,045 INFO L225 Difference]: With dead ends: 231 [2022-11-22 02:45:07,045 INFO L226 Difference]: Without dead ends: 143 [2022-11-22 02:45:07,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-11-22 02:45:07,046 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 55 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-22 02:45:07,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 870 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-22 02:45:07,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-22 02:45:07,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-22 02:45:07,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.1216216216216217) internal successors, (83), 75 states have internal predecessors, (83), 53 states have call successors, (53), 16 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-22 02:45:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2022-11-22 02:45:07,059 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 131 [2022-11-22 02:45:07,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:45:07,060 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2022-11-22 02:45:07,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 5 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (22), 5 states have call predecessors, (22), 4 states have call successors, (22) [2022-11-22 02:45:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2022-11-22 02:45:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-22 02:45:07,062 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:07,062 INFO L195 NwaCegarLoop]: trace histogram [10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-11-22 02:45:07,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 02:45:07,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:07,273 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 02:45:07,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:07,273 INFO L85 PathProgramCache]: Analyzing trace with hash -80931936, now seen corresponding path program 1 times [2022-11-22 02:45:07,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:07,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872781809] [2022-11-22 02:45:07,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:07,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:07,370 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-22 02:45:07,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1838173965] [2022-11-22 02:45:07,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:07,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 02:45:07,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:07,372 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 02:45:07,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37a1949d-1e2b-4dd2-9b78-be82e5cbc6cb/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 02:45:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:45:08,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 2872 conjuncts, 56 conjunts are in the unsatisfiable core [2022-11-22 02:45:08,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 02:45:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 6 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-11-22 02:45:08,357 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 02:45:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-11-22 02:45:08,886 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:45:08,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872781809] [2022-11-22 02:45:08,887 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-22 02:45:08,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838173965] [2022-11-22 02:45:08,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838173965] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 02:45:08,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [734624374] [2022-11-22 02:45:08,909 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-11-22 02:45:08,909 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 02:45:08,914 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 02:45:08,919 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 02:45:08,920 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 02:45:12,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:12,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:12,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:12,723 INFO L217 Elim1Store]: Index analysis took 471 ms [2022-11-22 02:45:29,787 WARN L233 SmtUtils]: Spent 16.99s on a formula simplification. DAG size of input: 1740 DAG size of output: 1157 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 02:45:29,795 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-11-22 02:45:29,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19114 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 193 case distinctions, treesize of input 987 treesize of output 2338 [2022-11-22 02:45:33,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:33,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:34,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:45:34,336 INFO L217 Elim1Store]: Index analysis took 684 ms [2022-11-22 02:46:01,877 WARN L233 SmtUtils]: Spent 27.48s on a formula simplification. DAG size of input: 2128 DAG size of output: 1161 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 02:46:01,881 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-11-22 02:46:01,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19310 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 386 case distinctions, treesize of input 997 treesize of output 2357 [2022-11-22 02:47:04,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:04,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:04,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-11-22 02:47:04,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:04,719 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 44 treesize of output 43 [2022-11-22 02:47:04,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:04,727 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 44 treesize of output 43 [2022-11-22 02:47:04,735 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 15 treesize of output 1 [2022-11-22 02:47:08,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,351 INFO L217 Elim1Store]: Index analysis took 153 ms [2022-11-22 02:47:08,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:08,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:08,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:08,462 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-22 02:47:08,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-22 02:47:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-11-22 02:47:09,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,555 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1243 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 644 treesize of output 304 [2022-11-22 02:47:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:09,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:10,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:10,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:10,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:10,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:10,087 INFO L217 Elim1Store]: Index analysis took 134 ms [2022-11-22 02:47:10,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17052 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 0 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-22 02:47:10,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:10,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:10,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-11-22 02:47:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,407 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:47:19,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19305 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 2 case distinctions, treesize of input 986 treesize of output 592 [2022-11-22 02:47:19,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:19,849 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:47:19,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 55 select indices, 55 select index equivalence classes, 1245 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 4 case distinctions, treesize of input 644 treesize of output 304 [2022-11-22 02:47:20,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:20,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:20,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,398 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-22 02:47:20,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 586 [2022-11-22 02:47:20,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:20,892 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:47:20,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-11-22 02:47:21,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,582 INFO L217 Elim1Store]: Index analysis took 101 ms [2022-11-22 02:47:21,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,597 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:21,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:21,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:21,673 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-11-22 02:47:21,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 195 select indices, 195 select index equivalence classes, 17054 disjoint index pairs (out of 18915 index pairs), introduced 195 new quantified variables, introduced 18 case distinctions, treesize of input 1752 treesize of output 594 [2022-11-22 02:47:22,732 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-22 02:47:22,749 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:47:22,775 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:47:22,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-22 02:47:22,820 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 15 treesize of output 1 [2022-11-22 02:47:22,839 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 15 treesize of output 1 [2022-11-22 02:47:22,847 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 [2022-11-22 02:47:22,854 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 15 treesize of output 1 [2022-11-22 02:47:22,903 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:47:22,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-22 02:47:22,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:47:22,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:47:22,974 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:47:22,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-11-22 02:47:22,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:47:22,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:47:23,154 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:47:23,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-22 02:47:24,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:24,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-22 02:47:24,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:24,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-22 02:47:25,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-11-22 02:47:25,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:25,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 30 [2022-11-22 02:47:25,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:25,364 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 197 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 24 [2022-11-22 02:47:26,784 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-22 02:47:26,785 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 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-22 02:47:26,830 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-22 02:47:26,831 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-22 02:47:27,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:27,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:27,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:27,106 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-22 02:47:27,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-22 02:47:27,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:27,132 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:47:27,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-22 02:47:27,148 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:47:27,161 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:47:27,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,180 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:27,187 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:47:27,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-22 02:47:27,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:47:27,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,406 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:27,407 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:27,408 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:27,415 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-22 02:47:27,416 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 81 treesize of output 33 [2022-11-22 02:47:27,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 02:47:27,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,445 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:27,452 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:47:27,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-22 02:47:27,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:27,468 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 02:47:27,474 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-11-22 02:47:27,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 10 [2022-11-22 02:47:45,747 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 47 for LOIs [2022-11-22 02:47:45,767 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-22 02:47:45,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-22 02:47:45,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:45,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:45,838 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:47:45,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-22 02:47:45,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:47:45,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:47:45,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:47:45,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:45,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 02:47:45,932 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-22 02:47:45,933 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-11-22 02:47:45,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 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 5 treesize of output 3 [2022-11-22 02:47:46,250 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-11-22 02:47:46,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 180 treesize of output 197 [2022-11-22 02:47:46,820 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2820 for LOIs [2022-11-22 02:47:50,035 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-11-22 02:47:50,320 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-11-22 02:47:50,340 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2869 for LOIs [2022-11-22 02:49:30,103 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-11-22 02:49:36,252 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-11-22 02:49:36,255 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 70 for LOIs [2022-11-22 02:49:36,364 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 64 for LOIs [2022-11-22 02:49:36,376 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 02:52:06,617 WARN L233 SmtUtils]: Spent 2.49m on a formula simplification. DAG size of input: 2815 DAG size of output: 2431 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:54:44,572 WARN L233 SmtUtils]: Spent 2.61m on a formula simplification. DAG size of input: 2820 DAG size of output: 2436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-22 02:58:02,304 WARN L233 SmtUtils]: Spent 3.27m on a formula simplification. DAG size of input: 2862 DAG size of output: 2478 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)