./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 03:31:04,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:31:04,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:31:04,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:31:04,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:31:04,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:31:04,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:31:04,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:31:04,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:31:04,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:31:04,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:31:04,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:31:04,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:31:04,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:31:04,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:31:04,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:31:04,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:31:04,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:31:04,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:31:04,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:31:04,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:31:04,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:31:04,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:31:04,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:31:04,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:31:04,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:31:04,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:31:04,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:31:04,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:31:04,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:31:04,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:31:04,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:31:04,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:31:04,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:31:04,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:31:04,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:31:04,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:31:04,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:31:04,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:31:04,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:31:04,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:31:04,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:31:04,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:31:04,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:31:04,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:31:04,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:31:04,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:31:04,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:31:04,600 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:31:04,600 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:31:04,601 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:31:04,601 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:31:04,602 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:31:04,602 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:31:04,602 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:31:04,603 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:31:04,603 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:31:04,603 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:31:04,603 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:31:04,603 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:31:04,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:31:04,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:31:04,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:31:04,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:31:04,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:31:04,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:31:04,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:31:04,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:31:04,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:31:04,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:31:04,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:31:04,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:31:04,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:31:04,608 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:31:04,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:31:04,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:31:04,608 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:31:04,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:31:04,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:31:04,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:31:04,609 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_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d [2022-11-03 03:31:04,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:31:04,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:31:04,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:31:04,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:31:04,995 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:31:04,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2022-11-03 03:31:05,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/data/fd918b783/63dbb949f8ff42fb8a56ac28f8e9f9e8/FLAG3224299ae [2022-11-03 03:31:05,892 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:31:05,893 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2022-11-03 03:31:05,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/data/fd918b783/63dbb949f8ff42fb8a56ac28f8e9f9e8/FLAG3224299ae [2022-11-03 03:31:06,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/data/fd918b783/63dbb949f8ff42fb8a56ac28f8e9f9e8 [2022-11-03 03:31:06,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:31:06,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:31:06,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:31:06,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:31:06,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:31:06,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:31:06" (1/1) ... [2022-11-03 03:31:06,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b32156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:06, skipping insertion in model container [2022-11-03 03:31:06,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:31:06" (1/1) ... [2022-11-03 03:31:06,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:31:06,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:31:06,849 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2022-11-03 03:31:06,857 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2022-11-03 03:31:07,844 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:07,845 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:07,845 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:07,846 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:07,848 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:07,862 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:07,863 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:07,865 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:07,865 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:08,313 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:31:08,315 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:31:08,316 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:31:08,317 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:31:08,318 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:31:08,319 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:31:08,320 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:31:08,320 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:31:08,321 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:31:08,322 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:31:08,571 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:31:08,742 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:08,744 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:08,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:31:08,965 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:31:08,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4492,4505] [2022-11-03 03:31:08,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i[4552,4565] [2022-11-03 03:31:09,044 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:09,044 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:09,045 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:09,046 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:09,046 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:09,056 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:09,056 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:09,057 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:09,057 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:09,104 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-11-03 03:31:09,104 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-11-03 03:31:09,105 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-11-03 03:31:09,106 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-11-03 03:31:09,107 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-11-03 03:31:09,108 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-11-03 03:31:09,108 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-11-03 03:31:09,109 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-11-03 03:31:09,109 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-11-03 03:31:09,109 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-11-03 03:31:09,132 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-11-03 03:31:09,218 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:09,218 WARN L1543 CHandler]: Possible shadowing of function index [2022-11-03 03:31:09,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:31:09,461 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:31:09,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09 WrapperNode [2022-11-03 03:31:09,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:31:09,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:31:09,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:31:09,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:31:09,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (1/1) ... [2022-11-03 03:31:09,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (1/1) ... [2022-11-03 03:31:09,691 INFO L138 Inliner]: procedures = 693, calls = 2780, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 822 [2022-11-03 03:31:09,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:31:09,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:31:09,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:31:09,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:31:09,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (1/1) ... [2022-11-03 03:31:09,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (1/1) ... [2022-11-03 03:31:09,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (1/1) ... [2022-11-03 03:31:09,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (1/1) ... [2022-11-03 03:31:09,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (1/1) ... [2022-11-03 03:31:09,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (1/1) ... [2022-11-03 03:31:09,786 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (1/1) ... [2022-11-03 03:31:09,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (1/1) ... [2022-11-03 03:31:09,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:31:09,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:31:09,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:31:09,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:31:09,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (1/1) ... [2022-11-03 03:31:09,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:31:09,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:09,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:31:09,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:31:09,908 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2022-11-03 03:31:09,909 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2022-11-03 03:31:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_compare [2022-11-03 03:31:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_compare [2022-11-03 03:31:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2022-11-03 03:31:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2022-11-03 03:31:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 03:31:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-11-03 03:31:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-11-03 03:31:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:31:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-03 03:31:09,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-03 03:31:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:31:09,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:31:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:31:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:31:09,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:31:09,914 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-11-03 03:31:09,915 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-11-03 03:31:09,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:31:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2022-11-03 03:31:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2022-11-03 03:31:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 03:31:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 03:31:09,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:31:09,917 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-11-03 03:31:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-11-03 03:31:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-11-03 03:31:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-11-03 03:31:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:31:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:31:10,263 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:31:10,266 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:31:11,731 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:31:11,941 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:31:11,941 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 03:31:11,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:31:11 BoogieIcfgContainer [2022-11-03 03:31:11,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:31:11,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:31:11,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:31:11,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:31:11,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:31:06" (1/3) ... [2022-11-03 03:31:11,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fadea51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:31:11, skipping insertion in model container [2022-11-03 03:31:11,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:31:09" (2/3) ... [2022-11-03 03:31:11,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fadea51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:31:11, skipping insertion in model container [2022-11-03 03:31:11,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:31:11" (3/3) ... [2022-11-03 03:31:11,957 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness.i [2022-11-03 03:31:11,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:31:11,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:31:12,060 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:31:12,067 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;@50d9b5b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:31:12,068 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:31:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 57 states have internal predecessors, (71), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2022-11-03 03:31:12,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-03 03:31:12,086 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:12,087 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-03 03:31:12,087 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:12,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:12,093 INFO L85 PathProgramCache]: Analyzing trace with hash 503850300, now seen corresponding path program 1 times [2022-11-03 03:31:12,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:12,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102263884] [2022-11-03 03:31:12,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:12,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 03:31:13,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:13,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102263884] [2022-11-03 03:31:13,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102263884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:13,292 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:13,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:31:13,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036246788] [2022-11-03 03:31:13,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:13,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:31:13,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:13,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:31:13,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:31:13,350 INFO L87 Difference]: Start difference. First operand has 101 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 57 states have internal predecessors, (71), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 03:31:13,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:13,616 INFO L93 Difference]: Finished difference Result 162 states and 228 transitions. [2022-11-03 03:31:13,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:31:13,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 41 [2022-11-03 03:31:13,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:13,640 INFO L225 Difference]: With dead ends: 162 [2022-11-03 03:31:13,640 INFO L226 Difference]: Without dead ends: 116 [2022-11-03 03:31:13,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:31:13,653 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 9 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:13,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 364 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:31:13,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-03 03:31:13,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 113. [2022-11-03 03:31:13,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 64 states have (on average 1.234375) internal successors, (79), 65 states have internal predecessors, (79), 38 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-11-03 03:31:13,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 154 transitions. [2022-11-03 03:31:13,734 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 154 transitions. Word has length 41 [2022-11-03 03:31:13,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:13,735 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 154 transitions. [2022-11-03 03:31:13,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-03 03:31:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 154 transitions. [2022-11-03 03:31:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-03 03:31:13,738 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:13,739 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-03 03:31:13,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:31:13,739 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:13,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:13,740 INFO L85 PathProgramCache]: Analyzing trace with hash -483925148, now seen corresponding path program 1 times [2022-11-03 03:31:13,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:13,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666256673] [2022-11-03 03:31:13,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:13,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:14,219 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 03:31:14,219 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:14,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666256673] [2022-11-03 03:31:14,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666256673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:14,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:14,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:31:14,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616373093] [2022-11-03 03:31:14,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:14,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 03:31:14,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:14,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 03:31:14,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:31:14,223 INFO L87 Difference]: Start difference. First operand 113 states and 154 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 03:31:14,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:14,404 INFO L93 Difference]: Finished difference Result 135 states and 181 transitions. [2022-11-03 03:31:14,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 03:31:14,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 45 [2022-11-03 03:31:14,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:14,409 INFO L225 Difference]: With dead ends: 135 [2022-11-03 03:31:14,409 INFO L226 Difference]: Without dead ends: 119 [2022-11-03 03:31:14,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 03:31:14,411 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:14,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:31:14,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-11-03 03:31:14,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-11-03 03:31:14,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 69 states have (on average 1.2173913043478262) internal successors, (84), 69 states have internal predecessors, (84), 38 states have call successors, (38), 10 states have call predecessors, (38), 11 states have return successors, (39), 39 states have call predecessors, (39), 37 states have call successors, (39) [2022-11-03 03:31:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 161 transitions. [2022-11-03 03:31:14,437 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 161 transitions. Word has length 45 [2022-11-03 03:31:14,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:14,438 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 161 transitions. [2022-11-03 03:31:14,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-03 03:31:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 161 transitions. [2022-11-03 03:31:14,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-03 03:31:14,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:14,441 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-03 03:31:14,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:31:14,441 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:14,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:14,442 INFO L85 PathProgramCache]: Analyzing trace with hash 71909681, now seen corresponding path program 1 times [2022-11-03 03:31:14,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:14,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428390735] [2022-11-03 03:31:14,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:14,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 03:31:15,373 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:15,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428390735] [2022-11-03 03:31:15,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428390735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:15,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:15,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:31:15,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878235189] [2022-11-03 03:31:15,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:15,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:31:15,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:15,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:31:15,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:31:15,380 INFO L87 Difference]: Start difference. First operand 119 states and 161 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-03 03:31:15,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:15,645 INFO L93 Difference]: Finished difference Result 143 states and 189 transitions. [2022-11-03 03:31:15,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:31:15,646 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 46 [2022-11-03 03:31:15,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:15,650 INFO L225 Difference]: With dead ends: 143 [2022-11-03 03:31:15,651 INFO L226 Difference]: Without dead ends: 126 [2022-11-03 03:31:15,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:31:15,654 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 17 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:15,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 597 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:31:15,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-11-03 03:31:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2022-11-03 03:31:15,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 71 states have (on average 1.2112676056338028) internal successors, (86), 72 states have internal predecessors, (86), 40 states have call successors, (40), 10 states have call predecessors, (40), 11 states have return successors, (40), 40 states have call predecessors, (40), 38 states have call successors, (40) [2022-11-03 03:31:15,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 166 transitions. [2022-11-03 03:31:15,672 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 166 transitions. Word has length 46 [2022-11-03 03:31:15,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:15,673 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 166 transitions. [2022-11-03 03:31:15,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 4 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-11-03 03:31:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 166 transitions. [2022-11-03 03:31:15,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 03:31:15,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:15,687 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 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] [2022-11-03 03:31:15,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:31:15,688 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:15,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:15,688 INFO L85 PathProgramCache]: Analyzing trace with hash 404379916, now seen corresponding path program 1 times [2022-11-03 03:31:15,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:15,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394953292] [2022-11-03 03:31:15,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:15,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:16,337 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-03 03:31:16,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:16,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394953292] [2022-11-03 03:31:16,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394953292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:31:16,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:31:16,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:31:16,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726449544] [2022-11-03 03:31:16,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:31:16,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:31:16,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:31:16,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:31:16,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:31:16,343 INFO L87 Difference]: Start difference. First operand 123 states and 166 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-03 03:31:16,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:31:16,615 INFO L93 Difference]: Finished difference Result 179 states and 236 transitions. [2022-11-03 03:31:16,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:31:16,616 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 62 [2022-11-03 03:31:16,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:31:16,619 INFO L225 Difference]: With dead ends: 179 [2022-11-03 03:31:16,619 INFO L226 Difference]: Without dead ends: 139 [2022-11-03 03:31:16,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:31:16,620 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 28 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 605 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:31:16,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 605 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-03 03:31:16,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-11-03 03:31:16,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 134. [2022-11-03 03:31:16,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 79 states have (on average 1.2151898734177216) internal successors, (96), 80 states have internal predecessors, (96), 41 states have call successors, (41), 11 states have call predecessors, (41), 13 states have return successors, (42), 42 states have call predecessors, (42), 40 states have call successors, (42) [2022-11-03 03:31:16,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 179 transitions. [2022-11-03 03:31:16,632 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 179 transitions. Word has length 62 [2022-11-03 03:31:16,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:31:16,633 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 179 transitions. [2022-11-03 03:31:16,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 4 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-11-03 03:31:16,633 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 179 transitions. [2022-11-03 03:31:16,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 03:31:16,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:31:16,635 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:31:16,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:31:16,635 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:31:16,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:31:16,636 INFO L85 PathProgramCache]: Analyzing trace with hash 714050021, now seen corresponding path program 1 times [2022-11-03 03:31:16,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:31:16,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345351056] [2022-11-03 03:31:16,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:16,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:31:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 03:31:18,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:31:18,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345351056] [2022-11-03 03:31:18,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345351056] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 03:31:18,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588374683] [2022-11-03 03:31:18,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:31:18,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 03:31:18,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:31:18,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 03:31:18,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c18d358-5041-4a0f-a6e6-4ce25a1db3be/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 03:31:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:31:19,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 2558 conjuncts, 77 conjunts are in the unsatisfiable core [2022-11-03 03:31:19,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:31:19,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 60 [2022-11-03 03:31:19,815 INFO L356 Elim1Store]: treesize reduction 15, result has 53.1 percent of original size [2022-11-03 03:31:19,815 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 124 [2022-11-03 03:31:19,911 INFO L356 Elim1Store]: treesize reduction 104, result has 1.0 percent of original size [2022-11-03 03:31:19,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 4 new quantified variables, introduced 5 case distinctions, treesize of input 174 treesize of output 91 [2022-11-03 03:31:22,153 INFO L356 Elim1Store]: treesize reduction 93, result has 7.9 percent of original size [2022-11-03 03:31:22,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 188 treesize of output 113 [2022-11-03 03:31:22,343 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-03 03:31:22,343 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 03:31:26,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 52 treesize of output 48 [2022-11-03 03:31:26,102 INFO L356 Elim1Store]: treesize reduction 14, result has 76.7 percent of original size [2022-11-03 03:31:26,102 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 120 [2022-11-03 03:31:26,423 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 03:31:26,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 306 treesize of output 316 [2022-11-03 03:31:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-03 03:31:27,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588374683] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 03:31:27,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [963116573] [2022-11-03 03:31:27,420 INFO L159 IcfgInterpreter]: Started Sifa with 56 locations of interest [2022-11-03 03:31:27,420 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 03:31:27,425 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 03:31:27,431 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 03:31:27,431 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 03:31:31,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:31,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:31,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:31,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:31,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:31,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-11-03 03:31:32,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:32,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:32,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:32,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:32,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:32,508 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 1746 treesize of output 1374 [2022-11-03 03:31:34,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:34,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:31:35,247 INFO L244 Elim1Store]: Index analysis took 814 ms [2022-11-03 03:31:35,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 309 select indices, 309 select index equivalence classes, 33694 disjoint index pairs (out of 47586 index pairs), introduced 309 new quantified variables, introduced 0 case distinctions, treesize of input 2781 treesize of output 3693 [2022-11-03 03:31:38,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,306 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 [2022-11-03 03:32:44,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,419 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2022-11-03 03:32:44,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-03 03:32:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,504 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-03 03:32:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 03:32:44,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 17 [2022-11-03 03:32:47,201 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:32:58,425 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 03:33:21,410 INFO L197 IcfgInterpreter]: Interpreting procedure ensure_string_is_allocated_bounded_length with input of size 3319 for LOIs [2022-11-03 03:35:10,615 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_bool with input of size 3358 for LOIs [2022-11-03 03:35:26,016 INFO L197 IcfgInterpreter]: Interpreting procedure nondet_uint64_t with input of size 3304 for LOIs [2022-11-03 03:35:30,464 INFO L197 IcfgInterpreter]: Interpreting procedure bounded_malloc with input of size 3320 for LOIs [2022-11-03 03:36:16,796 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3388 for LOIs [2022-11-03 03:36:54,258 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 03:38:17,643 WARN L234 SmtUtils]: Spent 1.34m on a formula simplification that was a NOOP. DAG size: 3296 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:41:21,295 WARN L234 SmtUtils]: Spent 2.86m on a formula simplification. DAG size of input: 3311 DAG size of output: 3305 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 03:44:13,627 WARN L234 SmtUtils]: Spent 2.82m on a formula simplification. DAG size of input: 3308 DAG size of output: 3302 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)