./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh --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 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb --- 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-2329fc7 [2022-12-14 09:21:16,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:21:16,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:21:16,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:21:16,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:21:16,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:21:16,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:21:16,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:21:16,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:21:16,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:21:16,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:21:16,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:21:16,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:21:16,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:21:16,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:21:16,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:21:16,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:21:16,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:21:16,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:21:16,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:21:16,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:21:16,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:21:16,836 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:21:16,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:21:16,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:21:16,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:21:16,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:21:16,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:21:16,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:21:16,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:21:16,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:21:16,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:21:16,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:21:16,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:21:16,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:21:16,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:21:16,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:21:16,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:21:16,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:21:16,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:21:16,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:21:16,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:21:16,868 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:21:16,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:21:16,869 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:21:16,869 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:21:16,874 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:21:16,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:21:16,875 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:21:16,875 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:21:16,875 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:21:16,875 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:21:16,875 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:21:16,876 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:21:16,876 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:21:16,876 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:21:16,876 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:21:16,877 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:21:16,877 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:21:16,877 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:21:16,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:21:16,878 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:21:16,878 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:21:16,878 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:21:16,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:21:16,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:21:16,879 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:21:16,879 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:21:16,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:21:16,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:21:16,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:21:16,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:21:16,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:21:16,880 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:21:16,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:21:16,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:21:16,880 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:21:16,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:21:16,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:21:16,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:21:16,881 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_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4074842a6d6900f214884b5b0ef94aa1b36f37c81b70cefd0198f88d1e717beb [2022-12-14 09:21:17,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:21:17,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:21:17,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:21:17,073 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:21:17,073 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:21:17,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2022-12-14 09:21:19,663 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:21:19,920 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:21:19,921 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2022-12-14 09:21:19,937 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/data/dfa1ad621/4a9dbdcff81046ea9c0c6e3a05cc177f/FLAG5c8d9fbf9 [2022-12-14 09:21:19,947 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/data/dfa1ad621/4a9dbdcff81046ea9c0c6e3a05cc177f [2022-12-14 09:21:19,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:21:19,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:21:19,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:21:19,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:21:19,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:21:19,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:21:19" (1/1) ... [2022-12-14 09:21:19,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6735ed34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:19, skipping insertion in model container [2022-12-14 09:21:19,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:21:19" (1/1) ... [2022-12-14 09:21:19,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:21:20,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:21:20,184 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_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2022-12-14 09:21:20,191 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_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2022-12-14 09:21:20,750 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 09:21:20,808 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:20,812 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,812 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,813 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,813 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,814 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,816 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:20,824 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,824 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:20,824 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,826 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,826 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,828 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,828 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:20,828 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,829 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,829 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:20,895 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:21:20,895 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:21:20,896 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:21:20,899 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 09:21:20,901 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 09:21:20,901 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 09:21:21,114 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 09:21:21,115 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 09:21:21,115 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 09:21:21,116 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 09:21:21,117 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 09:21:21,118 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 09:21:21,118 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 09:21:21,119 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 09:21:21,119 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 09:21:21,120 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 09:21:21,120 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 09:21:21,259 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,260 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,262 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,264 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,265 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,268 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,272 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,272 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,272 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,273 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,274 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,274 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,313 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:21:21,317 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,318 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:21:21,346 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:21:21,357 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_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2022-12-14 09:21:21,357 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_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2022-12-14 09:21:21,393 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 09:21:21,406 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,408 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,408 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,409 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,409 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,410 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,411 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,417 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,417 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,417 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,419 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,419 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,420 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,421 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,421 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,422 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,422 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,429 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:21:21,429 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:21:21,430 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:21:21,433 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 09:21:21,434 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 09:21:21,434 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 09:21:21,452 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 09:21:21,453 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 09:21:21,454 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 09:21:21,454 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 09:21:21,455 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 09:21:21,456 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 09:21:21,456 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 09:21:21,457 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 09:21:21,457 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 09:21:21,458 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 09:21:21,458 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 09:21:21,482 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,484 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,485 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,486 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,487 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,489 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,490 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,490 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,490 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,491 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,491 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,491 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 09:21:21,508 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:21:21,511 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,511 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:21:21,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:21:21,661 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:21:21,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21 WrapperNode [2022-12-14 09:21:21,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:21:21,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:21:21,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:21:21,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:21:21,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (1/1) ... [2022-12-14 09:21:21,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (1/1) ... [2022-12-14 09:21:21,768 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 654 [2022-12-14 09:21:21,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:21:21,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:21:21,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:21:21,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:21:21,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (1/1) ... [2022-12-14 09:21:21,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (1/1) ... [2022-12-14 09:21:21,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (1/1) ... [2022-12-14 09:21:21,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (1/1) ... [2022-12-14 09:21:21,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (1/1) ... [2022-12-14 09:21:21,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (1/1) ... [2022-12-14 09:21:21,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (1/1) ... [2022-12-14 09:21:21,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (1/1) ... [2022-12-14 09:21:21,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:21:21,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:21:21,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:21:21,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:21:21,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (1/1) ... [2022-12-14 09:21:21,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:21:21,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:21:21,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:21:21,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:21:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:21:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 09:21:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 09:21:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 09:21:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 09:21:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 09:21:21,907 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 09:21:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:21:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 09:21:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 09:21:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 09:21:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 09:21:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:21:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:21:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:21:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 09:21:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 09:21:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:21:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:21:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 09:21:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 09:21:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 09:21:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 09:21:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 09:21:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 09:21:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 09:21:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 09:21:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 09:21:21,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 09:21:21,909 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 09:21:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 09:21:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 09:21:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 09:21:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:21:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:21:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:21:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 09:21:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 09:21:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 09:21:21,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 09:21:21,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:21:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 09:21:21,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 09:21:21,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:21:22,125 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:21:22,127 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:21:22,827 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:21:22,961 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:21:22,962 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 09:21:22,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:21:22 BoogieIcfgContainer [2022-12-14 09:21:22,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:21:22,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:21:22,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:21:22,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:21:22,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:21:19" (1/3) ... [2022-12-14 09:21:22,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22c19f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:21:22, skipping insertion in model container [2022-12-14 09:21:22,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:21:21" (2/3) ... [2022-12-14 09:21:22,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22c19f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:21:22, skipping insertion in model container [2022-12-14 09:21:22,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:21:22" (3/3) ... [2022-12-14 09:21:22,969 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_get_at_harness.i [2022-12-14 09:21:22,983 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:21:22,983 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:21:23,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:21:23,024 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;@2f570b44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:21:23,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:21:23,028 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 78 states have internal predecessors, (91), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-12-14 09:21:23,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 09:21:23,036 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:21:23,037 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] [2022-12-14 09:21:23,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:21:23,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:21:23,041 INFO L85 PathProgramCache]: Analyzing trace with hash 553629188, now seen corresponding path program 1 times [2022-12-14 09:21:23,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:21:23,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128816320] [2022-12-14 09:21:23,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:21:23,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:21:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:21:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-12-14 09:21:23,629 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:21:23,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128816320] [2022-12-14 09:21:23,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128816320] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 09:21:23,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007082098] [2022-12-14 09:21:23,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:21:23,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:21:23,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:21:23,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:21:23,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:21:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:21:24,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 2216 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 09:21:24,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:21:24,100 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-12-14 09:21:24,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:21:24,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007082098] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:21:24,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 09:21:24,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 09:21:24,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195182533] [2022-12-14 09:21:24,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:21:24,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:21:24,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:21:24,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:21:24,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:21:24,140 INFO L87 Difference]: Start difference. First operand has 147 states, 77 states have (on average 1.1818181818181819) internal successors, (91), 78 states have internal predecessors, (91), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) 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) [2022-12-14 09:21:24,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:21:24,566 INFO L93 Difference]: Finished difference Result 271 states and 380 transitions. [2022-12-14 09:21:24,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:21:24,569 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 [2022-12-14 09:21:24,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:21:24,575 INFO L225 Difference]: With dead ends: 271 [2022-12-14 09:21:24,575 INFO L226 Difference]: Without dead ends: 143 [2022-12-14 09:21:24,578 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 [2022-12-14 09:21:24,580 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 38 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:21:24,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 548 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:21:24,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-12-14 09:21:24,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-12-14 09:21:24,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (55), 50 states have call predecessors, (55), 50 states have call successors, (55) [2022-12-14 09:21:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 191 transitions. [2022-12-14 09:21:24,618 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 191 transitions. Word has length 95 [2022-12-14 09:21:24,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:21:24,618 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 191 transitions. [2022-12-14 09:21:24,619 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) [2022-12-14 09:21:24,619 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 191 transitions. [2022-12-14 09:21:24,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 09:21:24,621 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:21:24,622 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] [2022-12-14 09:21:24,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:21:24,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 09:21:24,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:21:24,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:21:24,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1884327450, now seen corresponding path program 1 times [2022-12-14 09:21:24,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:21:24,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934200019] [2022-12-14 09:21:24,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:21:24,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:21:24,894 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:21:24,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1311461101] [2022-12-14 09:21:24,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:21:24,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:21:24,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:21:24,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:21:24,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:21:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:21:25,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 2480 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 09:21:25,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:21:25,326 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-12-14 09:21:25,326 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:21:25,326 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:21:25,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934200019] [2022-12-14 09:21:25,327 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:21:25,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311461101] [2022-12-14 09:21:25,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311461101] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:21:25,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:21:25,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 09:21:25,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131517428] [2022-12-14 09:21:25,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:21:25,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:21:25,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:21:25,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:21:25,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:21:25,330 INFO L87 Difference]: Start difference. First operand 143 states and 191 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) [2022-12-14 09:21:25,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:21:25,721 INFO L93 Difference]: Finished difference Result 232 states and 309 transitions. [2022-12-14 09:21:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:21:25,722 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 [2022-12-14 09:21:25,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:21:25,724 INFO L225 Difference]: With dead ends: 232 [2022-12-14 09:21:25,724 INFO L226 Difference]: Without dead ends: 143 [2022-12-14 09:21:25,725 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 [2022-12-14 09:21:25,726 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 50 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:21:25,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 619 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:21:25,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-12-14 09:21:25,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-12-14 09:21:25,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (52), 50 states have call predecessors, (52), 50 states have call successors, (52) [2022-12-14 09:21:25,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 188 transitions. [2022-12-14 09:21:25,736 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 188 transitions. Word has length 113 [2022-12-14 09:21:25,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:21:25,737 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 188 transitions. [2022-12-14 09:21:25,737 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) [2022-12-14 09:21:25,737 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 188 transitions. [2022-12-14 09:21:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-14 09:21:25,738 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:21:25,739 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] [2022-12-14 09:21:25,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 09:21:25,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-14 09:21:25,941 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:21:25,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:21:25,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1916583020, now seen corresponding path program 2 times [2022-12-14 09:21:25,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:21:25,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351462130] [2022-12-14 09:21:25,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:21:25,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:21:26,092 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:21:26,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841064489] [2022-12-14 09:21:26,093 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 09:21:26,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:21:26,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:21:26,094 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:21:26,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:21:26,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 09:21:26,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:21:26,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 1839 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 09:21:26,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:21:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-12-14 09:21:26,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:21:26,743 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:21:26,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351462130] [2022-12-14 09:21:26,743 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:21:26,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841064489] [2022-12-14 09:21:26,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841064489] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:21:26,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:21:26,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 09:21:26,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195105083] [2022-12-14 09:21:26,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:21:26,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 09:21:26,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:21:26,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 09:21:26,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:21:26,744 INFO L87 Difference]: Start difference. First operand 143 states and 188 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) [2022-12-14 09:21:27,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:21:27,135 INFO L93 Difference]: Finished difference Result 223 states and 290 transitions. [2022-12-14 09:21:27,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:21:27,135 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 [2022-12-14 09:21:27,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:21:27,137 INFO L225 Difference]: With dead ends: 223 [2022-12-14 09:21:27,137 INFO L226 Difference]: Without dead ends: 143 [2022-12-14 09:21:27,137 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 [2022-12-14 09:21:27,138 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:21:27,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 579 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:21:27,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-12-14 09:21:27,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-12-14 09:21:27,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.135135135135135) internal successors, (84), 76 states have internal predecessors, (84), 52 states have call successors, (52), 16 states have call predecessors, (52), 16 states have return successors, (51), 50 states have call predecessors, (51), 50 states have call successors, (51) [2022-12-14 09:21:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2022-12-14 09:21:27,147 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 122 [2022-12-14 09:21:27,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:21:27,147 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2022-12-14 09:21:27,147 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) [2022-12-14 09:21:27,147 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2022-12-14 09:21:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 09:21:27,149 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:21:27,149 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] [2022-12-14 09:21:27,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 09:21:27,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:21:27,350 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:21:27,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:21:27,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1000018788, now seen corresponding path program 3 times [2022-12-14 09:21:27,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:21:27,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167551011] [2022-12-14 09:21:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:21:27,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:21:27,430 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:21:27,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981498215] [2022-12-14 09:21:27,431 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 09:21:27,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:21:27,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:21:27,432 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:21:27,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:21:27,850 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 09:21:27,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:21:27,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 2744 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 09:21:27,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:21:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-12-14 09:21:27,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:21:27,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:21:27,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167551011] [2022-12-14 09:21:27,933 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:21:27,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981498215] [2022-12-14 09:21:27,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981498215] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:21:27,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:21:27,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 09:21:27,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490778252] [2022-12-14 09:21:27,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:21:27,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 09:21:27,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:21:27,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 09:21:27,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 09:21:27,936 INFO L87 Difference]: Start difference. First operand 143 states and 187 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) [2022-12-14 09:21:28,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:21:28,337 INFO L93 Difference]: Finished difference Result 220 states and 283 transitions. [2022-12-14 09:21:28,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 09:21:28,338 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 [2022-12-14 09:21:28,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:21:28,339 INFO L225 Difference]: With dead ends: 220 [2022-12-14 09:21:28,339 INFO L226 Difference]: Without dead ends: 141 [2022-12-14 09:21:28,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-14 09:21:28,341 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 53 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 09:21:28,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 869 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 09:21:28,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-12-14 09:21:28,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-12-14 09:21:28,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 73 states have (on average 1.1232876712328768) internal successors, (82), 74 states have internal predecessors, (82), 52 states have call successors, (52), 16 states have call predecessors, (52), 15 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-12-14 09:21:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2022-12-14 09:21:28,354 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 184 transitions. Word has length 131 [2022-12-14 09:21:28,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:21:28,355 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 184 transitions. [2022-12-14 09:21:28,355 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) [2022-12-14 09:21:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions. [2022-12-14 09:21:28,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-14 09:21:28,357 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:21:28,357 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] [2022-12-14 09:21:28,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 09:21:28,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:21:28,559 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:21:28,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:21:28,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1605023546, now seen corresponding path program 1 times [2022-12-14 09:21:28,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:21:28,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047761651] [2022-12-14 09:21:28,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:21:28,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:21:28,739 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:21:28,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [202883931] [2022-12-14 09:21:28,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:21:28,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:21:28,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:21:28,741 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:21:28,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa5ac1-bb8f-46dc-b929-d1e9b842a499/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 09:21:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:21:29,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 2876 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-14 09:21:29,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:21:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 117 proven. 6 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-12-14 09:21:29,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:21:29,676 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-12-14 09:21:29,676 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:21:29,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047761651] [2022-12-14 09:21:29,676 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:21:29,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202883931] [2022-12-14 09:21:29,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [202883931] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:21:29,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1199508204] [2022-12-14 09:21:29,697 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-12-14 09:21:29,698 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:21:29,701 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:21:29,706 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:21:29,706 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:21:32,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:32,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:32,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:32,641 INFO L217 Elim1Store]: Index analysis took 280 ms [2022-12-14 09:21:44,469 WARN L233 SmtUtils]: Spent 11.78s 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) [2022-12-14 09:21:44,474 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-12-14 09:21:44,479 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 [2022-12-14 09:21:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:47,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:21:47,079 INFO L217 Elim1Store]: Index analysis took 497 ms [2022-12-14 09:22:04,234 WARN L233 SmtUtils]: Spent 17.12s 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) [2022-12-14 09:22:04,236 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-12-14 09:22:04,239 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 [2022-12-14 09:23:04,432 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 [2022-12-14 09:23:04,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:04,436 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 [2022-12-14 09:23:04,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:04,441 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 [2022-12-14 09:23:04,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:04,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:04,449 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 [2022-12-14 09:23:07,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:07,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,152 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:07,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,195 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 09:23:07,198 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 [2022-12-14 09:23:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:07,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,711 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:07,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:07,775 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 09:23:07,777 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 [2022-12-14 09:23:08,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,150 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 [2022-12-14 09:23:08,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,474 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 [2022-12-14 09:23:08,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:08,764 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 [2022-12-14 09:23:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:16,856 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:23:16,857 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 [2022-12-14 09:23:17,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,221 INFO L217 Elim1Store]: Index analysis took 110 ms [2022-12-14 09:23:17,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,228 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:17,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:17,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,297 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 09:23:17,302 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 [2022-12-14 09:23:17,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:17,785 INFO L217 Elim1Store]: Index analysis took 133 ms [2022-12-14 09:23:17,803 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 [2022-12-14 09:23:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:18,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:18,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:18,188 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 [2022-12-14 09:23:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:18,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:18,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:18,581 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 [2022-12-14 09:23:19,576 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 [2022-12-14 09:23:19,581 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 [2022-12-14 09:23:19,600 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 [2022-12-14 09:23:19,604 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 [2022-12-14 09:23:19,627 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 [2022-12-14 09:23:19,632 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 [2022-12-14 09:23:19,638 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 [2022-12-14 09:23:19,643 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 [2022-12-14 09:23:19,682 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:23:19,682 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 [2022-12-14 09:23:19,691 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 [2022-12-14 09:23:19,695 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 [2022-12-14 09:23:19,738 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:23:19,739 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 [2022-12-14 09:23:19,746 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 [2022-12-14 09:23:19,752 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 [2022-12-14 09:23:19,863 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 [2022-12-14 09:23:20,644 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 [2022-12-14 09:23:20,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:20,691 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 [2022-12-14 09:23:20,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:20,723 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 [2022-12-14 09:23:21,887 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 [2022-12-14 09:23:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:21,930 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 [2022-12-14 09:23:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:21,962 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 [2022-12-14 09:23:22,586 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 09:23:22,587 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 [2022-12-14 09:23:22,618 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 09:23:22,618 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 [2022-12-14 09:23:22,787 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 [2022-12-14 09:23:22,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:22,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:22,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:22,799 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 09:23:22,800 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 [2022-12-14 09:23:22,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:22,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:22,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:22,817 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 09:23:22,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 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 [2022-12-14 09:23:22,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:22,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:22,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:22,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:22,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:22,834 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 09:23:22,834 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 [2022-12-14 09:23:22,842 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 [2022-12-14 09:23:22,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:22,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:22,986 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:22,990 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 09:23:22,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 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 [2022-12-14 09:23:23,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:23,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:23,004 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:23,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:23,005 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:23,009 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 09:23:23,010 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 [2022-12-14 09:23:23,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:23,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:23,023 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 09:23:23,027 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 09:23:23,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 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 [2022-12-14 09:23:23,035 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 [2022-12-14 09:23:23,041 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 [2022-12-14 09:23:38,912 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 47 for LOIs [2022-12-14 09:23:38,926 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 [2022-12-14 09:23:38,934 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 [2022-12-14 09:23:38,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:38,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:38,978 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:23:38,979 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 [2022-12-14 09:23:38,984 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 [2022-12-14 09:23:38,989 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 [2022-12-14 09:23:39,027 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 [2022-12-14 09:23:39,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:39,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:23:39,037 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 09:23:39,037 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 [2022-12-14 09:23:39,047 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 [2022-12-14 09:23:39,259 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 09:23:39,260 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 [2022-12-14 09:23:39,650 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2819 for LOIs [2022-12-14 09:23:42,657 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-12-14 09:23:42,840 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-12-14 09:23:42,854 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2866 for LOIs [2022-12-14 09:25:20,350 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-12-14 09:25:26,192 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 70 for LOIs [2022-12-14 09:25:26,199 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 70 for LOIs [2022-12-14 09:25:26,300 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 64 for LOIs [2022-12-14 09:25:26,307 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:27:01,989 WARN L233 SmtUtils]: Spent 1.58m 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) [2022-12-14 09:28:57,977 WARN L233 SmtUtils]: Spent 1.92m on a formula simplification. DAG size of input: 2819 DAG size of output: 2435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:31:26,201 WARN L233 SmtUtils]: Spent 2.45m on a formula simplification. DAG size of input: 2861 DAG size of output: 2477 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:33:10,751 WARN L233 SmtUtils]: Spent 1.72m on a formula simplification. DAG size of input: 2855 DAG size of output: 2462 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:34:46,628 WARN L233 SmtUtils]: Spent 1.56m on a formula simplification. DAG size of input: 2858 DAG size of output: 2465 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)