./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.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_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/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_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/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_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/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 11ea6a807ddcb2daf8bb5097d2ce4398be45faeef70324f1726e469d3d120ac8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:47:09,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:47:09,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:47:09,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:47:09,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:47:09,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:47:09,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:47:09,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:47:09,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:47:09,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:47:09,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:47:09,397 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:47:09,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:47:09,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:47:09,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:47:09,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:47:09,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:47:09,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:47:09,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:47:09,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:47:09,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:47:09,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:47:09,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:47:09,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:47:09,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:47:09,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:47:09,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:47:09,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:47:09,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:47:09,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:47:09,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:47:09,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:47:09,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:47:09,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:47:09,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:47:09,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:47:09,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:47:09,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:47:09,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:47:09,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:47:09,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:47:09,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:47:09,441 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:47:09,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:47:09,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:47:09,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:47:09,443 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:47:09,443 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:47:09,443 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:47:09,443 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:47:09,443 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:47:09,448 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:47:09,449 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:47:09,449 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:47:09,449 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:47:09,449 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:47:09,449 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:47:09,450 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:47:09,450 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:47:09,450 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:47:09,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:47:09,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:47:09,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:47:09,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:47:09,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:47:09,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:47:09,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:47:09,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:47:09,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:47:09,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:47:09,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:47:09,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:47:09,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:47:09,454 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:47:09,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:47:09,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:47:09,454 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:47:09,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:47:09,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:47:09,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:47:09,455 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_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11ea6a807ddcb2daf8bb5097d2ce4398be45faeef70324f1726e469d3d120ac8 [2022-12-14 09:47:09,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:47:09,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:47:09,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:47:09,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:47:09,667 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:47:09,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i [2022-12-14 09:47:12,270 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:47:12,529 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:47:12,529 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i [2022-12-14 09:47:12,547 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/data/4774be25a/12ca882ce5b7413bb32ac611bd626f2a/FLAG27b3b7456 [2022-12-14 09:47:12,817 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/data/4774be25a/12ca882ce5b7413bb32ac611bd626f2a [2022-12-14 09:47:12,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:47:12,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:47:12,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:47:12,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:47:12,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:47:12,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:47:12" (1/1) ... [2022-12-14 09:47:12,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce34ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:12, skipping insertion in model container [2022-12-14 09:47:12,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:47:12" (1/1) ... [2022-12-14 09:47:12,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:47:12,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:47:13,051 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_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2022-12-14 09:47:13,057 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_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2022-12-14 09:47:13,513 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 09:47:13,547 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:13,556 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:13,561 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:13,561 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:13,562 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:13,562 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:13,563 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:13,566 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:13,571 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:13,572 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:13,573 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:13,574 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:13,626 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:47:13,626 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:47:13,627 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:47:13,629 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 09:47:13,631 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 09:47:13,631 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 09:47:13,721 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:13,813 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 09:47:13,813 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 09:47:13,814 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 09:47:13,815 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 09:47:13,815 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 09:47:13,816 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 09:47:13,817 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 09:47:13,817 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 09:47:13,818 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 09:47:13,818 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 09:47:13,818 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 09:47:13,923 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:13,924 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:13,925 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:13,925 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:13,942 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:13,956 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:47:13,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:47:13,982 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:47:13,991 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_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2022-12-14 09:47:13,992 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_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2022-12-14 09:47:14,014 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 09:47:14,018 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:14,022 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:14,024 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:14,024 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:14,025 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:14,025 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:14,025 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:14,027 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:14,031 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:14,031 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:14,032 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:14,032 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:14,037 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:47:14,037 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:47:14,038 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 09:47:14,040 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 09:47:14,051 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 09:47:14,052 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 09:47:14,055 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:14,077 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 09:47:14,078 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 09:47:14,079 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 09:47:14,080 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 09:47:14,081 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 09:47:14,082 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 09:47:14,083 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 09:47:14,083 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 09:47:14,084 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 09:47:14,084 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 09:47:14,085 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 09:47:14,114 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:14,115 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:14,116 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:14,117 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 09:47:14,124 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 09:47:14,140 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 09:47:14,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:47:14,297 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:47:14,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14 WrapperNode [2022-12-14 09:47:14,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:47:14,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:47:14,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:47:14,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:47:14,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (1/1) ... [2022-12-14 09:47:14,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (1/1) ... [2022-12-14 09:47:14,415 INFO L138 Inliner]: procedures = 689, calls = 1513, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 735 [2022-12-14 09:47:14,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:47:14,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:47:14,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:47:14,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:47:14,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (1/1) ... [2022-12-14 09:47:14,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (1/1) ... [2022-12-14 09:47:14,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (1/1) ... [2022-12-14 09:47:14,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (1/1) ... [2022-12-14 09:47:14,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (1/1) ... [2022-12-14 09:47:14,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (1/1) ... [2022-12-14 09:47:14,470 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (1/1) ... [2022-12-14 09:47:14,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (1/1) ... [2022-12-14 09:47:14,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:47:14,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:47:14,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:47:14,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:47:14,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (1/1) ... [2022-12-14 09:47:14,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:47:14,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:47:14,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:47:14,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:47:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-12-14 09:47:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-12-14 09:47:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 09:47:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 09:47:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 09:47:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 09:47:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 09:47:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2022-12-14 09:47:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2022-12-14 09:47:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 09:47:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 09:47:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 09:47:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 09:47:14,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 09:47:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 09:47:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 09:47:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 09:47:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:47:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:47:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 09:47:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 09:47:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 09:47:14,548 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 09:47:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2022-12-14 09:47:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2022-12-14 09:47:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-12-14 09:47:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-12-14 09:47:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 09:47:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 09:47:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 09:47:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 09:47:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 09:47:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 09:47:14,549 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 09:47:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 09:47:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 09:47:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 09:47:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2022-12-14 09:47:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2022-12-14 09:47:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2022-12-14 09:47:14,550 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2022-12-14 09:47:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 09:47:14,766 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:47:14,768 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:47:15,400 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:47:15,546 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:47:15,546 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 09:47:15,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:47:15 BoogieIcfgContainer [2022-12-14 09:47:15,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:47:15,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:47:15,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:47:15,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:47:15,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:47:12" (1/3) ... [2022-12-14 09:47:15,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfbb607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:47:15, skipping insertion in model container [2022-12-14 09:47:15,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:47:14" (2/3) ... [2022-12-14 09:47:15,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bfbb607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:47:15, skipping insertion in model container [2022-12-14 09:47:15,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:47:15" (3/3) ... [2022-12-14 09:47:15,554 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness_negated.i [2022-12-14 09:47:15,568 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:47:15,568 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:47:15,604 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:47:15,608 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;@55efba41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:47:15,608 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:47:15,612 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 09:47:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 09:47:15,619 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:47:15,619 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 09:47:15,620 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:47:15,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:47:15,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1552573868, now seen corresponding path program 1 times [2022-12-14 09:47:15,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:47:15,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822093958] [2022-12-14 09:47:15,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:47:15,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:47:15,831 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:47:15,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1714321164] [2022-12-14 09:47:15,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:47:15,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:47:15,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:47:15,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:47:15,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 09:47:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:47:16,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 2186 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 09:47:16,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:47:16,254 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 09:47:16,254 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:47:16,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:47:16,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822093958] [2022-12-14 09:47:16,255 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:47:16,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714321164] [2022-12-14 09:47:16,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714321164] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:47:16,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:47:16,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 09:47:16,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411674878] [2022-12-14 09:47:16,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:47:16,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 09:47:16,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:47:16,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 09:47:16,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 09:47:16,288 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 09:47:16,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:47:16,423 INFO L93 Difference]: Finished difference Result 295 states and 415 transitions. [2022-12-14 09:47:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 09:47:16,425 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 09:47:16,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:47:16,439 INFO L225 Difference]: With dead ends: 295 [2022-12-14 09:47:16,439 INFO L226 Difference]: Without dead ends: 151 [2022-12-14 09:47:16,442 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 09:47:16,444 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 09:47:16,445 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 09:47:16,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-12-14 09:47:16,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-12-14 09:47:16,483 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 09:47:16,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 203 transitions. [2022-12-14 09:47:16,488 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 203 transitions. Word has length 71 [2022-12-14 09:47:16,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:47:16,489 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 203 transitions. [2022-12-14 09:47:16,490 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 09:47:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 203 transitions. [2022-12-14 09:47:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 09:47:16,493 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:47:16,493 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 09:47:16,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:47:16,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 09:47:16,695 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:47:16,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:47:16,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1747271445, now seen corresponding path program 1 times [2022-12-14 09:47:16,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:47:16,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333435610] [2022-12-14 09:47:16,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:47:16,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:47:16,880 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:47:16,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [413170391] [2022-12-14 09:47:16,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:47:16,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:47:16,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:47:16,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:47:16,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 09:47:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:47:17,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 2334 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 09:47:17,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:47:17,330 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 09:47:17,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:47:17,330 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:47:17,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333435610] [2022-12-14 09:47:17,331 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:47:17,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413170391] [2022-12-14 09:47:17,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413170391] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:47:17,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:47:17,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 09:47:17,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964664648] [2022-12-14 09:47:17,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:47:17,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 09:47:17,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:47:17,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 09:47:17,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 09:47:17,333 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 09:47:17,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:47:17,823 INFO L93 Difference]: Finished difference Result 290 states and 385 transitions. [2022-12-14 09:47:17,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 09:47:17,824 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 09:47:17,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:47:17,825 INFO L225 Difference]: With dead ends: 290 [2022-12-14 09:47:17,825 INFO L226 Difference]: Without dead ends: 151 [2022-12-14 09:47:17,826 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 09:47:17,826 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 09:47:17,827 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 09:47:17,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-12-14 09:47:17,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-12-14 09:47:17,836 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 09:47:17,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 202 transitions. [2022-12-14 09:47:17,837 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 202 transitions. Word has length 97 [2022-12-14 09:47:17,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:47:17,838 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 202 transitions. [2022-12-14 09:47:17,838 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 09:47:17,838 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 202 transitions. [2022-12-14 09:47:17,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 09:47:17,839 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:47:17,839 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 09:47:17,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 09:47:18,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:47:18,041 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:47:18,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:47:18,043 INFO L85 PathProgramCache]: Analyzing trace with hash 832172397, now seen corresponding path program 1 times [2022-12-14 09:47:18,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:47:18,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990203251] [2022-12-14 09:47:18,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:47:18,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:47:18,150 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:47:18,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1181220157] [2022-12-14 09:47:18,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:47:18,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:47:18,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:47:18,152 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:47:18,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 09:47:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:47:18,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 2348 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 09:47:18,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:47:18,573 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 09:47:18,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:47:18,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:47:18,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990203251] [2022-12-14 09:47:18,574 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:47:18,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181220157] [2022-12-14 09:47:18,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181220157] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:47:18,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:47:18,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:47:18,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530661596] [2022-12-14 09:47:18,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:47:18,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 09:47:18,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:47:18,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 09:47:18,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:47:18,576 INFO L87 Difference]: Start difference. First operand 151 states and 202 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 09:47:18,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:47:18,754 INFO L93 Difference]: Finished difference Result 287 states and 383 transitions. [2022-12-14 09:47:18,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 09:47:18,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 99 [2022-12-14 09:47:18,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:47:18,756 INFO L225 Difference]: With dead ends: 287 [2022-12-14 09:47:18,756 INFO L226 Difference]: Without dead ends: 152 [2022-12-14 09:47:18,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 09:47:18,758 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:47:18,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 357 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:47:18,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2022-12-14 09:47:18,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2022-12-14 09:47:18,770 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 09:47:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 203 transitions. [2022-12-14 09:47:18,771 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 203 transitions. Word has length 99 [2022-12-14 09:47:18,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:47:18,772 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 203 transitions. [2022-12-14 09:47:18,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 09:47:18,772 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 203 transitions. [2022-12-14 09:47:18,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 09:47:18,773 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:47:18,774 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 09:47:18,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 09:47:18,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:47:18,975 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:47:18,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:47:18,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1806984877, now seen corresponding path program 1 times [2022-12-14 09:47:18,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:47:18,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459621478] [2022-12-14 09:47:18,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:47:18,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:47:19,142 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 09:47:19,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187621046] [2022-12-14 09:47:19,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:47:19,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:47:19,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:47:19,144 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:47:19,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c76cc6b-899b-4fe1-91b6-9b3c27073f5f/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:47:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:47:19,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 2386 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 09:47:19,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:47:19,575 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 09:47:19,575 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:47:19,889 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 09:47:19,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:47:19,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459621478] [2022-12-14 09:47:19,889 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 09:47:19,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187621046] [2022-12-14 09:47:19,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187621046] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:47:19,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [641883394] [2022-12-14 09:47:19,910 INFO L159 IcfgInterpreter]: Started Sifa with 61 locations of interest [2022-12-14 09:47:19,910 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 09:47:19,914 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 09:47:19,919 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 09:47:19,920 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 09:47:22,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:47:23,126 INFO L217 Elim1Store]: Index analysis took 292 ms [2022-12-14 09:47:42,804 WARN L233 SmtUtils]: Spent 19.61s 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 09:47:42,808 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 09:47:42,811 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 09:47:46,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:47:46,874 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 09:48:17,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:48:17,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:48:17,559 INFO L217 Elim1Store]: Index analysis took 190 ms [2022-12-14 09:48:28,710 WARN L233 SmtUtils]: Spent 11.11s 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 09:48:28,713 INFO L321 Elim1Store]: treesize reduction 1960, result has 47.4 percent of original size [2022-12-14 09:48:28,716 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 09:48:33,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:48:33,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:48:33,824 INFO L217 Elim1Store]: Index analysis took 411 ms [2022-12-14 09:48:52,254 WARN L233 SmtUtils]: Spent 18.40s 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 09:48:52,257 INFO L321 Elim1Store]: treesize reduction 3528, result has 33.3 percent of original size [2022-12-14 09:48:52,259 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 09:50:36,761 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:50:36,764 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 09:50:36,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:50:36,792 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 09:50:36,796 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:50:36,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:50:41,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,425 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 09:50:41,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:41,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:42,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:42,027 INFO L217 Elim1Store]: Index analysis took 109 ms [2022-12-14 09:50:42,048 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 09:50:42,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:42,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:42,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 09:50:43,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:43,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:43,321 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 09:50:43,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:43,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:43,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:43,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:43,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:43,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:44,018 INFO L217 Elim1Store]: Index analysis took 104 ms [2022-12-14 09:50:44,038 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 09:50:59,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:59,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:50:59,829 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 09:51:00,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:00,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:00,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:00,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:00,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:00,543 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 09:51:01,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,266 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 09:51:01,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:01,768 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 09:51:02,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:02,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:02,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19505 disjoint index pairs (out of 19503 index pairs), introduced 198 new quantified variables, introduced 0 case distinctions, treesize of input 991 treesize of output 595 [2022-12-14 09:51:12,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-12-14 09:51:12,754 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 09:51:13,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:51:13,745 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:51:16,224 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:51:16,276 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-12-14 09:51:40,750 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 09:51:41,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:51:41,007 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 09:51:41,253 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 09:51:41,332 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:51:43,234 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 09:51:43,241 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 09:51:43,247 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 09:51:43,253 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 09:51:43,268 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 09:51:43,271 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 09:51:43,303 INFO L321 Elim1Store]: treesize reduction 127, result has 18.1 percent of original size [2022-12-14 09:51:43,303 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 09:51:43,317 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 09:51:43,333 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 09:51:43,336 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 09:51:43,340 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 09:51:43,344 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 09:51:44,478 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 09:51:44,588 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 09:51:44,749 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 09:51:47,679 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 09:51:47,818 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 09:51:48,080 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 09:52:16,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:16,124 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 09:52:16,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:16,337 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 09:52:18,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:18,779 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 09:52:18,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:18,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:52:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:22,002 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 09:52:22,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:22,317 INFO L217 Elim1Store]: Index analysis took 194 ms [2022-12-14 09:52:22,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 09:52:31,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:31,195 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 09:52:31,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:31,378 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 09:52:31,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:31,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:31,482 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 09:52:31,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:52:31,630 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 09:53:26,146 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 2808 for LOIs [2022-12-14 09:53:31,910 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 63 for LOIs [2022-12-14 09:53:31,949 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 3731 for LOIs [2022-12-14 09:55:35,013 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:55:35,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 09:55:35,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:55:35,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-12-14 09:56:08,197 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 3692 for LOIs [2022-12-14 09:56:23,383 INFO L197 IcfgInterpreter]: Interpreting procedure my_memset with input of size 1230 for LOIs [2022-12-14 09:56:41,371 INFO L197 IcfgInterpreter]: Interpreting procedure memset_impl with input of size 1230 for LOIs [2022-12-14 09:57:00,108 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 09:57:00,117 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 09:57:00,128 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 09:57:00,138 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 09:57:00,184 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 09:57:00,197 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 09:57:00,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 09:57:00,212 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 09:57:00,244 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 09:57:00,303 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 09:57:00,312 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 09:57:00,334 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 09:57:00,346 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 09:57:05,796 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 681 for LOIs [2022-12-14 09:57:09,447 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 71 for LOIs [2022-12-14 09:57:09,454 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 09:58:57,035 WARN L233 SmtUtils]: Spent 1.78m 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 09:59:24,922 WARN L233 SmtUtils]: Spent 27.06s 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 09:59:53,513 WARN L233 SmtUtils]: Spent 27.73s 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)