./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/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_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/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_380bd4eb-f7ed-4a80-856c-cf63392d6121/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 352c4c7c0cbbe50519d3605a637839aaed288edb8050b4935a6aa4387e20539e --- 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 07:28:54,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:28:54,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:28:54,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:28:54,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:28:54,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:28:54,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:28:54,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:28:54,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:28:54,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:28:54,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:28:54,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:28:54,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:28:54,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:28:54,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:28:54,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:28:54,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:28:54,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:28:54,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:28:54,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:28:54,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:28:54,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:28:54,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:28:54,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:28:54,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:28:54,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:28:54,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:28:54,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:28:54,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:28:54,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:28:54,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:28:54,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:28:54,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:28:54,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:28:54,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:28:54,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:28:54,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:28:54,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:28:54,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:28:54,525 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:28:54,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:28:54,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:28:54,541 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:28:54,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:28:54,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:28:54,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:28:54,542 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:28:54,542 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:28:54,542 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:28:54,542 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:28:54,543 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:28:54,543 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:28:54,543 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:28:54,543 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:28:54,543 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:28:54,543 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:28:54,543 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:28:54,543 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:28:54,544 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:28:54,544 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:28:54,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:28:54,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:28:54,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:28:54,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:28:54,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:28:54,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:28:54,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:28:54,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:28:54,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:28:54,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:28:54,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:28:54,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:28:54,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:28:54,546 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:28:54,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:28:54,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:28:54,546 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:28:54,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:28:54,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:28:54,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:28:54,547 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_380bd4eb-f7ed-4a80-856c-cf63392d6121/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 352c4c7c0cbbe50519d3605a637839aaed288edb8050b4935a6aa4387e20539e [2022-12-14 07:28:54,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:28:54,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:28:54,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:28:54,756 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:28:54,756 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:28:54,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i [2022-12-14 07:28:57,419 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:28:57,745 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:28:57,746 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i [2022-12-14 07:28:57,767 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/data/05aefeffc/a6137f197395436184d6cf0673c7321c/FLAG8ba67e104 [2022-12-14 07:28:57,780 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/data/05aefeffc/a6137f197395436184d6cf0673c7321c [2022-12-14 07:28:57,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:28:57,785 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:28:57,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:28:57,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:28:57,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:28:57,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:28:57" (1/1) ... [2022-12-14 07:28:57,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b028f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:57, skipping insertion in model container [2022-12-14 07:28:57,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:28:57" (1/1) ... [2022-12-14 07:28:57,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:28:57,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:28:58,080 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_380bd4eb-f7ed-4a80-856c-cf63392d6121/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i[4493,4506] [2022-12-14 07:28:58,086 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_380bd4eb-f7ed-4a80-856c-cf63392d6121/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i[4553,4566] [2022-12-14 07:28:58,655 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 07:28:58,722 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:58,728 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,728 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,729 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,729 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,730 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,733 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:58,744 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,745 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:58,745 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,746 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,747 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,748 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,749 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:58,749 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,750 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,750 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:58,818 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:28:58,818 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:28:58,819 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:28:58,824 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 07:28:58,826 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 07:28:58,827 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 07:28:59,088 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 07:28:59,089 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 07:28:59,090 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 07:28:59,091 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 07:28:59,092 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 07:28:59,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 07:28:59,093 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 07:28:59,094 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 07:28:59,094 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 07:28:59,095 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 07:28:59,095 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 07:28:59,222 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,225 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,226 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,228 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,229 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,230 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,233 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,234 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,234 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,234 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,235 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,235 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,262 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 07:28:59,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:28:59,286 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:28:59,295 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_380bd4eb-f7ed-4a80-856c-cf63392d6121/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i[4493,4506] [2022-12-14 07:28:59,295 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_380bd4eb-f7ed-4a80-856c-cf63392d6121/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness_negated.i[4553,4566] [2022-12-14 07:28:59,316 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 07:28:59,324 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,326 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,327 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,327 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,327 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,328 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,329 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,333 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,333 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,333 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,334 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,335 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,335 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,336 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,336 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,336 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,336 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,341 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:28:59,341 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:28:59,342 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 07:28:59,344 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 07:28:59,345 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 07:28:59,345 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 07:28:59,360 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 07:28:59,361 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 07:28:59,361 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 07:28:59,362 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 07:28:59,362 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 07:28:59,363 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 07:28:59,363 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 07:28:59,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 07:28:59,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 07:28:59,364 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 07:28:59,365 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 07:28:59,383 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,384 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,386 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,387 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,387 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 07:28:59,389 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,390 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,390 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,390 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,391 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,391 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,391 WARN L623 FunctionHandler]: Unknown extern function my_memcpy [2022-12-14 07:28:59,402 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 07:28:59,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:28:59,536 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:28:59,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59 WrapperNode [2022-12-14 07:28:59,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:28:59,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:28:59,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:28:59,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:28:59,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (1/1) ... [2022-12-14 07:28:59,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (1/1) ... [2022-12-14 07:28:59,642 INFO L138 Inliner]: procedures = 691, calls = 1681, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 655 [2022-12-14 07:28:59,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:28:59,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:28:59,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:28:59,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:28:59,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (1/1) ... [2022-12-14 07:28:59,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (1/1) ... [2022-12-14 07:28:59,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (1/1) ... [2022-12-14 07:28:59,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (1/1) ... [2022-12-14 07:28:59,674 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (1/1) ... [2022-12-14 07:28:59,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (1/1) ... [2022-12-14 07:28:59,680 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (1/1) ... [2022-12-14 07:28:59,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (1/1) ... [2022-12-14 07:28:59,688 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:28:59,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:28:59,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:28:59,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:28:59,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (1/1) ... [2022-12-14 07:28:59,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:28:59,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:28:59,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:28:59,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:28:59,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:28:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 07:28:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 07:28:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 07:28:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 07:28:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 07:28:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 07:28:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:28:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 07:28:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 07:28:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 07:28:59,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 07:28:59,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:28:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:28:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:28:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-12-14 07:28:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-12-14 07:28:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:28:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:28:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 07:28:59,745 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 07:28:59,745 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 07:28:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 07:28:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 07:28:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 07:28:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 07:28:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 07:28:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 07:28:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 07:28:59,746 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 07:28:59,746 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 07:28:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-12-14 07:28:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-12-14 07:28:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:28:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:28:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:28:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 07:28:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 07:28:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 07:28:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 07:28:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:28:59,747 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 07:28:59,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 07:28:59,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:28:59,956 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:28:59,958 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:29:00,605 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:29:00,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:29:00,767 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 07:29:00,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:29:00 BoogieIcfgContainer [2022-12-14 07:29:00,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:29:00,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:29:00,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:29:00,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:29:00,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:28:57" (1/3) ... [2022-12-14 07:29:00,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7052df14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:29:00, skipping insertion in model container [2022-12-14 07:29:00,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:28:59" (2/3) ... [2022-12-14 07:29:00,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7052df14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:29:00, skipping insertion in model container [2022-12-14 07:29:00,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:29:00" (3/3) ... [2022-12-14 07:29:00,777 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness_negated.i [2022-12-14 07:29:00,794 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:29:00,794 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 07:29:00,846 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:29:00,852 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;@18bb8050, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:29:00,853 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 07:29:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 149 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 79 states have internal predecessors, (92), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-12-14 07:29:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 07:29:00,871 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:29:00,872 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 07:29:00,872 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:29:00,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:29:00,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1413423871, now seen corresponding path program 1 times [2022-12-14 07:29:00,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:29:00,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742756744] [2022-12-14 07:29:00,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:29:00,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:29:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:29:01,478 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 07:29:01,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:29:01,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742756744] [2022-12-14 07:29:01,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742756744] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 07:29:01,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786922503] [2022-12-14 07:29:01,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:29:01,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:29:01,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:29:01,481 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:29:01,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 07:29:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:29:01,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 2212 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 07:29:01,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:29:01,951 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 07:29:01,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:29:01,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786922503] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:29:01,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 07:29:01,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-12-14 07:29:01,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094911397] [2022-12-14 07:29:01,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:29:01,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:29:01,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:29:01,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:29:01,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:29:01,984 INFO L87 Difference]: Start difference. First operand has 149 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 79 states have internal predecessors, (92), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-12-14 07:29:02,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:29:02,435 INFO L93 Difference]: Finished difference Result 275 states and 387 transitions. [2022-12-14 07:29:02,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 07:29:02,438 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 07:29:02,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:29:02,445 INFO L225 Difference]: With dead ends: 275 [2022-12-14 07:29:02,445 INFO L226 Difference]: Without dead ends: 145 [2022-12-14 07:29:02,448 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 07:29:02,451 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 39 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:29:02,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 558 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 07:29:02,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-12-14 07:29:02,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-12-14 07:29:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (56), 51 states have call predecessors, (56), 51 states have call successors, (56) [2022-12-14 07:29:02,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 194 transitions. [2022-12-14 07:29:02,494 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 194 transitions. Word has length 95 [2022-12-14 07:29:02,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:29:02,495 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 194 transitions. [2022-12-14 07:29:02,495 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 07:29:02,495 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 194 transitions. [2022-12-14 07:29:02,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 07:29:02,498 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:29:02,498 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 07:29:02,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 07:29:02,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 07:29:02,699 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:29:02,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:29:02,700 INFO L85 PathProgramCache]: Analyzing trace with hash -365698913, now seen corresponding path program 1 times [2022-12-14 07:29:02,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:29:02,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704851776] [2022-12-14 07:29:02,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:29:02,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:29:02,792 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:29:02,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [732625308] [2022-12-14 07:29:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:29:02,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:29:02,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:29:02,794 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:29:02,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 07:29:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:29:03,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 2476 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 07:29:03,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:29:03,271 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 07:29:03,271 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:29:03,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:29:03,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704851776] [2022-12-14 07:29:03,271 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:29:03,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732625308] [2022-12-14 07:29:03,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732625308] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:29:03,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:29:03,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:29:03,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608029893] [2022-12-14 07:29:03,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:29:03,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:29:03,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:29:03,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:29:03,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:29:03,274 INFO L87 Difference]: Start difference. First operand 145 states and 194 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 07:29:03,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:29:03,707 INFO L93 Difference]: Finished difference Result 236 states and 315 transitions. [2022-12-14 07:29:03,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:29:03,708 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 07:29:03,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:29:03,710 INFO L225 Difference]: With dead ends: 236 [2022-12-14 07:29:03,710 INFO L226 Difference]: Without dead ends: 145 [2022-12-14 07:29:03,712 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 07:29:03,713 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 52 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:29:03,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 623 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 07:29:03,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-12-14 07:29:03,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2022-12-14 07:29:03,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 75 states have (on average 1.1333333333333333) internal successors, (85), 77 states have internal predecessors, (85), 53 states have call successors, (53), 16 states have call predecessors, (53), 16 states have return successors, (53), 51 states have call predecessors, (53), 51 states have call successors, (53) [2022-12-14 07:29:03,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions. [2022-12-14 07:29:03,730 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 191 transitions. Word has length 113 [2022-12-14 07:29:03,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:29:03,731 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 191 transitions. [2022-12-14 07:29:03,731 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 07:29:03,731 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions. [2022-12-14 07:29:03,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-14 07:29:03,733 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:29:03,734 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 07:29:03,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 07:29:03,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:29:03,934 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:29:03,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:29:03,935 INFO L85 PathProgramCache]: Analyzing trace with hash -446029571, now seen corresponding path program 2 times [2022-12-14 07:29:03,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:29:03,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814724304] [2022-12-14 07:29:03,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:29:03,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:29:04,017 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:29:04,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [951900808] [2022-12-14 07:29:04,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 07:29:04,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:29:04,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:29:04,019 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:29:04,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 07:29:04,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-12-14 07:29:04,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:29:04,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 1797 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 07:29:04,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:29:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-12-14 07:29:04,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:29:04,360 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:29:04,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814724304] [2022-12-14 07:29:04,360 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:29:04,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951900808] [2022-12-14 07:29:04,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951900808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:29:04,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:29:04,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 07:29:04,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218322800] [2022-12-14 07:29:04,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:29:04,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 07:29:04,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:29:04,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 07:29:04,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 07:29:04,362 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-12-14 07:29:04,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:29:04,655 INFO L93 Difference]: Finished difference Result 153 states and 199 transitions. [2022-12-14 07:29:04,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:29:04,656 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 122 [2022-12-14 07:29:04,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:29:04,657 INFO L225 Difference]: With dead ends: 153 [2022-12-14 07:29:04,657 INFO L226 Difference]: Without dead ends: 151 [2022-12-14 07:29:04,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 07:29:04,658 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 5 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:29:04,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 812 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 07:29:04,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-12-14 07:29:04,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 150. [2022-12-14 07:29:04,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 78 states have (on average 1.1282051282051282) internal successors, (88), 80 states have internal predecessors, (88), 54 states have call successors, (54), 17 states have call predecessors, (54), 17 states have return successors, (54), 52 states have call predecessors, (54), 52 states have call successors, (54) [2022-12-14 07:29:04,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 196 transitions. [2022-12-14 07:29:04,668 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 196 transitions. Word has length 122 [2022-12-14 07:29:04,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:29:04,668 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 196 transitions. [2022-12-14 07:29:04,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-12-14 07:29:04,669 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 196 transitions. [2022-12-14 07:29:04,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 07:29:04,670 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:29:04,670 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 07:29:04,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 07:29:04,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:29:04,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:29:04,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:29:04,873 INFO L85 PathProgramCache]: Analyzing trace with hash 347386317, now seen corresponding path program 3 times [2022-12-14 07:29:04,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:29:04,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508395990] [2022-12-14 07:29:04,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:29:04,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:29:04,971 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:29:04,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103787428] [2022-12-14 07:29:04,971 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 07:29:04,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:29:04,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:29:04,972 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:29:04,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 07:29:05,422 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 07:29:05,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 07:29:05,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 2740 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 07:29:05,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:29:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-12-14 07:29:05,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 07:29:05,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:29:05,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508395990] [2022-12-14 07:29:05,519 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:29:05,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103787428] [2022-12-14 07:29:05,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103787428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:29:05,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:29:05,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 07:29:05,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703371947] [2022-12-14 07:29:05,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:29:05,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 07:29:05,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:29:05,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 07:29:05,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:29:05,521 INFO L87 Difference]: Start difference. First operand 150 states and 196 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2022-12-14 07:29:05,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:29:05,990 INFO L93 Difference]: Finished difference Result 236 states and 309 transitions. [2022-12-14 07:29:05,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 07:29:05,991 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) Word has length 131 [2022-12-14 07:29:05,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:29:05,992 INFO L225 Difference]: With dead ends: 236 [2022-12-14 07:29:05,992 INFO L226 Difference]: Without dead ends: 143 [2022-12-14 07:29:05,993 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 07:29:05,994 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 56 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:29:05,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 870 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 07:29:05,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-12-14 07:29:06,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-12-14 07:29:06,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 74 states have (on average 1.1216216216216217) internal successors, (83), 75 states have internal predecessors, (83), 53 states have call successors, (53), 16 states have call predecessors, (53), 15 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-12-14 07:29:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 187 transitions. [2022-12-14 07:29:06,006 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 187 transitions. Word has length 131 [2022-12-14 07:29:06,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:29:06,007 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 187 transitions. [2022-12-14 07:29:06,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 5 states have call predecessors, (24), 5 states have call successors, (24) [2022-12-14 07:29:06,007 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 187 transitions. [2022-12-14 07:29:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-14 07:29:06,008 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:29:06,009 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 07:29:06,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 07:29:06,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:29:06,209 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 07:29:06,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:29:06,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1403130913, now seen corresponding path program 1 times [2022-12-14 07:29:06,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:29:06,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456684198] [2022-12-14 07:29:06,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:29:06,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:29:06,281 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 07:29:06,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [919501155] [2022-12-14 07:29:06,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:29:06,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 07:29:06,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:29:06,283 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 07:29:06,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_380bd4eb-f7ed-4a80-856c-cf63392d6121/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 07:29:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:29:06,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 2872 conjuncts, 65 conjunts are in the unsatisfiable core [2022-12-14 07:29:06,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 07:29:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 118 proven. 14 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-12-14 07:29:06,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 07:29:07,388 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 07:29:07,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:29:07,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456684198] [2022-12-14 07:29:07,388 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 07:29:07,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919501155] [2022-12-14 07:29:07,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919501155] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 07:29:07,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [360982222] [2022-12-14 07:29:07,406 INFO L159 IcfgInterpreter]: Started Sifa with 71 locations of interest [2022-12-14 07:29:07,406 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 07:29:07,409 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 07:29:07,412 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 07:29:07,413 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 07:29:09,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:29:09,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:29:10,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:29:10,057 INFO L217 Elim1Store]: Index analysis took 347 ms [2022-12-14 07:29:21,381 WARN L233 SmtUtils]: Spent 11.27s 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 07:29:21,384 INFO L321 Elim1Store]: treesize reduction 1938, result has 47.2 percent of original size [2022-12-14 07:29:21,387 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 07:29:24,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:29:24,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:29:24,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:29:24,576 INFO L217 Elim1Store]: Index analysis took 459 ms [2022-12-14 07:29:40,862 WARN L233 SmtUtils]: Spent 16.25s 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 07:29:40,866 INFO L321 Elim1Store]: treesize reduction 3474, result has 33.3 percent of original size [2022-12-14 07:29:40,870 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 07:30:42,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:42,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:42,852 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 07:30:42,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:42,859 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 07:30:42,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:42,866 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 07:30:42,872 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 07:30:45,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,932 INFO L217 Elim1Store]: Index analysis took 126 ms [2022-12-14 07:30:45,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:30:45,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,951 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:30:45,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:45,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,012 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 07:30:46,014 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 07:30:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,508 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 07:30:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:46,785 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 07:30:47,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:47,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:47,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:47,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:47,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:47,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:47,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:47,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:47,188 INFO L217 Elim1Store]: Index analysis took 127 ms [2022-12-14 07:30:47,209 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 07:30:47,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:47,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:47,572 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 07:30:56,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,361 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:30:56,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19305 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 2 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 07:30:56,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,688 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:30:56,689 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 07:30:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:56,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,066 INFO L217 Elim1Store]: Index analysis took 129 ms [2022-12-14 07:30:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:30:57,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,081 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:30:57,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,127 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 07:30:57,132 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 07:30:57,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,544 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:30:57,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19501 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 2 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 07:30:57,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:57,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:58,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:58,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:58,006 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:30:58,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:58,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:58,012 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:30:58,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:58,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:30:58,070 INFO L321 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-12-14 07:30:58,073 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 07:30:59,058 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 07:30:59,063 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 07:30:59,084 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 07:30:59,087 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 07:30:59,113 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 07:30:59,119 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 07:30:59,125 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 07:30:59,130 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 07:30:59,169 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:30:59,170 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 07:30:59,180 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 07:30:59,186 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 07:30:59,225 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:30:59,226 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 07:30:59,233 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 07:30:59,238 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 07:30:59,332 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 07:30:59,706 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 07:31:00,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:00,202 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 07:31:00,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:00,241 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 07:31:01,069 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 07:31:01,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:01,119 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 07:31:01,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:01,155 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 07:31:02,268 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 07:31:02,268 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 07:31:02,294 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 07:31:02,294 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 07:31:02,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:31:02,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:31:02,452 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:31:02,458 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 07:31:02,458 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 07:31:02,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,470 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:31:02,474 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:31:02,474 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 07:31:02,483 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 07:31:02,490 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 07:31:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,501 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:31:02,506 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:31:02,506 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 07:31:02,577 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 07:31:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:31:02,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:31:02,646 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:31:02,650 INFO L321 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-12-14 07:31:02,651 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 07:31:02,665 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 07:31:02,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,673 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:31:02,677 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:31:02,677 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 07:31:02,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:02,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 07:31:02,690 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-12-14 07:31:02,690 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 07:31:19,802 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 47 for LOIs [2022-12-14 07:31:19,817 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 07:31:19,827 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 07:31:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:19,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:19,869 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:31:19,869 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 07:31:19,877 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 07:31:19,885 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 07:31:19,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 07:31:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:19,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 07:31:19,934 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 07:31:19,935 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 07:31:19,945 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 07:31:20,143 INFO L321 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2022-12-14 07:31:20,143 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 07:31:20,512 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2820 for LOIs [2022-12-14 07:31:23,547 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 94 for LOIs [2022-12-14 07:31:23,766 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 80 for LOIs [2022-12-14 07:31:23,782 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2869 for LOIs [2022-12-14 07:32:59,268 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2864 for LOIs [2022-12-14 07:33:05,173 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-12-14 07:33:05,176 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_malloc with input of size 70 for LOIs [2022-12-14 07:33:05,263 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 64 for LOIs [2022-12-14 07:33:05,274 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 07:34:54,816 WARN L233 SmtUtils]: Spent 1.81m 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 07:36:48,299 WARN L233 SmtUtils]: Spent 1.87m on a formula simplification. DAG size of input: 2820 DAG size of output: 2436 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:39:16,072 WARN L233 SmtUtils]: Spent 2.44m on a formula simplification. DAG size of input: 2862 DAG size of output: 2478 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 07:41:51,423 WARN L233 SmtUtils]: Spent 2.56m 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)