./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur --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 d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 --- 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-38b53e6 [2022-11-26 00:02:57,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:02:57,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:02:57,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:02:57,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:02:57,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:02:57,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:02:57,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:02:57,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:02:57,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:02:57,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:02:57,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:02:57,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:02:57,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:02:57,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:02:57,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:02:57,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:02:57,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:02:57,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:02:57,745 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:02:57,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:02:57,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:02:57,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:02:57,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:02:57,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:02:57,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:02:57,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:02:57,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:02:57,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:02:57,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:02:57,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:02:57,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:02:57,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:02:57,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:02:57,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:02:57,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:02:57,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:02:57,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:02:57,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:02:57,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:02:57,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:02:57,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:02:57,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:02:57,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:02:57,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:02:57,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:02:57,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:02:57,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:02:57,839 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:02:57,839 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:02:57,840 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:02:57,840 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:02:57,841 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:02:57,842 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:02:57,842 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:02:57,842 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:02:57,842 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:02:57,843 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:02:57,843 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:02:57,843 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:02:57,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:02:57,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:02:57,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:02:57,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:02:57,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:02:57,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:02:57,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:02:57,846 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:02:57,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:02:57,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:02:57,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:02:57,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:02:57,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:02:57,848 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:02:57,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:02:57,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:02:57,848 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:02:57,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:02:57,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:02:57,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:02:57,849 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_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d58b6cbe3dbcae2c6bf4b35286cc82fa39ed49d435b7e41930b97647d699f843 [2022-11-26 00:02:58,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:02:58,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:02:58,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:02:58,250 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:02:58,250 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:02:58,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2022-11-26 00:03:02,119 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:03:02,785 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:03:02,786 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i [2022-11-26 00:03:02,840 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/data/2e1b3efa4/c58f0a3230ab497f9fd332509cb76e4e/FLAG6fe5ae9ce [2022-11-26 00:03:02,865 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/data/2e1b3efa4/c58f0a3230ab497f9fd332509cb76e4e [2022-11-26 00:03:02,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:03:02,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:03:02,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:03:02,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:03:02,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:03:02,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:02" (1/1) ... [2022-11-26 00:03:02,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4adf61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:02, skipping insertion in model container [2022-11-26 00:03:02,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:03:02" (1/1) ... [2022-11-26 00:03:02,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:03:03,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:03:03,451 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_2ae47985-f536-47d8-a874-7a351ea7a404/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2022-11-26 00:03:03,462 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_2ae47985-f536-47d8-a874-7a351ea7a404/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2022-11-26 00:03:05,016 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:03:05,137 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,140 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,141 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,142 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,143 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,165 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,166 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,168 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,169 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,171 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,172 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,173 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,174 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,303 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:03:05,303 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:03:05,304 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:03:05,309 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:03:05,312 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:03:05,312 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:03:05,744 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:03:05,746 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:03:05,747 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:03:05,749 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:03:05,750 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:03:05,752 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:03:05,753 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:03:05,754 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:03:05,755 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:03:05,756 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:03:05,756 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:03:05,947 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:05,955 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,015 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:03:06,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:03:06,054 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:03:06,071 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_2ae47985-f536-47d8-a874-7a351ea7a404/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4497,4510] [2022-11-26 00:03:06,072 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_2ae47985-f536-47d8-a874-7a351ea7a404/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness.i[4557,4570] [2022-11-26 00:03:06,111 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-26 00:03:06,131 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,131 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,132 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,133 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,134 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,142 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,143 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,145 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,150 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,152 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,153 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,153 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,154 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,162 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:03:06,162 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:03:06,177 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-11-26 00:03:06,181 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-11-26 00:03:06,188 WARN L623 FunctionHandler]: Unknown extern function htons [2022-11-26 00:03:06,194 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-11-26 00:03:06,236 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-11-26 00:03:06,244 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-26 00:03:06,245 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-26 00:03:06,246 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-26 00:03:06,248 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-26 00:03:06,249 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-26 00:03:06,251 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-26 00:03:06,252 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-26 00:03:06,253 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-26 00:03:06,256 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-26 00:03:06,256 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-26 00:03:06,322 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,328 WARN L1576 CHandler]: Possible shadowing of function index [2022-11-26 00:03:06,370 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-11-26 00:03:06,385 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:03:06,712 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:03:06,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06 WrapperNode [2022-11-26 00:03:06,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:03:06,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:03:06,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:03:06,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:03:06,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (1/1) ... [2022-11-26 00:03:06,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (1/1) ... [2022-11-26 00:03:06,929 INFO L138 Inliner]: procedures = 690, calls = 1686, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 615 [2022-11-26 00:03:06,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:03:06,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:03:06,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:03:06,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:03:06,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (1/1) ... [2022-11-26 00:03:06,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (1/1) ... [2022-11-26 00:03:06,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (1/1) ... [2022-11-26 00:03:06,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (1/1) ... [2022-11-26 00:03:07,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (1/1) ... [2022-11-26 00:03:07,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (1/1) ... [2022-11-26 00:03:07,045 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (1/1) ... [2022-11-26 00:03:07,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (1/1) ... [2022-11-26 00:03:07,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:03:07,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:03:07,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:03:07,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:03:07,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (1/1) ... [2022-11-26 00:03:07,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:03:07,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:03:07,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:03:07,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:03:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:03:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-26 00:03:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-26 00:03:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-26 00:03:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-26 00:03:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-26 00:03:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-26 00:03:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:03:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-26 00:03:07,163 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-26 00:03:07,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:03:07,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:03:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:03:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:03:07,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:03:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:03:07,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:03:07,166 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-26 00:03:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-26 00:03:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-26 00:03:07,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-26 00:03:07,167 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-26 00:03:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-26 00:03:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-26 00:03:07,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-26 00:03:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:03:07,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:03:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:03:07,170 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-26 00:03:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-26 00:03:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-26 00:03:07,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-26 00:03:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:03:07,171 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-26 00:03:07,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-26 00:03:07,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:03:07,589 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:03:07,592 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:03:08,844 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:03:09,088 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:03:09,089 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:03:09,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:09 BoogieIcfgContainer [2022-11-26 00:03:09,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:03:09,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:03:09,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:03:09,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:03:09,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:03:02" (1/3) ... [2022-11-26 00:03:09,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285ab0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:09, skipping insertion in model container [2022-11-26 00:03:09,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:03:06" (2/3) ... [2022-11-26 00:03:09,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@285ab0fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:03:09, skipping insertion in model container [2022-11-26 00:03:09,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:03:09" (3/3) ... [2022-11-26 00:03:09,121 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness.i [2022-11-26 00:03:09,146 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:03:09,146 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:03:09,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:03:09,240 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;@adfc18c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:03:09,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:03:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2022-11-26 00:03:09,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-26 00:03:09,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:09,263 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:09,264 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:03:09,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:09,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1826594986, now seen corresponding path program 1 times [2022-11-26 00:03:09,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:09,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265325659] [2022-11-26 00:03:09,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:09,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:09,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:09,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265325659] [2022-11-26 00:03:09,995 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-26 00:03:09,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57086191] [2022-11-26 00:03:09,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:09,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:03:09,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:03:10,003 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:03:10,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:03:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:10,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 2041 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:03:10,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:03:10,904 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-26 00:03:10,905 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:03:10,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57086191] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:10,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:10,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-26 00:03:10,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992121606] [2022-11-26 00:03:10,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:10,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-26 00:03:10,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:10,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-26 00:03:10,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:03:10,973 INFO L87 Difference]: Start difference. First operand has 99 states, 54 states have (on average 1.1851851851851851) internal successors, (64), 55 states have internal predecessors, (64), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-26 00:03:11,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:11,786 INFO L93 Difference]: Finished difference Result 169 states and 229 transitions. [2022-11-26 00:03:11,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:03:11,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 58 [2022-11-26 00:03:11,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:11,801 INFO L225 Difference]: With dead ends: 169 [2022-11-26 00:03:11,802 INFO L226 Difference]: Without dead ends: 99 [2022-11-26 00:03:11,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:03:11,810 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 26 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:11,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 347 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-26 00:03:11,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-26 00:03:11,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-11-26 00:03:11,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 56 states have internal predecessors, (63), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2022-11-26 00:03:11,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 126 transitions. [2022-11-26 00:03:11,875 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 126 transitions. Word has length 58 [2022-11-26 00:03:11,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:11,878 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 126 transitions. [2022-11-26 00:03:11,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-26 00:03:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 126 transitions. [2022-11-26 00:03:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-26 00:03:11,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:11,887 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2022-11-26 00:03:11,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:03:12,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-26 00:03:12,098 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:03:12,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:12,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1965393254, now seen corresponding path program 1 times [2022-11-26 00:03:12,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:12,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992799270] [2022-11-26 00:03:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:12,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:12,291 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:03:12,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [656235610] [2022-11-26 00:03:12,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:12,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:03:12,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:03:12,295 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:03:12,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:03:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:12,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 2173 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-26 00:03:12,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:03:13,080 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-26 00:03:13,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:03:13,081 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:03:13,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992799270] [2022-11-26 00:03:13,081 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:03:13,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656235610] [2022-11-26 00:03:13,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656235610] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:03:13,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:03:13,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-26 00:03:13,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902861672] [2022-11-26 00:03:13,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:03:13,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-26 00:03:13,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:03:13,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-26 00:03:13,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-26 00:03:13,086 INFO L87 Difference]: Start difference. First operand 99 states and 126 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-11-26 00:03:13,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:03:13,646 INFO L93 Difference]: Finished difference Result 156 states and 196 transitions. [2022-11-26 00:03:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-26 00:03:13,647 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 67 [2022-11-26 00:03:13,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:03:13,654 INFO L225 Difference]: With dead ends: 156 [2022-11-26 00:03:13,655 INFO L226 Difference]: Without dead ends: 97 [2022-11-26 00:03:13,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-26 00:03:13,664 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 37 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:03:13,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 410 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-26 00:03:13,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-26 00:03:13,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-11-26 00:03:13,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 53 states have (on average 1.150943396226415) internal successors, (61), 54 states have internal predecessors, (61), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2022-11-26 00:03:13,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 122 transitions. [2022-11-26 00:03:13,691 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 122 transitions. Word has length 67 [2022-11-26 00:03:13,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:03:13,693 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 122 transitions. [2022-11-26 00:03:13,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2022-11-26 00:03:13,699 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2022-11-26 00:03:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-26 00:03:13,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:03:13,709 INFO L195 NwaCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:03:13,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:03:13,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:03:13,921 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:03:13,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:03:13,921 INFO L85 PathProgramCache]: Analyzing trace with hash 97009324, now seen corresponding path program 1 times [2022-11-26 00:03:13,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:03:13,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448955514] [2022-11-26 00:03:13,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:13,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:03:14,085 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:03:14,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26116580] [2022-11-26 00:03:14,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:03:14,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:03:14,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:03:14,091 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:03:14,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae47985-f536-47d8-a874-7a351ea7a404/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:03:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:03:15,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 321 conjunts are in the unsatisfiable core [2022-11-26 00:03:15,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:03:15,619 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 [2022-11-26 00:03:16,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:16,650 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 21 treesize of output 20 [2022-11-26 00:03:16,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:16,663 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 21 treesize of output 20 [2022-11-26 00:03:17,413 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:03:19,200 INFO L321 Elim1Store]: treesize reduction 53, result has 32.9 percent of original size [2022-11-26 00:03:19,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 53 [2022-11-26 00:03:19,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-26 00:03:19,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-26 00:03:20,288 INFO L321 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2022-11-26 00:03:20,289 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37 [2022-11-26 00:03:24,574 INFO L321 Elim1Store]: treesize reduction 276, result has 36.0 percent of original size [2022-11-26 00:03:24,575 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 203 treesize of output 370 [2022-11-26 00:03:24,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:24,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:24,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:03:24,850 INFO L321 Elim1Store]: treesize reduction 44, result has 47.0 percent of original size [2022-11-26 00:03:24,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 205 treesize of output 260 [2022-11-26 00:03:25,154 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:03:25,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 132 treesize of output 165 [2022-11-26 00:03:25,398 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-26 00:03:25,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 126 treesize of output 159 [2022-11-26 00:03:57,514 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:03:57,572 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:04:00,557 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-26 00:04:02,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-26 00:04:05,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-26 00:04:16,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-26 00:04:20,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:04:20,629 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:20,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:04:21,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:21,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:04:22,309 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:22,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:04:22,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:22,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:04:22,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:04:22,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:04:24,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:24,774 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-26 00:04:24,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 31 [2022-11-26 00:04:24,867 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:04:26,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:26,821 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-26 00:04:26,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 31 [2022-11-26 00:04:26,859 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:04:27,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:27,717 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-26 00:04:27,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 31 [2022-11-26 00:04:27,737 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:04:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:29,150 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-26 00:04:29,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:04:32,753 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-26 00:04:32,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 31 [2022-11-26 00:04:33,110 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:04:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:34,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:04:38,454 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-26 00:04:38,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 31 [2022-11-26 00:04:38,517 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:04:39,756 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-26 00:04:39,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 31 [2022-11-26 00:04:39,798 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:04:41,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2022-11-26 00:04:43,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2022-11-26 00:04:43,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2022-11-26 00:04:45,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2022-11-26 00:04:45,627 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2022-11-26 00:04:46,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 44 [2022-11-26 00:04:49,723 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-26 00:04:49,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 31 [2022-11-26 00:04:53,940 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-26 00:04:53,941 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 31 [2022-11-26 00:04:55,452 INFO L321 Elim1Store]: treesize reduction 33, result has 2.9 percent of original size [2022-11-26 00:04:55,452 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 31 [2022-11-26 00:04:56,330 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-26 00:04:56,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:04:59,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:04:59,436 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:05:00,135 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-26 00:05:00,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:05:01,825 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-26 00:05:01,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:05:03,604 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-11-26 00:05:03,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 37 [2022-11-26 00:05:04,316 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-26 00:05:04,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 11 [2022-11-26 00:05:04,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:05:04,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 3 [2022-11-26 00:05:05,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:05,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2022-11-26 00:05:06,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:05:06,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2022-11-26 00:05:06,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-26 00:05:08,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-26 00:05:27,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 9 [2022-11-26 00:05:44,313 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:05:55,401 INFO L321 Elim1Store]: treesize reduction 143, result has 19.2 percent of original size [2022-11-26 00:05:55,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1052 treesize of output 1127 [2022-11-26 00:05:55,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2022-11-26 00:06:01,275 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:06:01,312 INFO L321 Elim1Store]: treesize reduction 74, result has 1.3 percent of original size [2022-11-26 00:06:01,313 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 7 case distinctions, treesize of input 61 treesize of output 54 [2022-11-26 00:06:10,732 INFO L321 Elim1Store]: treesize reduction 72, result has 11.1 percent of original size [2022-11-26 00:06:10,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 205 treesize of output 213 [2022-11-26 00:06:11,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:06:11,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:07:49,057 WARN L233 SmtUtils]: Spent 1.62m on a formula simplification. DAG size of input: 418 DAG size of output: 111 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:07:49,058 INFO L321 Elim1Store]: treesize reduction 1992, result has 12.3 percent of original size [2022-11-26 00:07:49,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 11 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 14 new quantified variables, introduced 87 case distinctions, treesize of input 31146 treesize of output 12348