./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI --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 c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b --- 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-5e519f3 [2022-11-03 02:05:05,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:05:05,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:05:05,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:05:05,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:05:05,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:05:05,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:05:05,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:05:05,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:05:05,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:05:05,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:05:05,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:05:05,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:05:05,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:05:05,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:05:05,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:05:05,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:05:05,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:05:05,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:05:05,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:05:05,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:05:05,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:05:05,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:05:05,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:05:05,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:05:05,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:05:05,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:05:05,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:05:05,217 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:05:05,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:05:05,218 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:05:05,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:05:05,221 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:05:05,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:05:05,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:05:05,224 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:05:05,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:05:05,225 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:05:05,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:05:05,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:05:05,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:05:05,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:05:05,261 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:05:05,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:05:05,268 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:05:05,268 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:05:05,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:05:05,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:05:05,269 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:05:05,270 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:05:05,270 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:05:05,270 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:05:05,271 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:05:05,272 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:05:05,272 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:05:05,272 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:05:05,272 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:05:05,273 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:05:05,273 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:05:05,273 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:05:05,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:05:05,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:05:05,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:05:05,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:05:05,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:05:05,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:05:05,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:05:05,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:05:05,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:05:05,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:05:05,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:05:05,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:05:05,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:05:05,278 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:05:05,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:05:05,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:05:05,279 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:05:05,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:05:05,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:05:05,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:05:05,280 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_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b [2022-11-03 02:05:05,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:05:05,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:05:05,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:05:05,660 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:05:05,661 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:05:05,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2022-11-03 02:05:05,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/data/a9703a72e/9f9301c8cd7b452f85d8b8c253f41e65/FLAG8e4da215b [2022-11-03 02:05:06,511 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:05:06,511 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2022-11-03 02:05:06,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/data/a9703a72e/9f9301c8cd7b452f85d8b8c253f41e65/FLAG8e4da215b [2022-11-03 02:05:06,626 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/data/a9703a72e/9f9301c8cd7b452f85d8b8c253f41e65 [2022-11-03 02:05:06,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:05:06,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:05:06,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:05:06,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:05:06,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:05:06,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:05:06" (1/1) ... [2022-11-03 02:05:06,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49021115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:06, skipping insertion in model container [2022-11-03 02:05:06,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:05:06" (1/1) ... [2022-11-03 02:05:06,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:05:06,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:05:07,162 WARN L230 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_c782bb46-da2b-4ce6-809c-d814d91df537/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4504,4517] [2022-11-03 02:05:07,170 WARN L230 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_c782bb46-da2b-4ce6-809c-d814d91df537/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4564,4577] [2022-11-03 02:05:07,972 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:05:08,055 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,056 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,057 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,057 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,059 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,071 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,072 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,074 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,075 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,077 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,078 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,078 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,079 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,448 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:05:08,450 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:05:08,451 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:05:08,452 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:05:08,453 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:05:08,454 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:05:08,454 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:05:08,455 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:05:08,456 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:05:08,456 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:05:08,603 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,604 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,609 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,616 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,668 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:05:08,719 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:05:08,732 WARN L230 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_c782bb46-da2b-4ce6-809c-d814d91df537/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4504,4517] [2022-11-03 02:05:08,733 WARN L230 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_c782bb46-da2b-4ce6-809c-d814d91df537/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4564,4577] [2022-11-03 02:05:08,765 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 02:05:08,783 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,783 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,786 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,787 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,788 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,798 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,805 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,807 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,808 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,811 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,814 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,815 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,815 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,873 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 02:05:08,874 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 02:05:08,875 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 02:05:08,876 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 02:05:08,878 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 02:05:08,878 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 02:05:08,879 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 02:05:08,879 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 02:05:08,882 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 02:05:08,884 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 02:05:08,941 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,944 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,945 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,950 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,995 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 02:05:08,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:05:09,278 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:05:09,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09 WrapperNode [2022-11-03 02:05:09,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:05:09,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:05:09,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:05:09,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:05:09,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (1/1) ... [2022-11-03 02:05:09,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (1/1) ... [2022-11-03 02:05:09,498 INFO L138 Inliner]: procedures = 691, calls = 1684, calls flagged for inlining = 52, calls inlined = 11, statements flattened = 804 [2022-11-03 02:05:09,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:05:09,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:05:09,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:05:09,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:05:09,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (1/1) ... [2022-11-03 02:05:09,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (1/1) ... [2022-11-03 02:05:09,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (1/1) ... [2022-11-03 02:05:09,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (1/1) ... [2022-11-03 02:05:09,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (1/1) ... [2022-11-03 02:05:09,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (1/1) ... [2022-11-03 02:05:09,611 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (1/1) ... [2022-11-03 02:05:09,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (1/1) ... [2022-11-03 02:05:09,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:05:09,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:05:09,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:05:09,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:05:09,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (1/1) ... [2022-11-03 02:05:09,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:05:09,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:05:09,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:05:09,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:05:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:05:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-11-03 02:05:09,727 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-11-03 02:05:09,727 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-11-03 02:05:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-11-03 02:05:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 02:05:09,728 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 02:05:09,728 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-11-03 02:05:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-11-03 02:05:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:05:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-11-03 02:05:09,730 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-11-03 02:05:09,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 02:05:09,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 02:05:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:05:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:05:09,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:05:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2022-11-03 02:05:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2022-11-03 02:05:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:05:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:05:09,732 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 02:05:09,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 02:05:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-11-03 02:05:09,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-11-03 02:05:09,733 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-11-03 02:05:09,734 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-11-03 02:05:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-11-03 02:05:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-11-03 02:05:09,735 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2022-11-03 02:05:09,735 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2022-11-03 02:05:09,736 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:05:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:05:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2022-11-03 02:05:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2022-11-03 02:05:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2022-11-03 02:05:09,737 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2022-11-03 02:05:09,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:05:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2022-11-03 02:05:09,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2022-11-03 02:05:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:05:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:05:09,738 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 02:05:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 02:05:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-11-03 02:05:09,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-11-03 02:05:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2022-11-03 02:05:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2022-11-03 02:05:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_ensure_capacity [2022-11-03 02:05:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_ensure_capacity [2022-11-03 02:05:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:05:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-11-03 02:05:09,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-11-03 02:05:09,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:05:10,096 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:05:10,107 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:05:11,245 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:05:11,451 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:05:11,451 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:05:11,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:05:11 BoogieIcfgContainer [2022-11-03 02:05:11,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:05:11,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:05:11,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:05:11,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:05:11,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:05:06" (1/3) ... [2022-11-03 02:05:11,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c362ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:05:11, skipping insertion in model container [2022-11-03 02:05:11,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:09" (2/3) ... [2022-11-03 02:05:11,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58c362ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:05:11, skipping insertion in model container [2022-11-03 02:05:11,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:05:11" (3/3) ... [2022-11-03 02:05:11,471 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_ensure_capacity_harness.i [2022-11-03 02:05:11,489 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:05:11,489 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:05:11,564 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:05:11,574 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;@45d89100, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:05:11,575 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:05:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 112 states have internal predecessors, (134), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2022-11-03 02:05:11,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-03 02:05:11,593 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:11,594 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-11-03 02:05:11,594 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:11,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:11,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1517059556, now seen corresponding path program 1 times [2022-11-03 02:05:11,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:11,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887599144] [2022-11-03 02:05:11,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:11,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:12,746 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-03 02:05:12,747 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:05:12,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887599144] [2022-11-03 02:05:12,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887599144] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:05:12,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688722773] [2022-11-03 02:05:12,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:12,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:12,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:05:12,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:05:12,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:05:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:13,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 2231 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-03 02:05:13,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:13,471 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:05:13,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:05:13,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688722773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:13,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:05:13,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-03 02:05:13,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542858250] [2022-11-03 02:05:13,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:13,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:05:13,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:05:13,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:05:13,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:05:13,521 INFO L87 Difference]: Start difference. First operand has 207 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 112 states have internal predecessors, (134), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-03 02:05:14,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:14,232 INFO L93 Difference]: Finished difference Result 393 states and 562 transitions. [2022-11-03 02:05:14,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:05:14,237 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 71 [2022-11-03 02:05:14,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:14,258 INFO L225 Difference]: With dead ends: 393 [2022-11-03 02:05:14,258 INFO L226 Difference]: Without dead ends: 201 [2022-11-03 02:05:14,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:05:14,274 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 29 mSDsluCounter, 694 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:14,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 869 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-03 02:05:14,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-03 02:05:14,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-11-03 02:05:14,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 106 states have (on average 1.179245283018868) internal successors, (125), 109 states have internal predecessors, (125), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (80), 70 states have call predecessors, (80), 70 states have call successors, (80) [2022-11-03 02:05:14,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 278 transitions. [2022-11-03 02:05:14,367 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 278 transitions. Word has length 71 [2022-11-03 02:05:14,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:14,368 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 278 transitions. [2022-11-03 02:05:14,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-03 02:05:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 278 transitions. [2022-11-03 02:05:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-03 02:05:14,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:14,374 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:14,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:05:14,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:14,583 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:14,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:14,584 INFO L85 PathProgramCache]: Analyzing trace with hash 717667055, now seen corresponding path program 1 times [2022-11-03 02:05:14,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:14,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899719339] [2022-11-03 02:05:14,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:14,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:14,716 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:05:14,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [168149835] [2022-11-03 02:05:14,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:14,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:14,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:05:14,718 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:05:14,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:05:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:15,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 2363 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:05:15,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:15,412 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-03 02:05:15,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:05:15,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:05:15,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899719339] [2022-11-03 02:05:15,413 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:05:15,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168149835] [2022-11-03 02:05:15,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168149835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:15,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:05:15,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 02:05:15,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022946035] [2022-11-03 02:05:15,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:15,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 02:05:15,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:05:15,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 02:05:15,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:05:15,417 INFO L87 Difference]: Start difference. First operand 201 states and 278 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2022-11-03 02:05:17,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:17,022 INFO L93 Difference]: Finished difference Result 370 states and 510 transitions. [2022-11-03 02:05:17,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:05:17,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 80 [2022-11-03 02:05:17,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:17,026 INFO L225 Difference]: With dead ends: 370 [2022-11-03 02:05:17,026 INFO L226 Difference]: Without dead ends: 201 [2022-11-03 02:05:17,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:05:17,028 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 94 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:17,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 1107 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-03 02:05:17,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-03 02:05:17,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2022-11-03 02:05:17,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 106 states have (on average 1.179245283018868) internal successors, (125), 109 states have internal predecessors, (125), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (74), 70 states have call predecessors, (74), 70 states have call successors, (74) [2022-11-03 02:05:17,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 272 transitions. [2022-11-03 02:05:17,049 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 272 transitions. Word has length 80 [2022-11-03 02:05:17,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:17,050 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 272 transitions. [2022-11-03 02:05:17,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) [2022-11-03 02:05:17,050 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 272 transitions. [2022-11-03 02:05:17,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 02:05:17,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:17,053 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:17,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:17,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:17,263 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:17,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:17,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1286962316, now seen corresponding path program 2 times [2022-11-03 02:05:17,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:17,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731688537] [2022-11-03 02:05:17,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:17,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:17,412 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:05:17,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1971431402] [2022-11-03 02:05:17,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-03 02:05:17,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:17,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:05:17,420 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:05:17,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:05:17,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-03 02:05:17,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-03 02:05:17,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 1914 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 02:05:17,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:17,915 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-11-03 02:05:17,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:05:17,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:05:17,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731688537] [2022-11-03 02:05:17,916 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:05:17,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971431402] [2022-11-03 02:05:17,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971431402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:17,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:05:17,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:05:17,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529952305] [2022-11-03 02:05:17,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:17,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:05:17,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:05:17,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:05:17,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:05:17,918 INFO L87 Difference]: Start difference. First operand 201 states and 272 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:05:19,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:19,255 INFO L93 Difference]: Finished difference Result 348 states and 463 transitions. [2022-11-03 02:05:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:05:19,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 89 [2022-11-03 02:05:19,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:19,258 INFO L225 Difference]: With dead ends: 348 [2022-11-03 02:05:19,258 INFO L226 Difference]: Without dead ends: 205 [2022-11-03 02:05:19,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:05:19,260 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 1 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:19,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 966 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 02:05:19,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2022-11-03 02:05:19,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2022-11-03 02:05:19,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 109 states have (on average 1.1743119266055047) internal successors, (128), 112 states have internal predecessors, (128), 73 states have call successors, (73), 21 states have call predecessors, (73), 22 states have return successors, (75), 71 states have call predecessors, (75), 70 states have call successors, (75) [2022-11-03 02:05:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 276 transitions. [2022-11-03 02:05:19,281 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 276 transitions. Word has length 89 [2022-11-03 02:05:19,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:19,282 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 276 transitions. [2022-11-03 02:05:19,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:05:19,282 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 276 transitions. [2022-11-03 02:05:19,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-03 02:05:19,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:19,284 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:19,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:19,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:19,499 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:19,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:19,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1373110104, now seen corresponding path program 1 times [2022-11-03 02:05:19,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:19,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71570265] [2022-11-03 02:05:19,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:19,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:19,595 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:05:19,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833703977] [2022-11-03 02:05:19,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:19,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:19,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:05:19,597 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:05:19,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:05:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:20,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 2498 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 02:05:20,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:20,313 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-03 02:05:20,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:05:20,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:05:20,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71570265] [2022-11-03 02:05:20,313 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:05:20,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833703977] [2022-11-03 02:05:20,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833703977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:20,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:05:20,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:05:20,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724461196] [2022-11-03 02:05:20,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:20,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:05:20,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:05:20,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:05:20,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:05:20,317 INFO L87 Difference]: Start difference. First operand 205 states and 276 transitions. Second operand has 8 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-03 02:05:21,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:21,789 INFO L93 Difference]: Finished difference Result 375 states and 501 transitions. [2022-11-03 02:05:21,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:05:21,790 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) Word has length 93 [2022-11-03 02:05:21,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:21,791 INFO L225 Difference]: With dead ends: 375 [2022-11-03 02:05:21,791 INFO L226 Difference]: Without dead ends: 203 [2022-11-03 02:05:21,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-03 02:05:21,793 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 129 mSDsluCounter, 1152 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:21,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 1248 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 02:05:21,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-11-03 02:05:21,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2022-11-03 02:05:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 108 states have (on average 1.1666666666666667) internal successors, (126), 110 states have internal predecessors, (126), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (71), 71 states have call predecessors, (71), 70 states have call successors, (71) [2022-11-03 02:05:21,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 270 transitions. [2022-11-03 02:05:21,821 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 270 transitions. Word has length 93 [2022-11-03 02:05:21,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:21,822 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 270 transitions. [2022-11-03 02:05:21,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 4 states have call predecessors, (17), 5 states have call successors, (17) [2022-11-03 02:05:21,822 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 270 transitions. [2022-11-03 02:05:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-03 02:05:21,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:21,832 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 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] [2022-11-03 02:05:21,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:05:22,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:22,051 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:05:22,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:22,051 INFO L85 PathProgramCache]: Analyzing trace with hash -963749564, now seen corresponding path program 1 times [2022-11-03 02:05:22,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:22,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303281977] [2022-11-03 02:05:22,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:22,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:22,148 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:05:22,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933568187] [2022-11-03 02:05:22,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:22,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:05:22,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:05:22,150 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:05:22,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c782bb46-da2b-4ce6-809c-d814d91df537/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:05:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:23,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 2762 conjuncts, 421 conjunts are in the unsatisfiable core [2022-11-03 02:05:23,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:05:23,100 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 02:05:24,192 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 36 [2022-11-03 02:05:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:05:28,219 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 02:05:28,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:05:28,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-03 02:09:43,615 WARN L234 SmtUtils]: Spent 4.23m on a formula simplification. DAG size of input: 109 DAG size of output: 62 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:09:43,616 INFO L356 Elim1Store]: treesize reduction 202, result has 38.6 percent of original size [2022-11-03 02:09:43,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 180 treesize of output 321 [2022-11-03 02:09:43,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:43,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:09:43,662 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 171 treesize of output 200 [2022-11-03 02:10:18,906 WARN L234 SmtUtils]: Spent 35.18s on a formula simplification. DAG size of input: 23 DAG size of output: 15 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:10:18,907 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-03 02:10:18,907 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 114 treesize of output 147 [2022-11-03 02:10:55,181 WARN L234 SmtUtils]: Spent 36.20s on a formula simplification. DAG size of input: 23 DAG size of output: 15 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:10:55,181 INFO L356 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-03 02:10:55,182 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 108 treesize of output 141