./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/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_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/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_95835223-3d91-4c70-972d-6580fe04946a/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 1b920ac3045decc1a5a84e4c4a6d200f349784425219a23e0b9ddb547b7159b4 --- 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 06:26:57,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:26:57,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:26:57,293 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:26:57,293 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:26:57,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:26:57,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:26:57,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:26:57,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:26:57,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:26:57,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:26:57,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:26:57,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:26:57,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:26:57,300 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:26:57,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:26:57,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:26:57,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:26:57,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:26:57,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:26:57,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:26:57,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:26:57,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:26:57,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:26:57,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:26:57,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:26:57,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:26:57,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:26:57,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:26:57,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:26:57,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:26:57,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:26:57,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:26:57,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:26:57,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:26:57,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:26:57,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:26:57,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:26:57,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:26:57,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:26:57,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:26:57,318 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 06:26:57,333 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:26:57,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:26:57,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:26:57,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:26:57,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:26:57,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:26:57,335 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:26:57,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:26:57,335 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:26:57,335 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:26:57,335 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:26:57,335 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:26:57,335 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:26:57,335 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:26:57,336 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:26:57,336 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:26:57,336 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:26:57,336 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:26:57,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:26:57,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:26:57,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:26:57,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:26:57,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:26:57,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:26:57,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:26:57,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:26:57,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:26:57,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:26:57,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:26:57,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:26:57,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:26:57,338 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:26:57,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:26:57,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:26:57,338 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:26:57,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:26:57,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:26:57,339 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:26:57,339 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_95835223-3d91-4c70-972d-6580fe04946a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b920ac3045decc1a5a84e4c4a6d200f349784425219a23e0b9ddb547b7159b4 [2022-12-14 06:26:57,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:26:57,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:26:57,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:26:57,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:26:57,538 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:26:57,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i [2022-12-14 06:27:00,044 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:27:00,323 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:27:00,323 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i [2022-12-14 06:27:00,343 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/data/027576ee5/b7ab94ac07494865b8e4669d4233f948/FLAG8ee04a21b [2022-12-14 06:27:00,596 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/data/027576ee5/b7ab94ac07494865b8e4669d4233f948 [2022-12-14 06:27:00,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:27:00,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:27:00,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:27:00,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:27:00,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:27:00,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:27:00" (1/1) ... [2022-12-14 06:27:00,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b9e530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:00, skipping insertion in model container [2022-12-14 06:27:00,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:27:00" (1/1) ... [2022-12-14 06:27:00,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:27:00,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:27:00,844 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_95835223-3d91-4c70-972d-6580fe04946a/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4496,4509] [2022-12-14 06:27:00,849 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_95835223-3d91-4c70-972d-6580fe04946a/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4556,4569] [2022-12-14 06:27:01,428 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 06:27:01,466 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:01,476 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:01,481 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,481 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,481 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,482 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,483 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,487 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:01,493 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,493 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,494 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,495 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,593 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:27:01,593 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:27:01,594 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:27:01,597 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 06:27:01,598 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 06:27:01,599 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 06:27:01,695 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:01,786 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 06:27:01,787 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 06:27:01,787 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 06:27:01,788 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 06:27:01,789 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 06:27:01,789 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 06:27:01,790 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 06:27:01,790 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 06:27:01,791 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 06:27:01,791 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 06:27:01,791 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 06:27:01,898 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:01,900 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:01,900 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,901 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,917 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:01,930 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 06:27:01,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:27:01,953 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:27:01,962 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_95835223-3d91-4c70-972d-6580fe04946a/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4496,4509] [2022-12-14 06:27:01,962 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_95835223-3d91-4c70-972d-6580fe04946a/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness.i[4556,4569] [2022-12-14 06:27:01,983 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-12-14 06:27:01,987 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:01,991 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:01,994 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,994 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,994 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,994 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,995 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:01,997 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:02,000 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:02,000 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:02,001 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:02,001 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:02,006 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:27:02,006 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:27:02,007 WARN L623 FunctionHandler]: Unknown extern function htonl [2022-12-14 06:27:02,009 WARN L623 FunctionHandler]: Unknown extern function ntohl [2022-12-14 06:27:02,010 WARN L623 FunctionHandler]: Unknown extern function htons [2022-12-14 06:27:02,010 WARN L623 FunctionHandler]: Unknown extern function ntohs [2022-12-14 06:27:02,012 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:02,026 WARN L623 FunctionHandler]: Unknown extern function my_abort [2022-12-14 06:27:02,026 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-12-14 06:27:02,027 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-12-14 06:27:02,028 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-12-14 06:27:02,028 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-12-14 06:27:02,029 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-12-14 06:27:02,029 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-12-14 06:27:02,029 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-12-14 06:27:02,030 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-12-14 06:27:02,030 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-12-14 06:27:02,030 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-12-14 06:27:02,049 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:02,051 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:02,051 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:02,051 WARN L1576 CHandler]: Possible shadowing of function index [2022-12-14 06:27:02,056 WARN L623 FunctionHandler]: Unknown extern function my_memset [2022-12-14 06:27:02,078 WARN L623 FunctionHandler]: Unknown extern function fprintf [2022-12-14 06:27:02,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:27:02,286 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:27:02,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02 WrapperNode [2022-12-14 06:27:02,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:27:02,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:27:02,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:27:02,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:27:02,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (1/1) ... [2022-12-14 06:27:02,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (1/1) ... [2022-12-14 06:27:02,370 INFO L138 Inliner]: procedures = 689, calls = 1535, calls flagged for inlining = 55, calls inlined = 11, statements flattened = 718 [2022-12-14 06:27:02,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:27:02,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:27:02,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:27:02,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:27:02,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (1/1) ... [2022-12-14 06:27:02,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (1/1) ... [2022-12-14 06:27:02,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (1/1) ... [2022-12-14 06:27:02,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (1/1) ... [2022-12-14 06:27:02,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (1/1) ... [2022-12-14 06:27:02,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (1/1) ... [2022-12-14 06:27:02,410 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (1/1) ... [2022-12-14 06:27:02,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (1/1) ... [2022-12-14 06:27:02,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:27:02,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:27:02,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:27:02,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:27:02,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (1/1) ... [2022-12-14 06:27:02,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:27:02,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:27:02,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:27:02,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:27:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2022-12-14 06:27:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2022-12-14 06:27:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 06:27:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2022-12-14 06:27:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2022-12-14 06:27:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2022-12-14 06:27:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2022-12-14 06:27:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-12-14 06:27:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-12-14 06:27:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 06:27:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-12-14 06:27:02,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-12-14 06:27:02,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 06:27:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 06:27:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 06:27:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 06:27:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2022-12-14 06:27:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2022-12-14 06:27:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 06:27:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:27:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:27:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-12-14 06:27:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-12-14 06:27:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2022-12-14 06:27:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2022-12-14 06:27:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2022-12-14 06:27:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2022-12-14 06:27:02,469 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2022-12-14 06:27:02,469 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2022-12-14 06:27:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2022-12-14 06:27:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2022-12-14 06:27:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 06:27:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 06:27:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 06:27:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 06:27:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 06:27:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-12-14 06:27:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-12-14 06:27:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2022-12-14 06:27:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2022-12-14 06:27:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 06:27:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2022-12-14 06:27:02,470 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2022-12-14 06:27:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2022-12-14 06:27:02,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2022-12-14 06:27:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 06:27:02,690 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:27:02,692 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:27:03,342 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:27:03,482 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:27:03,483 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 06:27:03,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:27:03 BoogieIcfgContainer [2022-12-14 06:27:03,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:27:03,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:27:03,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:27:03,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:27:03,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:27:00" (1/3) ... [2022-12-14 06:27:03,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284f374d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:27:03, skipping insertion in model container [2022-12-14 06:27:03,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:27:02" (2/3) ... [2022-12-14 06:27:03,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@284f374d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:27:03, skipping insertion in model container [2022-12-14 06:27:03,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:27:03" (3/3) ... [2022-12-14 06:27:03,492 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness.i [2022-12-14 06:27:03,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:27:03,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 06:27:03,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:27:03,546 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;@f5b8921, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:27:03,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 06:27:03,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 88 states have internal predecessors, (106), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2022-12-14 06:27:03,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 06:27:03,559 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:03,559 INFO L195 NwaCegarLoop]: trace histogram [7, 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] [2022-12-14 06:27:03,560 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:27:03,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:03,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1228492728, now seen corresponding path program 1 times [2022-12-14 06:27:03,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:03,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224484716] [2022-12-14 06:27:03,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:03,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-12-14 06:27:04,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:04,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224484716] [2022-12-14 06:27:04,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224484716] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:04,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:04,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:27:04,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397136455] [2022-12-14 06:27:04,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:04,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:27:04,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:04,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:27:04,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:27:04,230 INFO L87 Difference]: Start difference. First operand has 156 states, 88 states have (on average 1.2045454545454546) internal successors, (106), 88 states have internal predecessors, (106), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 06:27:04,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:04,725 INFO L93 Difference]: Finished difference Result 282 states and 389 transitions. [2022-12-14 06:27:04,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:27:04,728 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 93 [2022-12-14 06:27:04,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:04,735 INFO L225 Difference]: With dead ends: 282 [2022-12-14 06:27:04,735 INFO L226 Difference]: Without dead ends: 154 [2022-12-14 06:27:04,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:27:04,740 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 31 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:04,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 623 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 06:27:04,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-12-14 06:27:04,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2022-12-14 06:27:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 86 states have (on average 1.1744186046511629) internal successors, (101), 87 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 17 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-12-14 06:27:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 200 transitions. [2022-12-14 06:27:04,779 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 200 transitions. Word has length 93 [2022-12-14 06:27:04,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:04,780 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 200 transitions. [2022-12-14 06:27:04,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 06:27:04,780 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2022-12-14 06:27:04,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 06:27:04,783 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:04,783 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 3, 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, 1, 1] [2022-12-14 06:27:04,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:27:04,783 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:27:04,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:04,784 INFO L85 PathProgramCache]: Analyzing trace with hash 498819034, now seen corresponding path program 1 times [2022-12-14 06:27:04,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:04,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374998324] [2022-12-14 06:27:04,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:04,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:05,235 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-12-14 06:27:05,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:05,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374998324] [2022-12-14 06:27:05,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374998324] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:27:05,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642703232] [2022-12-14 06:27:05,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:05,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:27:05,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:27:05,238 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:27:05,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 06:27:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:05,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 2382 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 06:27:05,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:27:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 06:27:05,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:27:05,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642703232] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:05,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 06:27:05,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-12-14 06:27:05,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682641830] [2022-12-14 06:27:05,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:05,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 06:27:05,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:05,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 06:27:05,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:27:05,742 INFO L87 Difference]: Start difference. First operand 154 states and 200 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-14 06:27:06,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:06,368 INFO L93 Difference]: Finished difference Result 289 states and 384 transitions. [2022-12-14 06:27:06,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 06:27:06,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 101 [2022-12-14 06:27:06,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:06,372 INFO L225 Difference]: With dead ends: 289 [2022-12-14 06:27:06,372 INFO L226 Difference]: Without dead ends: 156 [2022-12-14 06:27:06,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-12-14 06:27:06,375 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 48 mSDsluCounter, 733 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:06,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 898 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-12-14 06:27:06,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-14 06:27:06,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-12-14 06:27:06,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.1724137931034482) internal successors, (102), 89 states have internal predecessors, (102), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (55), 49 states have call predecessors, (55), 49 states have call successors, (55) [2022-12-14 06:27:06,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 207 transitions. [2022-12-14 06:27:06,399 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 207 transitions. Word has length 101 [2022-12-14 06:27:06,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:06,400 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 207 transitions. [2022-12-14 06:27:06,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 4 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-14 06:27:06,400 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 207 transitions. [2022-12-14 06:27:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 06:27:06,404 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:06,404 INFO L195 NwaCegarLoop]: trace histogram [7, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:06,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 06:27:06,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:27:06,605 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:27:06,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:06,606 INFO L85 PathProgramCache]: Analyzing trace with hash -352569357, now seen corresponding path program 1 times [2022-12-14 06:27:06,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:06,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259692159] [2022-12-14 06:27:06,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:06,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:06,676 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:27:06,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1364985113] [2022-12-14 06:27:06,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:06,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:27:06,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:27:06,678 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:27:06,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 06:27:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:07,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 2514 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 06:27:07,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:27:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-12-14 06:27:07,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:27:07,174 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:07,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259692159] [2022-12-14 06:27:07,174 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:27:07,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364985113] [2022-12-14 06:27:07,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364985113] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:07,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:07,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 06:27:07,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807221561] [2022-12-14 06:27:07,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:07,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 06:27:07,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:07,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 06:27:07,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 06:27:07,177 INFO L87 Difference]: Start difference. First operand 156 states and 207 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-12-14 06:27:07,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:07,456 INFO L93 Difference]: Finished difference Result 283 states and 377 transitions. [2022-12-14 06:27:07,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 06:27:07,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 110 [2022-12-14 06:27:07,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:07,459 INFO L225 Difference]: With dead ends: 283 [2022-12-14 06:27:07,459 INFO L226 Difference]: Without dead ends: 156 [2022-12-14 06:27:07,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:27:07,461 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 41 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:07,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 761 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 06:27:07,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-14 06:27:07,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-12-14 06:27:07,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.160919540229885) internal successors, (101), 89 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (55), 49 states have call predecessors, (55), 49 states have call successors, (55) [2022-12-14 06:27:07,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 206 transitions. [2022-12-14 06:27:07,478 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 206 transitions. Word has length 110 [2022-12-14 06:27:07,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:07,478 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 206 transitions. [2022-12-14 06:27:07,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2022-12-14 06:27:07,479 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 206 transitions. [2022-12-14 06:27:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-14 06:27:07,481 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:07,481 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:07,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 06:27:07,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:27:07,682 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:27:07,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:07,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1197749905, now seen corresponding path program 1 times [2022-12-14 06:27:07,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:07,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926174438] [2022-12-14 06:27:07,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:07,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:07,765 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:27:07,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [84300738] [2022-12-14 06:27:07,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:07,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:27:07,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:27:07,767 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:27:07,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 06:27:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:08,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 2568 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 06:27:08,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:27:08,253 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-12-14 06:27:08,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:27:08,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:08,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926174438] [2022-12-14 06:27:08,253 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:27:08,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84300738] [2022-12-14 06:27:08,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84300738] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:08,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:08,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:27:08,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539436163] [2022-12-14 06:27:08,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:08,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 06:27:08,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:08,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 06:27:08,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:27:08,256 INFO L87 Difference]: Start difference. First operand 156 states and 206 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-12-14 06:27:08,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:08,717 INFO L93 Difference]: Finished difference Result 288 states and 382 transitions. [2022-12-14 06:27:08,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 06:27:08,718 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 118 [2022-12-14 06:27:08,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:08,719 INFO L225 Difference]: With dead ends: 288 [2022-12-14 06:27:08,719 INFO L226 Difference]: Without dead ends: 156 [2022-12-14 06:27:08,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:27:08,720 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 55 mSDsluCounter, 860 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:08,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1022 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 06:27:08,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-14 06:27:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-12-14 06:27:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.160919540229885) internal successors, (101), 89 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (54), 49 states have call predecessors, (54), 49 states have call successors, (54) [2022-12-14 06:27:08,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 205 transitions. [2022-12-14 06:27:08,729 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 205 transitions. Word has length 118 [2022-12-14 06:27:08,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:08,729 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 205 transitions. [2022-12-14 06:27:08,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2022-12-14 06:27:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 205 transitions. [2022-12-14 06:27:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-14 06:27:08,731 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:08,731 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:08,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 06:27:08,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:27:08,932 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:27:08,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:08,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2079056202, now seen corresponding path program 2 times [2022-12-14 06:27:08,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:08,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067394307] [2022-12-14 06:27:08,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:08,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:09,034 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:27:09,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1845245896] [2022-12-14 06:27:09,034 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 06:27:09,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:27:09,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:27:09,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:27:09,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 06:27:09,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-14 06:27:09,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 06:27:09,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1881 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 06:27:09,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:27:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-12-14 06:27:09,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:27:09,768 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:09,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067394307] [2022-12-14 06:27:09,768 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:27:09,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845245896] [2022-12-14 06:27:09,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845245896] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:09,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:09,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 06:27:09,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944435231] [2022-12-14 06:27:09,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:09,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 06:27:09,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:09,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 06:27:09,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:27:09,770 INFO L87 Difference]: Start difference. First operand 156 states and 205 transitions. Second operand has 5 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 06:27:10,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:10,100 INFO L93 Difference]: Finished difference Result 262 states and 348 transitions. [2022-12-14 06:27:10,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:27:10,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 127 [2022-12-14 06:27:10,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:10,101 INFO L225 Difference]: With dead ends: 262 [2022-12-14 06:27:10,101 INFO L226 Difference]: Without dead ends: 156 [2022-12-14 06:27:10,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 06:27:10,102 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:10,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 666 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-14 06:27:10,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-12-14 06:27:10,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-12-14 06:27:10,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 87 states have (on average 1.160919540229885) internal successors, (101), 89 states have internal predecessors, (101), 50 states have call successors, (50), 17 states have call predecessors, (50), 18 states have return successors, (53), 49 states have call predecessors, (53), 49 states have call successors, (53) [2022-12-14 06:27:10,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 204 transitions. [2022-12-14 06:27:10,112 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 204 transitions. Word has length 127 [2022-12-14 06:27:10,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:10,113 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 204 transitions. [2022-12-14 06:27:10,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 06:27:10,113 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 204 transitions. [2022-12-14 06:27:10,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-14 06:27:10,114 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:10,114 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:10,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 06:27:10,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:27:10,316 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:27:10,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:10,316 INFO L85 PathProgramCache]: Analyzing trace with hash -346090507, now seen corresponding path program 3 times [2022-12-14 06:27:10,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:10,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925041482] [2022-12-14 06:27:10,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:10,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:10,394 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:27:10,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [118991574] [2022-12-14 06:27:10,394 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-14 06:27:10,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:27:10,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:27:10,395 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:27:10,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 06:27:10,883 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-14 06:27:10,884 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 06:27:10,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 2832 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 06:27:10,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:27:10,965 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-14 06:27:10,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:27:10,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:10,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925041482] [2022-12-14 06:27:10,965 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:27:10,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118991574] [2022-12-14 06:27:10,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118991574] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:27:10,966 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:27:10,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-14 06:27:10,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646251352] [2022-12-14 06:27:10,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:27:10,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-14 06:27:10,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 06:27:10,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-14 06:27:10,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-14 06:27:10,968 INFO L87 Difference]: Start difference. First operand 156 states and 204 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 06:27:11,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:27:11,358 INFO L93 Difference]: Finished difference Result 271 states and 358 transitions. [2022-12-14 06:27:11,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 06:27:11,359 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 136 [2022-12-14 06:27:11,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:27:11,360 INFO L225 Difference]: With dead ends: 271 [2022-12-14 06:27:11,360 INFO L226 Difference]: Without dead ends: 166 [2022-12-14 06:27:11,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-12-14 06:27:11,362 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 39 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-12-14 06:27:11,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 1042 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-12-14 06:27:11,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-12-14 06:27:11,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-12-14 06:27:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 91 states have (on average 1.1538461538461537) internal successors, (105), 93 states have internal predecessors, (105), 55 states have call successors, (55), 18 states have call predecessors, (55), 19 states have return successors, (58), 54 states have call predecessors, (58), 54 states have call successors, (58) [2022-12-14 06:27:11,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 218 transitions. [2022-12-14 06:27:11,375 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 218 transitions. Word has length 136 [2022-12-14 06:27:11,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:27:11,376 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 218 transitions. [2022-12-14 06:27:11,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (23), 3 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-14 06:27:11,376 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 218 transitions. [2022-12-14 06:27:11,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-14 06:27:11,378 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:27:11,378 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 06:27:11,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 06:27:11,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:27:11,580 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:27:11,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:27:11,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1008200430, now seen corresponding path program 1 times [2022-12-14 06:27:11,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:27:11,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293569889] [2022-12-14 06:27:11,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:11,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:27:11,677 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 06:27:11,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [612370834] [2022-12-14 06:27:11,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:27:11,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:27:11,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:27:11,678 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:27:11,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95835223-3d91-4c70-972d-6580fe04946a/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 06:27:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:27:12,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 2964 conjuncts, 91 conjunts are in the unsatisfiable core [2022-12-14 06:27:12,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:27:13,042 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 06:27:13,042 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 13 [2022-12-14 06:27:13,051 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 06:27:13,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 20 [2022-12-14 06:27:13,057 INFO L321 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-12-14 06:27:13,057 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 16 [2022-12-14 06:27:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 82 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-14 06:27:13,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:27:15,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 06:27:15,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293569889] [2022-12-14 06:27:15,754 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 06:27:15,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612370834] [2022-12-14 06:27:15,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612370834] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 06:27:15,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [903786455] [2022-12-14 06:27:15,771 INFO L159 IcfgInterpreter]: Started Sifa with 79 locations of interest [2022-12-14 06:27:15,772 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 06:27:15,775 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 06:27:15,780 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 06:27:15,780 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 06:27:18,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:18,455 INFO L217 Elim1Store]: Index analysis took 314 ms [2022-12-14 06:27:29,769 WARN L233 SmtUtils]: Spent 11.27s on a formula simplification. DAG size of input: 1758 DAG size of output: 1169 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-14 06:27:29,772 INFO L321 Elim1Store]: treesize reduction 1958, result has 47.2 percent of original size [2022-12-14 06:27:29,775 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 196 select indices, 196 select index equivalence classes, 19112 disjoint index pairs (out of 19110 index pairs), introduced 196 new quantified variables, introduced 195 case distinctions, treesize of input 987 treesize of output 2346 [2022-12-14 06:27:32,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:27:32,388 INFO L217 Elim1Store]: Index analysis took 482 ms [2022-12-14 06:27:49,829 WARN L233 SmtUtils]: Spent 17.39s 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 06:27:49,832 INFO L321 Elim1Store]: treesize reduction 3510, result has 33.3 percent of original size [2022-12-14 06:27:49,834 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 06:29:12,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:12,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 06:29:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:12,794 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 43 [2022-12-14 06:29:12,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:12,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:12,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2022-12-14 06:29:12,810 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 06:29:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,629 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 06:29:15,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:15,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 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 06:29:16,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:16,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 06:29:16,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:16,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:16,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:16,867 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 06:29:17,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:17,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:17,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:17,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:17,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:17,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:17,377 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 06:29:24,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,698 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 06:29:24,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:24,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 57 select indices, 57 select index equivalence classes, 1055 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 588 treesize of output 260 [2022-12-14 06:29:25,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 197 select indices, 197 select index equivalence classes, 19307 disjoint index pairs (out of 19306 index pairs), introduced 197 new quantified variables, introduced 0 case distinctions, treesize of input 986 treesize of output 592 [2022-12-14 06:29:25,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:25,800 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 06:29:26,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:29:26,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 198 select indices, 198 select index equivalence classes, 19503 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 06:29:41,532 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 06:29:41,696 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 06:29:41,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 06:29:41,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 06:29:42,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 06:29:42,115 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 06:29:56,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 06:29:56,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 06:29:56,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 06:29:56,455 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-14 06:29:56,508 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-12-14 06:29:56,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2022-12-14 06:29:59,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-12-14 06:29:59,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2171 treesize of output 2161 [2022-12-14 06:29:59,624 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2175 treesize of output 2154 [2022-12-14 06:30:00,529 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 06:30:12,539 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 06:30:12,545 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 06:30:12,567 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 06:30:12,570 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 06:30:12,595 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 06:30:12,600 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 06:30:12,604 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 06:30:12,609 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 06:30:12,659 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:12,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 06:30:12,669 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 06:30:12,676 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 06:30:12,722 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:12,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 38 [2022-12-14 06:30:12,731 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 06:30:12,739 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 06:30:12,832 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 06:30:12,904 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 27 treesize of output 23 [2022-12-14 06:30:12,907 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 23 treesize of output 19 [2022-12-14 06:30:12,971 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 27 treesize of output 23 [2022-12-14 06:30:12,974 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 23 treesize of output 19 [2022-12-14 06:30:14,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 06:30:15,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-12-14 06:30:15,572 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-12-14 06:30:30,710 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2167 treesize of output 2139 [2022-12-14 06:30:30,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2135 treesize of output 2111 [2022-12-14 06:30:31,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 2119 treesize of output 2091 [2022-12-14 06:30:33,779 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 06:30:33,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-12-14 06:30:33,806 INFO L321 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-12-14 06:30:33,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-12-14 06:30:33,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,880 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:33,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 06:30:33,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,895 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:30:33,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,896 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:30:33,906 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:33,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 29 [2022-12-14 06:30:33,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,931 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:33,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 06:30:33,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:33,998 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:33,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 06:30:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,015 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:34,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 06:30:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,034 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:30:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,036 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 06:30:34,046 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:34,047 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 29 [2022-12-14 06:30:34,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,187 INFO L321 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2022-12-14 06:30:34,188 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 196 treesize of output 199 [2022-12-14 06:30:34,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,248 INFO L321 Elim1Store]: treesize reduction 92, result has 17.1 percent of original size [2022-12-14 06:30:34,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 206 treesize of output 213 [2022-12-14 06:30:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,394 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:34,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 06:30:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,426 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:34,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2022-12-14 06:30:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,456 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:34,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 06:30:34,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,551 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:34,552 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 06:30:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,575 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:34,576 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 10 [2022-12-14 06:30:34,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:30:34,608 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:30:34,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 17 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 55 treesize of output 13 [2022-12-14 06:30:34,839 INFO L321 Elim1Store]: treesize reduction 120, result has 23.6 percent of original size [2022-12-14 06:30:34,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 294 treesize of output 311 [2022-12-14 06:30:34,872 INFO L321 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-12-14 06:30:34,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 289 treesize of output 292 [2022-12-14 06:30:34,975 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 06:30:34,979 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 06:30:35,073 INFO L321 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-12-14 06:30:35,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 06:30:35,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2022-12-14 06:30:35,278 INFO L321 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-12-14 06:30:35,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 28 [2022-12-14 06:30:35,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2022-12-14 06:31:28,057 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_length with input of size 103 for LOIs [2022-12-14 06:31:28,547 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 9 treesize of output 3 [2022-12-14 06:31:28,683 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 9 treesize of output 3 [2022-12-14 06:31:29,492 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 43 for LOIs [2022-12-14 06:31:29,505 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_bounded with input of size 2895 for LOIs [2022-12-14 06:31:43,153 INFO L197 IcfgInterpreter]: Interpreting procedure save_byte_from_array with input of size 220 for LOIs [2022-12-14 06:31:43,371 INFO L197 IcfgInterpreter]: Interpreting procedure aws_priority_queue_is_valid with input of size 693 for LOIs [2022-12-14 06:31:47,644 INFO L197 IcfgInterpreter]: Interpreting procedure aws_array_list_is_valid with input of size 50 for LOIs [2022-12-14 06:31:47,663 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 06:31:47,670 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 06:31:47,710 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 06:31:47,718 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 06:31:47,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:47,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:47,731 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:31:47,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 06:31:47,772 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 06:31:47,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:47,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 06:31:47,784 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-14 06:31:47,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 10 [2022-12-14 06:31:47,790 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 06:31:47,926 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-12-14 06:31:47,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 170 treesize of output 191 [2022-12-14 06:31:48,569 INFO L197 IcfgInterpreter]: Interpreting procedure aws_mul_size_checked with input of size 98 for LOIs [2022-12-14 06:31:48,900 INFO L197 IcfgInterpreter]: Interpreting procedure __CPROVER_overflow_mult with input of size 84 for LOIs [2022-12-14 06:31:48,926 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_array_list_has_allocated_data_member with input of size 2963 for LOIs [2022-12-14 06:33:08,941 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 06:33:08,946 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 06:33:08,950 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 06:33:08,954 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 06:33:30,272 INFO L197 IcfgInterpreter]: Interpreting procedure can_fail_allocator with input of size 45 for LOIs [2022-12-14 06:33:30,274 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 123 for LOIs [2022-12-14 06:33:30,469 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 43 for LOIs [2022-12-14 06:33:30,472 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 06:35:08,868 WARN L233 SmtUtils]: Spent 1.62m on a formula simplification. DAG size of input: 2825 DAG size of output: 2437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:37:51,973 WARN L233 SmtUtils]: Spent 2.69m on a formula simplification. DAG size of input: 2895 DAG size of output: 2452 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 06:41:26,791 WARN L233 SmtUtils]: Spent 3.55m on a formula simplification. DAG size of input: 2936 DAG size of output: 2494 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)