./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/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_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/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_55070931-1bb9-4600-adfe-a865d5902ddf/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 fd704c0997d5526a33ae946f9f6b6d8e05b412ad44e87cb653981b428eeb987a --- 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 16:08:06,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:08:06,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:08:06,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:08:06,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:08:06,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:08:06,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:08:06,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:08:06,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:08:06,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:08:06,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:08:06,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:08:06,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:08:06,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:08:06,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:08:06,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:08:06,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:08:06,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:08:06,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:08:06,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:08:06,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:08:06,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:08:06,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:08:06,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:08:06,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:08:06,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:08:06,322 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:08:06,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:08:06,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:08:06,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:08:06,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:08:06,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:08:06,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:08:06,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:08:06,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:08:06,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:08:06,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:08:06,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:08:06,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:08:06,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:08:06,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:08:06,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 16:08:06,344 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:08:06,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:08:06,345 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:08:06,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:08:06,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:08:06,346 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:08:06,346 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:08:06,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:08:06,347 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:08:06,347 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:08:06,347 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:08:06,347 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:08:06,347 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:08:06,347 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:08:06,347 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:08:06,348 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:08:06,348 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:08:06,348 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:08:06,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:08:06,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:08:06,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:08:06,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:08:06,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:08:06,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:08:06,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:08:06,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:08:06,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:08:06,350 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:08:06,350 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:08:06,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:08:06,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:08:06,351 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:08:06,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:08:06,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:08:06,351 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:08:06,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:08:06,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:08:06,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:08:06,352 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_55070931-1bb9-4600-adfe-a865d5902ddf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd704c0997d5526a33ae946f9f6b6d8e05b412ad44e87cb653981b428eeb987a [2022-12-14 16:08:06,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:08:06,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:08:06,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:08:06,544 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:08:06,545 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:08:06,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2022-12-14 16:08:09,151 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:08:09,424 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:08:09,424 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i [2022-12-14 16:08:09,444 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/data/497122bb6/b9ad35da0fae412ba3d8df1571650b37/FLAG7c2f49813 [2022-12-14 16:08:09,454 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/data/497122bb6/b9ad35da0fae412ba3d8df1571650b37 [2022-12-14 16:08:09,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:08:09,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:08:09,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:08:09,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:08:09,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:08:09,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:08:09" (1/1) ... [2022-12-14 16:08:09,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8968e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:09, skipping insertion in model container [2022-12-14 16:08:09,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:08:09" (1/1) ... [2022-12-14 16:08:09,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:08:09,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:08:09,680 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_55070931-1bb9-4600-adfe-a865d5902ddf/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4505,4518] [2022-12-14 16:08:09,686 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_55070931-1bb9-4600-adfe-a865d5902ddf/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4565,4578] [2022-12-14 16:08:10,209 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 16:08:10,251 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,260 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,264 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,265 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,265 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,266 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,272 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,275 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,280 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,280 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,281 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,281 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,331 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:08:10,331 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:08:10,332 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:08:10,335 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 16:08:10,337 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 16:08:10,337 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 16:08:10,436 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,538 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 16:08:10,539 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 16:08:10,540 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 16:08:10,540 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 16:08:10,541 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 16:08:10,542 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 16:08:10,542 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 16:08:10,543 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 16:08:10,543 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 16:08:10,544 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 16:08:10,544 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 16:08:10,659 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,660 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,661 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,661 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,679 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,693 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 16:08:10,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:08:10,718 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:08:10,729 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_55070931-1bb9-4600-adfe-a865d5902ddf/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4505,4518] [2022-12-14 16:08:10,729 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_55070931-1bb9-4600-adfe-a865d5902ddf/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness.i[4565,4578] [2022-12-14 16:08:10,750 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 16:08:10,754 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,760 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,763 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,764 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,764 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,765 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,765 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,768 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,773 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,773 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,774 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,775 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,781 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:08:10,782 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:08:10,782 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 16:08:10,785 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 16:08:10,786 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 16:08:10,787 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 16:08:10,789 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,808 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 16:08:10,809 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 16:08:10,810 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 16:08:10,811 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 16:08:10,812 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 16:08:10,813 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 16:08:10,813 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 16:08:10,814 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 16:08:10,814 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 16:08:10,814 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 16:08:10,815 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 16:08:10,841 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,843 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,843 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,844 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 16:08:10,850 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 16:08:10,863 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 16:08:10,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:08:11,078 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:08:11,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11 WrapperNode [2022-12-14 16:08:11,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:08:11,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:08:11,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:08:11,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:08:11,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (1/1) ... [2022-12-14 16:08:11,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (1/1) ... [2022-12-14 16:08:11,193 INFO L138 Inliner]: procedures = 689, calls = 1513, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 735 [2022-12-14 16:08:11,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:08:11,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:08:11,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:08:11,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:08:11,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (1/1) ... [2022-12-14 16:08:11,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (1/1) ... [2022-12-14 16:08:11,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (1/1) ... [2022-12-14 16:08:11,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (1/1) ... [2022-12-14 16:08:11,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (1/1) ... [2022-12-14 16:08:11,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (1/1) ... [2022-12-14 16:08:11,250 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (1/1) ... [2022-12-14 16:08:11,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (1/1) ... [2022-12-14 16:08:11,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:08:11,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:08:11,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:08:11,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:08:11,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (1/1) ... [2022-12-14 16:08:11,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:08:11,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:11,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:08:11,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:08:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-12-14 16:08:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-12-14 16:08:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:08:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 16:08:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 16:08:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 16:08:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 16:08:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 16:08:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 16:08:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:08:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 16:08:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 16:08:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 16:08:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 16:08:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 16:08:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:08:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 16:08:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:08:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:08:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 16:08:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 16:08:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 16:08:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 16:08:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 16:08:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 16:08:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-12-14 16:08:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-12-14 16:08:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 16:08:11,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 16:08:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:08:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 16:08:11,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 16:08:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 16:08:11,331 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 16:08:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 16:08:11,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 16:08:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:08:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2022-12-14 16:08:11,331 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2022-12-14 16:08:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2022-12-14 16:08:11,331 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2022-12-14 16:08:11,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:08:11,555 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:08:11,558 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:08:12,252 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:08:12,402 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:08:12,402 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 16:08:12,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:08:12 BoogieIcfgContainer [2022-12-14 16:08:12,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:08:12,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:08:12,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:08:12,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:08:12,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:08:09" (1/3) ... [2022-12-14 16:08:12,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8992fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:08:12, skipping insertion in model container [2022-12-14 16:08:12,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:11" (2/3) ... [2022-12-14 16:08:12,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a8992fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:08:12, skipping insertion in model container [2022-12-14 16:08:12,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:08:12" (3/3) ... [2022-12-14 16:08:12,410 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness.i [2022-12-14 16:08:12,424 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:08:12,424 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 16:08:12,460 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:08:12,465 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;@cda43d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:08:12,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 16:08:12,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 87 states have internal predecessors, (107), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2022-12-14 16:08:12,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 16:08:12,475 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:12,476 INFO L195 NwaCegarLoop]: trace histogram [10, 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] [2022-12-14 16:08:12,476 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:08:12,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:12,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1552573868, now seen corresponding path program 1 times [2022-12-14 16:08:12,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:12,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034462643] [2022-12-14 16:08:12,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:12,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:12,721 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:12,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489327878] [2022-12-14 16:08:12,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:12,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:12,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:12,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:12,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 16:08:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:13,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 2186 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 16:08:13,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:13,197 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-12-14 16:08:13,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:08:13,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:13,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034462643] [2022-12-14 16:08:13,198 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:13,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489327878] [2022-12-14 16:08:13,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489327878] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:13,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:13,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:08:13,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747559191] [2022-12-14 16:08:13,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:13,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 16:08:13,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:13,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 16:08:13,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 16:08:13,229 INFO L87 Difference]: Start difference. First operand has 155 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 87 states have internal predecessors, (107), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 16:08:13,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:13,377 INFO L93 Difference]: Finished difference Result 295 states and 415 transitions. [2022-12-14 16:08:13,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 16:08:13,379 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 71 [2022-12-14 16:08:13,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:13,386 INFO L225 Difference]: With dead ends: 295 [2022-12-14 16:08:13,386 INFO L226 Difference]: Without dead ends: 151 [2022-12-14 16:08:13,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 16:08:13,391 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:13,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:08:13,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-12-14 16:08:13,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-12-14 16:08:13,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 82 states have (on average 1.2073170731707317) internal successors, (99), 84 states have internal predecessors, (99), 53 states have call successors, (53), 15 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 16:08:13,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 203 transitions. [2022-12-14 16:08:13,427 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 203 transitions. Word has length 71 [2022-12-14 16:08:13,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:13,429 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 203 transitions. [2022-12-14 16:08:13,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 16:08:13,429 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 203 transitions. [2022-12-14 16:08:13,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 16:08:13,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:13,431 INFO L195 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 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] [2022-12-14 16:08:13,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 16:08:13,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 16:08:13,633 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:08:13,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:13,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1747271445, now seen corresponding path program 1 times [2022-12-14 16:08:13,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:13,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744108603] [2022-12-14 16:08:13,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:13,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:13,830 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:13,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1743188587] [2022-12-14 16:08:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:13,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:13,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:13,832 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:13,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 16:08:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:14,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 2334 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 16:08:14,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:14,305 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-14 16:08:14,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:08:14,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:14,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744108603] [2022-12-14 16:08:14,306 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:14,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743188587] [2022-12-14 16:08:14,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743188587] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:14,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:14,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 16:08:14,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112799330] [2022-12-14 16:08:14,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:14,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 16:08:14,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:14,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 16:08:14,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 16:08:14,309 INFO L87 Difference]: Start difference. First operand 151 states and 203 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 16:08:14,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:14,803 INFO L93 Difference]: Finished difference Result 290 states and 385 transitions. [2022-12-14 16:08:14,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 16:08:14,803 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 97 [2022-12-14 16:08:14,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:14,805 INFO L225 Difference]: With dead ends: 290 [2022-12-14 16:08:14,805 INFO L226 Difference]: Without dead ends: 151 [2022-12-14 16:08:14,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 92 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 16:08:14,806 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 8 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:14,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 862 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 16:08:14,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-12-14 16:08:14,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-12-14 16:08:14,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 82 states have (on average 1.1951219512195121) internal successors, (98), 84 states have internal predecessors, (98), 53 states have call successors, (53), 15 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 16:08:14,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 202 transitions. [2022-12-14 16:08:14,817 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 202 transitions. Word has length 97 [2022-12-14 16:08:14,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:14,817 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 202 transitions. [2022-12-14 16:08:14,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 4 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 16:08:14,817 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 202 transitions. [2022-12-14 16:08:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 16:08:14,818 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:14,819 INFO L195 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 2, 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] [2022-12-14 16:08:14,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 16:08:15,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:15,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:08:15,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:15,021 INFO L85 PathProgramCache]: Analyzing trace with hash 832172397, now seen corresponding path program 1 times [2022-12-14 16:08:15,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:15,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85145923] [2022-12-14 16:08:15,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:15,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:15,095 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:15,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [24697199] [2022-12-14 16:08:15,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:15,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:15,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:15,097 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:15,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 16:08:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:15,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 2348 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 16:08:15,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-12-14 16:08:15,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:08:15,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:15,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85145923] [2022-12-14 16:08:15,504 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:15,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24697199] [2022-12-14 16:08:15,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24697199] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:15,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:15,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 16:08:15,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684151595] [2022-12-14 16:08:15,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:15,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:08:15,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:15,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:08:15,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:08:15,514 INFO L87 Difference]: Start difference. First operand 151 states and 202 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 16:08:15,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:15,709 INFO L93 Difference]: Finished difference Result 287 states and 383 transitions. [2022-12-14 16:08:15,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 16:08:15,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 99 [2022-12-14 16:08:15,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:15,712 INFO L225 Difference]: With dead ends: 287 [2022-12-14 16:08:15,712 INFO L226 Difference]: Without dead ends: 152 [2022-12-14 16:08:15,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-14 16:08:15,714 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 5 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:15,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 519 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:08:15,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-12-14 16:08:15,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2022-12-14 16:08:15,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 83 states have (on average 1.1927710843373494) internal successors, (99), 85 states have internal predecessors, (99), 53 states have call successors, (53), 15 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 16:08:15,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 203 transitions. [2022-12-14 16:08:15,730 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 203 transitions. Word has length 99 [2022-12-14 16:08:15,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:15,730 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 203 transitions. [2022-12-14 16:08:15,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-14 16:08:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 203 transitions. [2022-12-14 16:08:15,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 16:08:15,732 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:15,732 INFO L195 NwaCegarLoop]: trace histogram [12, 2, 2, 2, 2, 2, 2, 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] [2022-12-14 16:08:15,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 16:08:15,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-14 16:08:15,934 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 16:08:15,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:15,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1806984877, now seen corresponding path program 1 times [2022-12-14 16:08:15,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:15,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738241968] [2022-12-14 16:08:15,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:15,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:16,052 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:16,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479712129] [2022-12-14 16:08:16,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:16,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:16,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:16,054 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:16,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55070931-1bb9-4600-adfe-a865d5902ddf/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 16:08:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:16,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 2386 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 16:08:16,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:16,563 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 84 proven. 1 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 16:08:16,563 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:08:16,833 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-12-14 16:08:16,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:16,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738241968] [2022-12-14 16:08:16,833 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:16,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479712129] [2022-12-14 16:08:16,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479712129] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:08:16,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1713332835] [2022-12-14 16:08:16,851 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-12-14 16:08:16,851 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:08:16,855 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:08:16,861 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:08:16,861 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:08:19,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:19,454 INFO L217 Elim1Store]: Index analysis took 313 ms [2022-12-14 16:08:39,250 WARN L233 SmtUtils]: Spent 19.73s on a formula simplification. DAG size of input: 2150 DAG size of output: 1173 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 16:08:39,253 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 16:08:39,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 198 select indices, 198 select index equivalence classes, 19308 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 390 case distinctions, treesize of input 997 treesize of output 2365 [2022-12-14 16:08:42,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:42,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19307 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 0 case distinctions, treesize of input 987 treesize of output 1574 [2022-12-14 16:09:13,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:09:13,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:09:14,122 INFO L217 Elim1Store]: Index analysis took 220 ms [2022-12-14 16:09:25,193 WARN L233 SmtUtils]: Spent 11.02s on a formula simplification. DAG size of input: 1767 DAG size of output: 1179 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 16:09:25,195 INFO L321 Elim1Store]: treesize reduction 1960, result has 47.4 percent of original size [2022-12-14 16:09:25,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 197 select indices, 197 select index equivalence classes, 19309 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 196 case distinctions, treesize of input 992 treesize of output 2366 [2022-12-14 16:09:29,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:09:29,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:09:30,306 INFO L217 Elim1Store]: Index analysis took 477 ms [2022-12-14 16:09:49,675 WARN L233 SmtUtils]: Spent 19.34s on a formula simplification. DAG size of input: 2161 DAG size of output: 1179 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 16:09:49,677 INFO L321 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2022-12-14 16:09:49,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 199 select indices, 199 select index equivalence classes, 19505 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 392 case distinctions, treesize of input 1002 treesize of output 2377 [2022-12-14 16:11:31,753 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 16:11:31,756 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 16:11:31,782 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 16:11:31,788 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 16:11:31,792 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 16:11:31,798 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 16:11:36,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-12-14 16:11:36,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:36,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 16:11:37,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:37,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:37,313 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 16:11:37,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:37,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:37,971 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-12-14 16:11:38,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:38,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:38,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:38,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:38,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:38,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:38,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:38,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 16:11:54,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:54,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:54,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 199 select indices, 199 select index equivalence classes, 19701 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 996 treesize of output 598 [2022-12-14 16:11:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 16:11:55,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:55,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 193 select indices, 193 select index equivalence classes, 16855 disjoint index pairs (out of 18528 index pairs), introduced 193 new quantified variables, introduced 0 case distinctions, treesize of input 1736 treesize of output 580 [2022-12-14 16:11:56,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 53 select indices, 53 select index equivalence classes, 1045 disjoint index pairs (out of 1378 index pairs), introduced 53 new quantified variables, introduced 0 case distinctions, treesize of input 464 treesize of output 160 [2022-12-14 16:11:56,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:11:56,916 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 16:12:07,853 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 16:12:07,857 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 8 treesize of output 7 [2022-12-14 16:12:08,781 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 16:12:08,849 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 16:12:11,378 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 16:12:11,431 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 16:12:36,580 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 11 treesize of output 7 [2022-12-14 16:12:36,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:12:36,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 198 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 38 [2022-12-14 16:12:37,076 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 11 treesize of output 7 [2022-12-14 16:12:37,164 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 16:12:39,125 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 45 treesize of output 41 [2022-12-14 16:12:39,132 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 57 treesize of output 1 [2022-12-14 16:12:39,138 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 57 treesize of output 1 [2022-12-14 16:12:39,144 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 57 treesize of output 1 [2022-12-14 16:12:39,159 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 57 treesize of output 1 [2022-12-14 16:12:39,162 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 57 treesize of output 1 [2022-12-14 16:12:39,187 INFO L321 Elim1Store]: treesize reduction 127, result has 18.1 percent of original size [2022-12-14 16:12:39,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 205 treesize of output 204 [2022-12-14 16:12:39,200 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 57 treesize of output 1 [2022-12-14 16:12:39,215 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 57 treesize of output 1 [2022-12-14 16:12:39,218 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 57 treesize of output 1 [2022-12-14 16:12:39,220 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 57 treesize of output 1 [2022-12-14 16:12:39,223 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 45 treesize of output 41 [2022-12-14 16:12:40,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 16:12:40,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-12-14 16:12:40,648 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 16:12:43,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 197 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 5 [2022-12-14 16:12:43,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 16:12:44,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-12-14 16:13:13,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:13,260 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 16:13:13,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:13,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 17 [2022-12-14 16:13:16,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:16,003 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 15 treesize of output 11 [2022-12-14 16:13:16,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:16,185 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 16:13:19,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:19,356 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 15 treesize of output 11 [2022-12-14 16:13:19,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:19,495 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 16:13:28,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:28,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 20 treesize of output 9 [2022-12-14 16:13:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:28,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 17 [2022-12-14 16:13:28,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:28,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:28,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:28,939 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2022-12-14 16:13:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:13:29,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 16 treesize of output 17 [2022-12-14 16:14:24,956 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2808 for LOIs [2022-12-14 16:14:30,817 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 62 for LOIs [2022-12-14 16:14:30,853 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 3731 for LOIs [2022-12-14 16:16:37,778 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 16:16:37,784 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 16:16:37,791 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 16:16:37,798 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 16:17:12,305 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 3692 for LOIs [2022-12-14 16:17:28,060 INFO L197 IcfgInterpreter]: Interpreting procedure my_memset with input of size 1230 for LOIs [2022-12-14 16:17:48,334 INFO L197 IcfgInterpreter]: Interpreting procedure memset_impl with input of size 1230 for LOIs [2022-12-14 16:18:07,625 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 57 treesize of output 1 [2022-12-14 16:18:07,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 1 [2022-12-14 16:18:07,640 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 45 treesize of output 41 [2022-12-14 16:18:07,649 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 57 treesize of output 1 [2022-12-14 16:18:07,696 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 57 treesize of output 1 [2022-12-14 16:18:07,705 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 57 treesize of output 1 [2022-12-14 16:18:07,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:18:07,715 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 205 treesize of output 204 [2022-12-14 16:18:07,742 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 57 treesize of output 1 [2022-12-14 16:18:07,792 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 57 treesize of output 1 [2022-12-14 16:18:07,800 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 57 treesize of output 1 [2022-12-14 16:18:07,811 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 57 treesize of output 1 [2022-12-14 16:18:07,819 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 45 treesize of output 41 [2022-12-14 16:18:13,337 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 681 for LOIs [2022-12-14 16:18:17,361 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 71 for LOIs [2022-12-14 16:18:17,367 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:20:08,433 WARN L233 SmtUtils]: Spent 1.84m on a formula simplification. DAG size of input: 2808 DAG size of output: 2420 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:20:36,401 WARN L233 SmtUtils]: Spent 27.15s on a formula simplification that was a NOOP. DAG size: 2808 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 16:21:02,349 WARN L233 SmtUtils]: Spent 25.08s on a formula simplification that was a NOOP. DAG size: 2812 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)